Product Description
Factory Price Gas Turbine Bearings Cylindrical Roller Bearing Nu207 Nu209 Nu211 E/M/Etn1
Product Description
Cylindrical Roller bearing is 1 of the rolling bearings, which is widely used in modern machinery.It relies on rolling contact between the main components to support the rotating parts.Roller bearings are now mostly standardized.Roller bearing has the advantages of small torque required for starting, high rotation accuracy and convenient selection.
Product name | Cylindrical roller bearing |
Material | Bearing Steel |
Standard | DIN GB ISO JIS |
Bearing Package | Barreled, bagged, boxed, palletized or as customers’ requirement. |
Service | OEM service provided |
Delivery time | 3-10 days depends on quantity needed |
Characteristics:
Less friction and low noise, durable.
Ability to carry heavy loads
Less coefficient of friction.
High limiting speed.
Variations of structure:N,NU,NJ,NF,NUP,NFP,NH,NN,NNU,NNF,FC,FCD.
Physical Characteristics:
Cylindrical roller bearing can be separated by single row,double rows, and 4 rows.
This kind of bearing can be submitted to high radial load and some axial load.
The rolling element of a cylindrical roller bearing is cylinder, the 2 ends of the external lines have the corrective slope which can eliminate the contact stress.
NN and NNU design cylindrical roller bearing have high rigid and apply to machines such as milling
diameter (mm) | Bearing Designation | Boundary Dimensions (mm) | Basic Load Ratings (N) | Limiting Speeds (rpm) | Weight (Kg) | ||||||
Current Designation | d | D | B | rsmin | r1smin | Cr Dynamic | Cor Static | Grease | Oil | ||
16 | SZ-4101 | 16 | 44 | 8.3 | 15700 | 18000 | 0. 0571 1 | ||||
17 | N203 | 17 | 40 | 12 | 0.6 | 0.3 | 11400 | 9100 | 16000 | 19000 | 0.07800 |
NJ203 | 17 | 40 | 12 | 0.7 | 0.3 | 11400 | 9100 | 16000 | 19000 | 0.06900 | |
NJ203ETN1 | 17 | 40 | 12 | 0.6 | 0.6 | 16900 | 13800 | 16000 | 19000 | 0. 0571 8 | |
NU203 | 17 | 40 | 12 | 0.6 | 0.3 | 11400 | 9100 | 16000 | 19000 | 0.07000 | |
NU203ETN1 | 17 | 40 | 12 | 0.6 | 0.3 | 16900 | 13800 | 16000 | 19000 | 0.06654 | |
NJ2203E | 17 | 40 | 16 | 0.6 | 0.3 | 22800 | 20300 | 13800 | 16400 | 0.09200 | |
20 | N204 | 20 | 47 | 14 | 1 | 0.6 | 15800 | 13100 | 13800 | 16400 | 0.13300 |
NF204 | 20 | 47 | 14 | 1 | 0.6 | 15800 | 13100 | 13800 | 16400 | 0.11000 | |
NJ204 | 20 | 47 | 14 | 1.1 | 0.7 | 17000 | 14400 | 13800 | 16400 | 0.14000 | |
NU204 | 20 | 47 | 14 | 1 | 0.6 | 15800 | 13100 | 13800 | 16400 | 0.13500 | |
NU204/C3 | 20 | 47 | 14 | 1 | 0.6 | 14400 | 13100 | 13800 | 16400 | 0.10670 | |
N304 | 20 | 52 | 15 | 1.1 | 0.6 | 21800 | 17700 | 11400 | 13800 | 0.14470 | |
NJ304 | 20 | 52 | 15 | 1.1 | 0.6 | 21800 | 17700 | 11400 | 13800 | 0.15750 | |
NU304 | 20 | 52 | 15 | 1.1 | 0.6 | 21800 | 17700 | 11400 | 13800 | 0.15190 | |
NUP304ETN1 | 20 | 52 | 15 | 1.1 | 0.6 | 31500 | 26800 | 10600 | 13100 | 0.15582 | |
NJ2304ETN1 | 20 | 52 | 21 | 1.1 | 0.6 | 42000 | 38700 | 10000 | 13000 | 0.21267 |
Our Advantages
1. World-Class Bearing:
We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings:
Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality:
The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance:
The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery:
The company provides just-in-time delivery with its streamlined supply chain.
SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1. MOQ: 10 PCS standard bearings.
2. MOQ: 1000 PCS customized your brand bearings.
OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.
FAQ
1.What is the minimum order quantity for this product?
Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.
2.What is your latest delivery time?
Most orders will be shipped within 3-10 days of payment being received.
3.Does your company have quality assurance?
Yes, for 2 years.
4.What is the competitiveness of your company’s products compared to other companies?
High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.
Please feel free to contact us, if you have any other question
/* May 10, 2571 16:49:51 */!function(){function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.
editor by lmc 2024-11-13
China Hot selling Ball Bearing Dac38700037 51720-25000 51720-29100 51720-29150 51720-29400 Gh038021 Bahb636193c Front Wheel Bearing manufacturer
Product Description
Name: | Ball Bearing Dac387/02/03 5474 0571 5 165711 95719332 94535254 09267-39 4689923 09267-39 |
39 | 74 | 39 | 39 | 2RS | 0.65 | BAHB636096A BAH-S |
ABS | 0.68 | BAH-0043C | Ford | ||||
DAC39740036/34 | 51720-2D000 51720-2D100 |
39 | 74 | 36 | 34 | E | 0.60 | 395418 FW40 |
Hyundai,Kia | |||||||
E | 0.60 | |||||||||||||||
2RS | 0.59 | |||||||||||||||
39.1 | 74.02 | 36 | 34 | E | 0.60 | |||||||||||
DAC39/41750037 | 803 407 625A 893 407 625 8D0 407 625A |
39/41 | 75 | 37 | 37 | 4RS | 0.62 | BAHB633815A FW167 |
GB12399S01 | Audi,Passit |
ZheJiang Huaxu Bearing Co.,Ltd
Our factory specialize wheel hub bearing, wheel bearing kit, clutch bearing, taper roller bearing, truck bearing, wheel hub bearing in high quality.
Our bearings have large loading capacity and long lifetime, and widely fit in different vehicles.
And we can produce bearings which can meet your multifarious demands.
For example, wheel bearing, taper roller bearing, clutch release bearing, ball bearing, truck bearing ect.
We have strict quality contral and make sure every bearing is top grade.
Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibilities when defective products were found:
1.12 months warranty from the first day of receiving goods;
2. Replacements would be sent with goods of your next order;
3. Refund for defective products if customers require.
Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we also customize OEM box and packing as your requirements.
Q:What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.
Q:How long is the lead time?
A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.
Q:Do you offer free samples?
A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight. We DO NOT offer free samples to end users.
Q:How to place order?
A: 1. Email us the model, brand and quantity,shipping way of bearings and we will quote our best price for you;
2. Proforma Invoice made and sent to you as the price agreed by both parts;
3. Deposit Payment after confirming the PI and we arrange production;
4. Balance paid before shipment or after copy of Bill of Loading.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
After-sales Service: | Wheel Bearing Full Service |
---|---|
Warranty: | 50000-100000 Km |
Type: | Wheel Hub Bearing |
Material: | Chrome Steel/Gcr-15 |
Tolerance: | ABEC-3/P6 |
Certification: | ISO9001, TS16949 |
Samples: |
US$ 0/Set
1 Set(Min.Order) | |
---|
Customization: |
Available
| Customized Request |
---|
Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
editor by CX 2024-05-16
China high quality Manufacturer Direct Supply Deep Groove Ball Bearing 64 Serises 6411 6412 Zz 2RS for Machinery Industries with Hot selling
Product Description
PRODUCT PICTURES
OUR SERVICES
We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.
BEARING:
— Dimensions
— Material
— Tolerance standard
APPEARANCE:
— Logo (Laser Marking)
— Package Design
40+ YEARS EXPERIENCE
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.
We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining. All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.
OWN HEAT TREATMENT
CONTROALLABLE COST AND QUALITY.
Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time.
We have 6 heat treatment production lines.
Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
OUTSTXIHU (WEST LAKE) DIS. QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.
All our products are characterized by low noise, low friction and long life. This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.
Our products fully meets the requirements of national and international standards accorind to the testing result of
roughness, roundness, hardness, vibration noise, vibration velocity.
PACKING
PACKAGING THAT HELPS SELL.
1, Inner package
Corrosion and Dust Proof PE plastic film / bag packing + Tube packing, or Wrapping tape for larger bearings.
2, Corrugated Individual Box
Our attractive sales-helpful “3-JOYS” package, or as the design of your package.
3, Outer package
Corrugated carton + Wooden pallet
MODERN WELL-ORGANIZED WAREHOUSE
· Constant temperature (20°C) and humidity (RH 52%) warehouse
· Hundreds of models on hand, short delivery time.
HONOR & SYSTEM CERTIFICATES
EXHIBITION
SAMPLES POLICY
FREE SAMPLES AND SHIPPING
We are happy to send you free samples of our bearings for field testing. All transportation costs will be paid by us.
Please note: Depending on the model and value of samples, this policy may not apply!
Please contact our sales staff for details.
TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK
PAYMENT TERMS
To facilitate your payment, we offer a variety of options!
FAQ
1, About the lead time.
This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20′ GP container load:
If the model your Preferred is | Sufficient stock | Lead Time |
Regular models | YES | Within 7 days |
Regular models | NO | Within 30 days |
Non-regular model | NO | About 50 days |
For accurate estimate, please contact with our sale stuff. Thanks.
2, Minimum order quantity.
Even just ONE piece of bearing is ok for us.
3, If you don’t know which model is the right choice…
We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.
4, Factory Inspection
We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking CZPT employees. Ask our sales stuff and she/he will arrange that for you.
OPTIONS OF SPECIFICATION AND STHangZhouRD
Subject | Symbol | Description |
Sealing & Sealing type | Z | Metal shield on 1 side. |
ZZ | Metal shields on both sides. | |
RS | Rubber seal on 1 side. | |
2RS | Rubber seals on both sides. | |
ZNR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the opposite side of the shield | |
2ZNR | Shield on both sides, snap ring groove in the outer ring, with snap ring | |
ZNBR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the same side as the shield | |
Vibration Velocity | V | Normal vibration level. Is not indicated as a standard. |
V1 | Lower vibration level than normal. | |
V2 | Lower vibration level than V1. | |
V3 | Lower vibration level than V2. | |
V4 | Lower vibration level than V3. | |
Tolerances | P0(ABEC1) | Bearings in standard tolerance |
P6(ABEC3) | Tighter tolerance than standard bearings | |
P5(ABEC5) | Tolerance tighter than P6 | |
P4(ABEC7) | Tolerance tighter than P5 | |
P2(ABEC9) | Tolerance tighter than P4 | |
Radial internal clearance | C1 | Smaller clearance than C2 |
C2 | Smaller clearance than CN | |
CN(C0) | Clearance than normal | |
C3 | Clearance larger than CN | |
C4 | Clearance larger than C3 | |
C5 | Clearance larger than C4 | |
Snap Ring Groove | N | Snap ring groove in the outer ring |
NR | Snap ring groove in the outer ring, with snap ring | |
N1 | One locating slot in 1 outer ring side face | |
R | Flanged outer ring | |
Other technical modifications | NR | Groove with inserted snap ring in outer ring. |
N | Snap ring groove in the outer ring. | |
SS | Stainless steel. |
Cage Materials | J | Pressed steel cages |
M | Solid brass cage | |
F | Solid cage made from steel or iron | |
Y | Pressed brass cages. | |
T | Laminated phenolic cages. | |
TN | Polyamide cages | |
TH | Glass-fiber reinforced phenolic resin cages. | |
TV | Polyamide cage | |
Cage Designs | P | Window-type cage |
H | Claw-type cage | |
A | Cage guided on the bearing outer ring | |
B | Cage-guided on the bearing inner ring | |
S | Cage with lubricating slots in the guiding surfaces | |
D | Carbonitriding cage | |
W | Welded cage | |
R | Riveted Cage | |
Cage Types | N/A | Claw-type cage |
Ribbon cage | ||
Crown cage | ||
Sunflower cage | ||
Tapered cage |
PRODUCT PARAMETERS
This tech sheet may not contain all or every piece of information you want to know. Please contact our sales staff to obtain or compare the information.
Designation | Boundary Dimension (mm) | Limiting Speed (rpm) | Load Rating (Kn) | Weight | ||||
Designation | Inner Diameter (d) |
Outside Diameter (D) |
Width (B) |
Grease Lubrication | Oil Lubrication | Dynamic Load (cr) |
Static Load (cor) |
Weight (kg) |
6403 | 17 | 62 | 17 | 11000 | 15000 | 22.7 | 10.8 | 0.27 |
6404 | 20 | 72 | 19 | 9500 | 13000 | 31 | 15.2 | 0.4 |
6405 | 25 | 80 | 21 | 9100 | 11000 | 36.1 | 19.4 | 0.53 |
6406 | 30 | 90 | 23 | 8100 | 9700 | 43.4 | 23.9 | 0.735 |
6407 | 35 | 100 | 25 | 7200 | 8600 | 55.0 | 31.0 | 0.952 |
6408 | 40 | 110 | 27 | 6300 | 8000 | 65.5 | 37.5 | 1.221 |
6409 | 45 | 120 | 29 | 5600 | 7000 | 77.5 | 45.5 | 1.52 |
6410 | 50 | 130 | 31 | 5300 | 6300 | 922 | 55.2 | 1.855 |
6411 | 55 | 140 | 33 | 4800 | 6000 | 100 | 62.5 | 2.316 |
6412 | 60 | 150 | 35 | 4500 | 5600 | 109 | 70 | 2.811 |
6413 | 65 | 160 | 37 | 4300 | 5300 | 118 | 78.5 | 3.342 |
6414 | 70 | 180 | 42 | 3800 | 4500 | 140 | 99.5 | 4.896 |
6415 | 75 | 190 | 45 | 3600 | 4300 | 154 | 115 | 5.739 |
6416 | 80 | 200 | 48 | 3400 | 4000 | 163 | 125 | 6.752 |
6417 | 85 | 210 | 52 | 3200 | 3800 | 175 | 138 | 7.933 |
6418 | 90 | 225 | 54 | 2800 | 3600 | 192 | 158 | 9.56 |
6420 | 100 | 250 | 58 | 2400 | 3200 | 223 | 195 | 12.9 |
6422 | 110 | 280 | 65 | 2000 | 2800 | 225 | 238 | 18.3 |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Material Option 2: | Stainless Steel |
---|---|
MOQ: | One Pallet |
Seals Options: | Z / 2z, Rz / 2rz, RS / 2RS, Rsz / Rzz, Zn / Znr |
Lubrication: | Grease or Oil |
Tolerance: | P0 (ABEC1)/ P6 (ABEC3) / P5 (ABEC5) |
Clearance: | C1/C2/C0/C3/C4/C5 |
Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
---|
Customization: |
Available
| Customized Request |
---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.
editor by CX 2024-05-15
China manufacturer Double Row Angular Contact Ball Bearing 4024D 4028d 4030d 4032D Precision Bearing Supplier double row ball bearing
Product Description
Product Description
4040D Angular Contact Ball Bearing Specifications
Bearing Type 25 deg contact angle
Bore Dia (d) 120.000 mm
Outer Dia (D) 180.000 mm
Radius (min) (rs) 0.60 mm
Dynamic Load Rating (Cr) 6,300 N
Static Load Rating (Cor) 3,700 N
Max Speed (Grease) 53,000 rpm
Max Speed (Oil) 80,000 rpm
Width (B) 60.000 mm
Radius (min) (rs1) 0.15 mm
Shaft (Fw) 0.15 mm
Material 52100 Chrome steel (or equivalent)
Angular contact ball bearings are nonseparable bearings with a defined contact angle in the radial direction relative to the straight line that runs through the point where each ball makes contact with the inner and outer rings. In addition to radial loads, angular contact ball bearings can accommodate single direction axial loads. Since an axial load is generated from a radial force, these bearings are generally used in pairs. Typically ideal for machine tools, feed screw mechanisms, ball screw support units, etc.
Applications
Because they can bear heavy loads, angular contact bearings are used for heavy machinery and agricultural equipment. These bearings help run pumps, electric motors, gearboxes, steel mills, windmills, conveyors, and other high-speed applications.
Single Row Angular Contact Ball Bearing
Bearing type | Boundary Dimensions(mm) | Load Rating (kn) |
Speed Rating(ipm) | Weight | |||||
New Model | Old Model | d | D | B | Dymamic Cr | Static Cor | Grease lubrication |
Oil lubrication |
Weight (kg) |
7000AC | 46100 | 10 | 26 | 8 | 5 | 2.35 | 34000 | 42000 | 0.571 |
7001AC | 46101 | 12 | 28 | 8 | 5.4 | 2.75 | 29000 | 37000 | 0.571 |
7002AC | 46102 | 15 | 32 | 9 | 6.1 | 3.45 | 26000 | 32000 | 0.035 |
7003AC | 46103 | 17 | 35 | 10 | 6.75 | 4.15 | 23000 | 28000 | 0.045 |
7004AC | 46104 | 20 | 42 | 12 | 10.3 | 6.1 | 19000 | 24000 | 0.079 |
7005AC | 46105 | 25 | 47 | 12 | 11.3 | 7.4 | 17000 | 21000 | 0.091 |
7006AC | 46106 | 30 | 55 | 13 | 14.5 | 10.1 | 14000 | 18000 | 0.133 |
7007AC | 46107 | 35 | 62 | 14 | 17.5 | 12.6 | 12000 | 15000 | 0.17 |
7008AC | 46108 | 40 | 68 | 15 | 18.7 | 14.6 | 11000 | 14000 | 0.21 |
7009AC | 46109 | 45 | 75 | 16 | 22.2 | 17.7 | 10000 | 12000 | 0.26 |
7571AC | 46110 | 50 | 80 | 16 | 23.6 | 20.1 | 9200 | 11000 | 0.29 |
7011AC | 46111 | 55 | 90 | 18 | 31.1 | 26.3 | 8300 | 10000 | 0.42 |
7012AC | 46112 | 60 | 95 | 18 | 31.9 | 28.1 | 7700 | 9700 | 0.45 |
7013AC | 46113 | 65 | 100 | 18 | 33.7 | 31.4 | 7200 | 9000 | 0.47 |
7014AC | 46114 | 70 | 110 | 20 | 42.7 | 39.4 | 8300 | 0.66 | |
7015AC | 46115 | 75 | 115 | 20 | 43.6 | 41.7 | 6300 | 7800 | 0.69 |
7016AC | 46116 | 80 | 125 | 22 | 53.4 | 50.6 | 5800 | 7200 | 0.93 |
7017AC | 46117 | 85 | 130 | 22 | 54.6 | 53.7 | 5500 | 6800 | 0.97 |
7018AC | 46118 | 90 | 140 | 24 | 65.2 | 63.3 | 5100 | 6400 | 1.26 |
7019AC | 46119 | 95 | 145 | 24 | 66.6 | 67.1 | 4800 | 6000 | 1.32 |
7571AC | 46120 | 100 | 150 | 24 | 68.4 | 70.6 | 4700 | 5900 | 1.37 |
7571AC | 46121 | 105 | 160 | 26 | 79.8 | 81.9 | 4400 | 5500 | 1.73 |
7571AC | 46122 | 110 | 170 | 28 | 91.9 | 92.8 | 4200 | 5200 | 2.14 |
7571AC | 46124 | 120 | 180 | 28 | 96.6 | 103 | 3900 | 4900 | 2.27 |
7026AC | 46126 | 130 | 200 | 33 | 117 | 125 | 3500 | 4400 | 3.43 |
7571AC | 46128 | 140 | 210 | 33 | 120 | 133 | 3300 | 4100 | 3.64 |
7030AC | 46130 | 150 | 225 | 35 | 137 | 154 | 3000 | 3800 | 4.43 |
7032AC | 46132 | 160 | 240 | 38 | 5.02 | ||||
7034AC | 46134 | 170 | 260 | 42 | 186 | 214 | 2600 | 3200 | 7.56 |
7038AC | 46138 | 190 | 290 | 46 | 217 | 268 | 2300 | 2800 | 10.8 |
7040AC | 46140 | 200 | 310 | 51 | 244 | 309 | 2100 | 2600 | 12.7 |
Bearing type | Boundary Dimensions(mm) | Load Rating (kn) |
Speed Rating(ipm) | Weight | |||||
New Model | Old Model | d | D | B | Dymamic Cr | Static Cor | Grease lubrication |
Oil lubrication |
Weight (kg) |
7200AC | 46200 | 10 | 30 | 9 | 4.65 | 2.2 | 29000 | 37000 | 0.031 |
7201AC | 46201 | 12 | 32 | 10 | 7.45 | 3.65 | 27000 | 34000 | 0.038 |
7202AC | 46202 | 15 | 35 | 11 | 8.1 | 4.25 | 24000 | 29000 | 0.048 |
7203AC | 46203 | 17 | 40 | 12 | 10.2 | 5.5 | 21000 | 26000 | 0.07 |
7204AC | 46204 | 20 | 47 | 14 | 14.5 | 8.4 | 17000 | 22000 | 0.112 |
7205AC | 46205 | 25 | 52 | 15 | 15.3 | 9.5 | 15000 | 19000 | 0.135 |
7206AC | 46206 | 30 | 62 | 16 | 21.3 | 13.7 | 13000 | 16000 | 0.208 |
7207AC | 46207 | 35 | 72 | 17 | 28.1 | 18.6 | 11000 | 14000 | 0.295 |
7208AC | 46208 | 40 | 80 | 18 | 33.6 | 23.3 | 10000 | 12000 | 0.382 |
7209AC | 46209 | 45 | 85 | 19 | 37.7 | 26.6 | 9400 | 12000 | 0.43 |
7210AC | 46210 | 50 | 90 | 20 | 39.4 | 41.3 | 8500 | 11000 | 0.485 |
7211AC | 46211 | 55 | 700 | 21 | 48.7 | 37.1 | 7600 | 9500 | 0.635 |
7212AC | 46212 | 60 | 110 | 22 | 58.9 | 45.7 | 6900 | 8600 | 0.82 |
7213AC | 46213 | 65 | 120 | 23 | 67.3 | 54.2 | 6400 | 8000 | 1.02 |
7214AC | 46214 | 70 | 125 | 24 | 69.8 | 55.6 | 6100 | 7600 | 1.12 |
7215AC | 46215 | 75 | 130 | 25 | 79.2 | 65.2 | 5800 | 7200 | 1.23 |
7216AC | 46216 | 80 | 140 | 26 | 85.3 | 71.5 | 5400 | 6700 | 1.5 |
7217AC | 46217 | 85 | 150 | 28 | 98.6 | 83.6 | 5000 | 6300 | 1.87 |
7218AC | 46218 | 90 | 760 | 30 | 113 | 96.7 | 4700 | 5900 | 2.3 |
7219AC | 46219 | 95 | 770 | 32 | 122 | 103 | 4400 | 5500 | 2.78 |
7220AC | 46220 | 100 | 180 | 34 | 137 | 117 | 4100 | 5200 | 3.32 |
7221AC | 46221 | 105 | 190 | 36 | 149 | 132 | 3900 | 4900 | 3.95 |
7222AC | 46222 | 110 | 200 | 38 | 162 | 148 | 3700 | 4600 | 4.65 |
7224AC | 46224 | 130 | 215 | 40 | 174 | 166 | 3400 | 4300 | 5.49 |
7226AC | 46226 | 130 | 230 | 40 | 196 | 198 | 3200 | 4000 | 6.21 |
7228AC | 46228 | 140 | 250 | 42 | 218 | 234 | 2900 | 3600 | 7.76 |
7232AC | 46232 | 160 | 290 | 48 | 230 | 263 | 2500 | 3100 | 12.1 |
7234AC | 46234 | 170 | 370 | 52 | 272 | 331 | 2300 | 2800 | 15.1 |
7236AC | 46236 | 180 | 320 | 52 | 293 | 362 | 2200 | 2700 | 15.7 |
7240AC | 46240 | 200 | 360 | 58 | 324 | 432 | 1900 | 2400 | 22.4 |
7244AC | 46244 | 220 | 400 | 65 | 358 | 482 | 1100 | 1600 | 38.5 |
Bearing type | Boundary Dimensions(mm) | Load Rating | Speed Rating(ipm) | Weight | |||||
(kn) | |||||||||
New Model | Old Model | d | D | B | Dymamic Cr | Static Cor | Grease | Oil | Weight |
lubrication | lubrication | (kg) | |||||||
7300AC | 46300 | 10 | 35 | 11 | 8.5 | 3.75 | 27000 | 33000 | 0.054 |
7301AC | 46301 | 12 | 37 | 12 | 10.2 | 4.6 | 24000 | 31000 | 0.065 |
7302AC | 46302 | 15 | 42 | 13 | 12.5 | 6.45 | 20000 | 25000 | 0.088 |
7303AC | 46303 | 17 | 47 | 14 | 14.9 | 7.9 | 18000 | 23000 | 0.12 |
7304AC | 46304 | 20 | 52 | 15 | 17.4 | 9.4 | 17000 | 21000 | 0.15 |
7305AC | 46305 | 25 | 62 | 17 | 24.8 | 14.4 | 14000 | 17000 | 0.243 |
7306AC | 46306 | 30 | 72 | 19 | 30.1 | 18.9 | 12000 | 14000 | 0.362 |
7307AC | 46307 | 35 | 80 | 21 | 35.4 | 22 | 10000 | 13000 | 0.475 |
7308AC | 46308 | 40 | 90 | 23 | 43.2 | 27.4 | 9200 | 12000 | 0.657 |
7309AC | 46309 | 45 | 100 | 25 | 55.1 | 37.1 | 8200 | 10000 | 0.875 |
7310AC | 46310 | 50 | 170 | 27 | 70.1 | 48.7 | 7300 | 9100 | 1.14 |
7311AC | 46311 | 55 | 120 | 29 | 80.9 | 56.5 | 6700 | 8400 | 1.45 |
7312AC | 46312 | 60 | 130 | 31 | 92.5 | 65.6 | 6200 | 7700 | 1.81 |
7313AC | 46313 | 65 | 140 | 33 | 105 | 75.3 | 5800 | 7200 | 2.22 |
7314AC | 46314 | 70 | 150 | 35 | 118 | 85.8 | 5400 | 6700 | 2.7 |
7315AC | 46315 | 75 | 160 | 37 | 128 | 97 | 5000 | 6300 | 3.15 |
7316AC | 46316 | 80 | 170 | 39 | 139 | 109 | 4700 | 5900 | 3.85 |
7317AC | 46317 | 85 | 180 | 41 | 150 | 122 | 4400 | 5500 | 4.53 |
7318AC | 46318 | 90 | 190 | 43 | 161 | 135 | 4200 | 5200 | 5 |
7319AC | 46319 | 95 | 200 | 45 | 172 | 149 | 4000 | 4900 | 6.12 |
7320AC | 46320 | 100 | 215 | 47 | 184 | 161 | 3600 | 4600 | 7.53 |
7321AC | 46321 | 105 | 225 | 49 | 208 | 193 | 3500 | 4400 | 8.62 |
7322AC | 46322 | 110 | 240 | 50 | 232 | 226 | 3200 | 4000 | 10.7 |
7324AC | 46324 | 120 | 260 | 55 | 246 | 252 | 3000 | 3700 | 12.6 |
7326AC | 46326 | 130 | 280 | 58 | 301 | 329 | 2700 | 3400 | 15.4 |
7328AC | 46328 | 140 | 300 | 62 | 329 | 374 | 2500 | 3200 | 18.8 |
7330AC | 46330 | 150 | 320 | 65 | 348 | 414 | 2300 | 2900 | 22.4 |
7332AC | 46332 | 160 | 340 | 68 | 365 | 455 | 2200 | 2700 | 26.4 |
7334AC | 46334 | 170 | 360 | 72 | 389 | 485 | 2000 | 2500 | 31.2 |
7336AC | 46336 | 180 | 380 | 75 | 409 | 534 | 1900 | 2400 | 40 |
7338AC | 46338 | 190 | 400 | 78 | 450 | 598 | 1800 | 2200 | 45.5 |
7340AC | 46340 | 200 | 420 | 80 | 474 | 658 | 1700 | 2100 | 52 |
7406AC | 46406 | 30 | 90 | 23 | 0.960 | ||||
7407AC | 46407 | 35 | 100 | 25 | 1.140 | ||||
7408AC | 46408 | 40 | 110 | 27 | 1.400 | ||||
7409AC | 46409 | 45 | 120 | 29 | 1.800 | ||||
7410AC | 46410 | 50 | 130 | 31 | 2.250 | ||||
7411AC | 46411 | 55 | 140 | 33 | 2.750 | ||||
7412AC | 46412 | 60 | 150 | 35 | 3.400 | ||||
7413AC | 46413 | 65 | 160 | 37 | 4.200 | ||||
7414AC | 46414 | 70 | 180 | 42 | 5.800 | ||||
7415AC | 46415 | 75 | 190 | 45 | 7.000 | ||||
7416AC | 46416 | 80 | 200 | 48 | 8.000 |
Bearing type | Boundary Dimensions(mm) | Load Rating (kn) |
Speed Rating(ipm) | Weight | |||||
New Model | Old Model | d | D | B | Dymamic Cr | Static Cor | Grease lubrication |
Oil lubrication |
Weight (kg) |
7204BTN | 66204 | 20 | 47 | 14 | 14.5 | 8.4 | 17000 | 22000 | 0.112 |
7205BTN | 66205 | 25 | 52 | 15 | 15.3 | 9.5 | 15000 | 19000 | 0.135 |
7206BTN | 66206 | 30 | 62 | 16 | 21.3 | 13.7 | 13000 | 16000 | 0.208 |
7207BTN | 66207 | 35 | 72 | 17 | 28.1 | 18.9 | 11000 | 14000 | 0.295 |
7208BTN | 66208 | 40 | 80 | 18 | 33.6 | 23.3 | 10000 | 12000 | 0.382 |
7209BTN | 66209 | 45 | 85 | 19 | 37.7 | 27 | 9400 | 12000 | 0.43 |
7210BTN | 66210 | 50 | 90 | 20 | 39.4 | 41.3 | 8500 | 11000 | 0.485 |
7211BTN | 66211 | 55 | 100 | 21 | 48.7 | 37.1 | 7600 | 9500 | 0.635 |
7212BTN | 66212 | 60 | 110 | 22 | 58.9 | 45.7 | 6900 | 8600 | 0.82 |
7213BTN | 66213 | 65 | 120 | 23 | 67.3 | 54.2 | 6400 | 8000 | 1.02 |
7214BTN | 66214 | 70 | 125 | 24 | 69.8 | 55.6 | 6100 | 7600 | 1.12 |
7215BTN | 66215 | 75 | 130 | 25 | 79.2 | 65.2 | 5800 | 7200 | 1.23 |
7216BTN | 66216 | 80 | 140 | 36 | 85.3 | 71.5 | 5400 | 6700 | 1.5 |
7217BTN | 66217 | 85 | 150 | 28 | 98.6 | 83.6 | 5000 | 6300 | 1.87 |
7218BTN | 66218 | 90 | 160 | 30 | 113 | 96.7 | 4700 | 5900 | 2.3 |
7219BTN | 66219 | 95 | 170 | 32 | 122 | 103 | 4400 | 5500 | 2.78 |
7220BTN | 66220 | 100 | 180 | 34 | 137 | 117 | 4700 | 5200 | 3.32 |
7221BTN | 66221 | 105 | 190 | 36 | 149 | 132 | 3900 | 4900 | 3.95 |
7222BTN | 66222 | 110 | 200 | 38 | 162 | 148 | 3700 | 4600 | 4.65 |
7224BTN | 66224 | 120 | 215 | 40 | 174 | 166 | 3400 | 4300 | 5.49 |
7226BTN | 66226 | 130 | 230 | 40 | 196 | 198 | 3200 | 4000 | 6.21 |
7228BTN | 66228 | 140 | 250 | 42 | 218 | 234 | 2900 | 3600 | 7.76 |
Bearing type | Boundary Dimensions(mm) | Load Rating | Speed Rating(ipm) | Weight | |||||
(kn) | |||||||||
New Model | Old Model | d | D | B | Dymamic Cr | Static Cor | Grease | Oil | Weight |
lubrication | lubrication | (kg) | |||||||
7303BTN | 66303 | 17 | 47 | 14 | 14.9 | 7.9 | 18000 | 23000 | 0.12 |
7304BTN | 66304 | 20 | 52 | 15 | 17.4 | 9.4 | 17000 | 21000 | 0.15 |
7305BTN | 66305 | 25 | 62 | 17 | 24.8 | 14.4 | 14000 | 77000 | 0.243 |
7306BTN | 66306 | 30 | 72 | 19 | 30.1 | 19 | 12000 | 14000 | 0.362 |
7307BTN | 66307 | 35 | 80 | 21 | 35.4 | 22 | 10000 | 13000 | 0.475 |
7308BTN | 66308 | 40 | 90 | 23 | 43.2 | 27.4 | 9200 | 12000 | 0.657 |
7309BTN | 66309 | 45 | 100 | 25 | 55.1 | 37.1 | 8200 | 10000 | 0.875 |
7310BTN | 66310 | 50 | 110 | 27 | 70.1 | 48.1 | 7300 | 9100 | 1.14 |
7311BTN | 66311 | 55 | 120 | 29 | 80.9 | 56.5 | 6700 | 8400 | 1.45 |
7312BTN | 66312 | 60 | 130 | 31 | 92.5 | 65.6 | 6200 | 7700 | 1.81 |
7313BTN | 66313 | 65 | 140 | 33 | 105 | 75.3 | 5800 | 7200 | 2.22 |
7314BTN | 66314 | 70 | 150 | 35 | 118 | 85.8 | 5400 | 6700 | 2.7 |
7315BTN | 66315 | 75 | 160 | 37 | 128 | 97 | 5000 | 6300 | 3.15 |
7316BTN | 66316 | 80 | 170 | 39 | 139 | 109 | 4700 | 5900 | 3.85 |
7317BTN | 66317 | 85 | 180 | 41 | 150 | 122 | 4400 | 5500 | 4.53 |
7318BTN | 66318 | 90 | 190 | 43 | 161 | 135 | 4200 | 5200 | 5.3 |
7319BTN | 66319 | 95 | 200 | 45 | 172 | 149 | 4000 | 4900 | 6.12 |
7320BTN | 66320 | 100 | 215 | 47 | 184 | 161 | 3600 | 4600 | 7.53 |
7321BTN | 66321 | 105 | 225 | 49 | 208 | 193 | 3500 | 4400 | 8.62 |
7322BTN | 66322 | 110 | 240 | 50 | 232 | 226 | 3200 | 4000 | 10.1 |
7324BTN | 66324 | 120 | 260 | 55 | 246 | 252 | 3000 | 3700 | 12.6 |
Packaging & Shipping
Please contact us for more pictures of different packing.
Universal Packing |
Without any logo on bearings or packing. |
JDZ Packing |
With our brand JDZ on bearings and packing. |
Customized Packing |
Depends on buyer’s requirements. |
Original Brand Packing |
Bearing and packing are both original. Please contact us for pictures. |
QUALITY ASSURANCE
100% Quality inspection to ensure the bearings are with good quality before shipping.
Company Profile
ZheJiang CZPT Precision Bearing Co.,Ltd. was founded by ZheJiang Defa Bearing Co.,Ltd, factory is located in ZheJiang province, China.
We are a bearing manufacturer integrating the research, development and sales of bearings, with a floor area of 18,000 square meters and a plant area of 8,800 square meters. Equipped with modern production equipment and advanced detection instruments.
We can provide all types bearings and OEM service according to customers’ requirements.
Our products are widely used in the automobile, agricultural, textile production, mining, printing and packing industries, in addition to various applications at airports, in air-conditioning systems, conveying devices, ships ad so on. Our products are being exported to more than 50 countries and regions overseas including Singapore, Thailand, Iran, Turkey, Poland, Italy, England, France, Russia, Germany, the United States, Australia, Argentina, Brazil as well as other countries and regions all over the world.
We are a trusted and reliable bearing supplier, choose us to be your good partner!
Quality Inspection
Our Advantages
1. Professional production team with advanced production equipment and testing instruments.
2. Many years of export experience can provide customers with better service and problem-solving capabilities.
3. Customers all over the world enable us to better understand the market and provide customers with suitable bearings.
4. Sincerity, cooperation, mutual and provide good quality bearings for clients are the development idea of our company
5. Quick delivery, shipping goods on time. Save more time and cost for all customers.
FAQ
1. Q: Are you trading company or manufacturer ?
A: We have our own factory , our type is factory + trade.
2. Q: Could you accept OEM and customize?
A: Yes, we can customize products according to your sample or drawing.
3. Q: How long is your delivery time?
A: If stock, within 7 days to ship or based on your order quantity.
4. Q: Could you supply sample for free?
A: Yes, we can offer the sample for free,do you mind to buy a “ticket” for her?
More details, please contact with us. Thanks for your time!
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Contact Angle: | 25° |
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Aligning: | Non-Aligning Bearing |
Separated: | Unseparated |
Rows Number: | Single/Double |
Load Direction: | Radial Bearing |
Material: | Gcr15 Chrome Steel |
Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
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Customization: |
Available
| Customized Request |
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What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?
Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:
- Unusual Noise:
If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.
- Vibration:
Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.
- Increased Temperature:
Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.
- Irregular Movement:
If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.
- Reduced Performance:
If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.
- Visible Wear or Damage:
Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.
- Leakage or Contamination:
If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.
- Looseness or Excessive Play:
If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.
- Reduced Lifespan:
If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.
- Frequent Failures:
If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.
It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.
Are there any Industry Standards or Certifications that Ball Bearings should Meet?
Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:
- ISO Standards:
The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.
- ABEC (Annular Bearing Engineering Committee) Ratings:
ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.
- DIN Standards:
The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.
- JIS (Japanese Industrial Standards):
JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.
- ASTM (American Society for Testing and Materials) Standards:
ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.
- CE Marking:
CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.
- Industry-Specific Standards:
Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.
- Quality Management Systems:
Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.
When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-05-14
China manufacturer Active-Power Industries 60TM04u40al Deep Groove Ball Bearing 6314-2RS 607 Zz Miniature Bearing Deep Groove Ball Bearings China Manufacturers wheel bearing
Product Description
ACTIVE-POWER INDUSTRIES 60Tm04U40Al Deep Groove Ball Bearing 6314-2RS 607 Zz Miniature Bearing Deep Groove Ball Bearings China Manufacturers
Product Description
Deep groove ball bearings (GB/T 276-2003) The original list of radial ball bearings is the most widely used rolling bearing. It is characterized by small frictional resistance and high speed and can be used on parts that bear radial loads or joint loads that act simultaneously in radial and axial directions and can also be used on parts that bear axial loads, such as small-power motors, Automotive and tractor gearboxes, machine tool gearboxes, general machines, tools, etc.
Deep groove ball bearings are the most common type of rolling bearings:
The basic deep groove ball bearing consists of an outer ring, an inner ring, a set of steel balls, and a set of cages. There are 2 types of deep groove ball bearings: single-row and double-row. The structure of deep groove balls is also divided into 2 types: sealed and open. The open type means that the bearing does not have a sealed structure. seal. The material of the dust-proof sealing cover is stamped steel plate, which simply prevents dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent the grease in the bearing from overflowing.
The type code of single row deep groove ball bearing is 6, and the code name of double row deep groove ball bearing is 4. Its structure is simple, and easy to use, and it is the most commonly produced and widely used type of bearing.
According to the size of deep groove ball bearings, they can be divided into:
(1) Miniature bearings – bearings with a nominal outer diameter of 26mm or less;
(2) Small bearings – bearings with a nominal outer diameter ranging from 28 to 55mm;
(3) Small and medium-sized bearings – bearings with a nominal outer diameter ranging from 60-115mm;
(4) Medium and large bearings – bearings with a nominal outer diameter ranging from 120-190mm
(5) Large bearings – bearings with a nominal outer diameter ranging from 200-430mm;
(6) Extra-large bearings – bearings with a nominal outer diameter of 440mm or more.
Product Parameters
Product Name | Deep Groove Ball Bearing |
Material | Gcr15 |
Size | 5mm-500mm |
Precision Rating | P0 P6 P5 P4 P2 |
Clearance | C2 C0 C3 C4 C5 |
Seals Type | Z ZZ 2RS ZNR 2RS1 2RSH 2RSL 2RZ 2Z 2ZNR, Z ZZ 2RS ZNR 2RS1 2RSH 2RSL 2RZ 2Z 2ZNR |
CHROME STEEL* | Dimensions in mm unless otherwise specified | ||||||
Bore | O.D. | Width | Open Bearing | Shielded Bearing | Sealed Bearing | Basic Load Ratings | |
KN | |||||||
HNS | HNS | HNS | dynamic | static | |||
Reference | Reference | Reference | C | Co | |||
20 | 42 | 12 | 6004 | 6004ZZ | 6004-2RS | 7.22 | 4.46 |
47 | 14 | 6204 | 6204ZZ | 6204-2RS | 12.7 | 6.5 | |
52 | 15 | 6304 | 6304ZZ | 6304-2RS | 15.9 | 7.8 | |
25 | 47 | 12 | 6005 | 6005ZZ | 6005-2RS | 10.1 | 5.85 |
52 | 15 | 6205 | 6205ZZ | 6205-2RS | 14 | 7.8 | |
62 | 17 | 6305 | 6305ZZ | 6305-2RS | 22.5 | 11.6 | |
80 | 21 | 6405 | 6405ZZ | 6405-2RS | 36.1 | 19.4 | |
30 | 55 | 13 | 6006 | 6006ZZ | 6006-2RS | 10.2 | 6.91 |
62 | 16 | 6206 | 6206ZZ | 6206-2RS | 19.5 | 11.2 | |
72 | 19 | 6306 | 6306ZZ | 6306-2RS | 28.1 | 16 | |
90 | 23 | 6406 | 6406ZZ | 6406-2RS | 43.4 | 23.9 | |
35 | 62 | 14 | 6007 | 6007ZZ | 6007-2RS | 16 | 10.3 |
72 | 17 | 6207 | 6207ZZ | 6207-2RS | 25.5 | 15.3 | |
80 | 21 | 6307 | 6307ZZ | 6307-2RS | 33.2 | 19 | |
100 | 25 | 6407 | 6407ZZ | 6407-2RS | 55 | 31 | |
40 | 68 | 15 | 6008 | 6008ZZ | 6008-2RS | 13 | 11.5 |
80 | 18 | 6208 | 6208ZZ | 6208-2RS | 29.8 | 18 | |
90 | 23 | 6308 | 6308ZZ | 6308-2RS | 39.8 | 23.3 | |
110 | 27 | 6408 | 6408ZZ | 6408-2RS | 65.5 | 37.5 | |
45 | 75 | 16 | 6009 | 6009ZZ | 6009-2RS | 21 | 14.9 |
85 | 19 | 6209 | 6209ZZ | 6209-2RS | 32.2 | 21 | |
100 | 25 | 6309 | 6309ZZ | 6309-2RS | 51.1 | 30.5 | |
120 | 29 | 6409 | 6409ZZ | 6409-2RS | 77.5 | 45.5 | |
50 | 80 | 16 | 6571 | 6571ZZ | 6571-2RS | 22 | 16.2 |
90 | 20 | 6210 | 6210ZZ | 6210-2RS | 34 | 22.5 | |
110 | 27 | 6310 | 6310ZZ | 6310-2RS | 59.9 | 36.9 | |
130 | 31 | 6410 | 6410ZZ | 6410-2RS | 92.2 | 55.2 | |
55 | 90 | 18 | 6011 | 6011ZZ | 6011-2RS | 30.4 | 22 |
100 | 21 | 6211 | 6211ZZ | 6211-2RS | 43.3 | 28.1 | |
120 | 29 | 6311 | 6311ZZ | 6311-2RS | 71.5 | 44.6 | |
140 | 33 | 6411 | 6411ZZ | 6411-2RS | 100 | 62.5 | |
60 | 95 | 18 | 6012 | 6012ZZ | 6012-2RS | 30.7 | 22.7 |
110 | 22 | 6212 | 6212ZZ | 6212-2RS | 46.1 | 31.5 | |
130 | 31 | 6312 | 6312ZZ | 6312-2RS | 79.4 | 50.4 | |
150 | 35 | 6412 | 6412ZZ | 6412-2RS | 109 | 70 | |
65 | 100 | 18 | 6013 | 6013ZZ | 6013-2RS | 32.1 | 24.9 |
120 | 23 | 6213 | 6213ZZ | 6213-2RS | 54.2 | 39.3 | |
140 | 33 | 6313 | 6313ZZ | 6313-2RS | 89.5 | 59.7 | |
160 | 37 | 6413 | 6413ZZ | 6413-2RS | 118 | 78.5 | |
70 | 110 | 20 | 6014 | 6014ZZ | 6014-2RS | 38.6 | 30.6 |
125 | 24 | 6214 | 6214ZZ | 6214-2RS | 58.9 | 43.6 | |
150 | 35 | 6314 | 6314ZZ | 6314-2RS | 101 | 66 | |
180 | 42 | 6414 | 6414ZZ | 6414-2RS | 140 | 99.5 | |
75 | 115 | 20 | 6015 | 6015ZZ | 6015-2RS | 31 | 33.1 |
130 | 25 | 6215 | 6215ZZ | 6215-2RS | 64.3 | 47.5 | |
160 | 37 | 6315 | 6315ZZ | 6315-2RS | 111 | 74.2 | |
190 | 45 | 6415 | 6415ZZ | 6415-2RS | 154 | 115 | |
80 | 125 | 22 | 6016 | 6016ZZ | 6016-2RS | 47.5 | 39.8 |
140 | 26 | 6216 | 6216ZZ | 6216-2RS | 68.1 | 53.3 | |
170 | 39 | 6316 | 6316ZZ | 6316-2RS | 120 | 83.9 | |
200 | 48 | 6416 | 6416ZZ | 6416-2RS | 163 | 125 | |
85 | 130 | 22 | 6017 | 6017ZZ | 6017-2RS | 50.8 | 42.8 |
150 | 28 | 6217 | 6217ZZ | 6217-2RS | 83.2 | 64 | |
180 | 41 | 6317 | 6317ZZ | 6317-2RS | 132 | 96.5 | |
210 | 52 | 6417 | 6417ZZ | 6417-2RS | 175 | 138 | |
90 | 140 | 24 | 6018 | 6018ZZ | 6018-2RS | 58 | 49.8 |
160 | 30 | 6218 | 6218ZZ | 6218-2RS | 92.7 | 71.3 | |
190 | 43 | 6318 | 6318ZZ | 6318-2RS | 145 | 108 | |
225 | 54 | 6418 | 6418ZZ | 6418-2RS | 192 | 158 | |
95 | 145 | 24 | 6019 | 6019ZZ | 6019-2RS | 57.8 | 50 |
170 | 32 | 6219 | 6219ZZ | 6219-2RS | 105 | 79.1 | |
200 | 45 | 6319 | 6319ZZ | 6319-2RS | 157 | 122 | |
100 | 150 | 24 | 6571 | 6571ZZ | 6571-2RS | 64.5 | 56.2 |
180 | 34 | 6220 | 6220ZZ | 6220-2RS | 118 | 88.4 | |
215 | 47 | 6320 | 6320ZZ | 6320-2RS | 173 | 140 | |
105 | 160 | 26 | 6571 | 6571ZZ | 6571-2RS | 71.8 | 63.2 |
190 | 36 | 6221 | 6221ZZ | 6221-2RS | 126 | 98.8 | |
225 | 49 | 6321 | 6321ZZ | 6321-2RS | 173 | 145 | |
110 | 170 | 28 | 6571 | 6571ZZ | 6571-2RS | 81.9 | 72.9 |
200 | 38 | 6222 | 6222ZZ | 6222-2RS | 136 | 112 | |
240 | 50 | 6322 | 6322ZZ | 6322-2RS | 193 | 171 | |
120 | 180 | 28 | 6571 | 6571ZZ | 6571-2RS | 88.7 | 79.7 |
215 | 40 | 6224 | 6224ZZ | 6224-2RS | 139 | 112 | |
260 | 55 | 6324 | 6324ZZ | 6324-2RS | 217 | 196 | |
130 | 200 | 33 | 6026 | 6026ZZ | 6026-2RS | 105 | 96.8 |
230 | 40 | 6226 | 6226ZZ | 6226-2RS | 148 | 125 | |
280 | 58 | 6326 | 6326ZZ | 6326-2RS | 218 | 205 | |
140 | 210 | 33 | 6571 | 6571ZZ | 6571-2RS | 116 | 108 |
250 | 42 | 6228 | 6228ZZ | 6228-2RS | 179 | 167 | |
300 | 62 | 6328 | 6328ZZ | 6328-2RS | 275 | 272 | |
150 | 225 | 35 | 6030 | 6030ZZ | 6030-2RS | 132 | 125 |
270 | 45 | 6230 | 6230ZZ | 6230-2RS | 190 | 183 | |
160 | 240 | 38 | 6032 | 6032ZZ | 6032-2RS | 145 | 138 |
290 | 48 | 6232 | 6232ZZ | 6232-2RS | 215 | 218 |
Company Profile
HangZhou Active-Power Industrial. is located in HangZhou, ZheJiang , China. The factory has been committed to the production research and development of bearings for more than 20 years. We support OEM and ODM bearing customization.
The main products are: Deep Groove Ball Bearing Taper Roller Bearing Tapered Roller Bearing Auto Wheel Hub Bearing Cylindrical Roller Bearing Spherical Roller Bearing Motor Bearing Needle Roller Bearing Angular Contact Ball Bearing.
FAQ
Q1:What is your Before-sales Service?
1>. Offer to bear related consultation about technology and application;
2>.Help customers with bearing choice, clearance configuration, product” life, and reliability analysis;
3>. Offer highly cost-effective and complete solution program according to site conditions;
4>. Offer localized program on introduced equipment to save running cost
Q2: What is your After-sales Service?
1>. Offer training about bearing installation and maintenance;
2>.Help customers with trouble diagnosis and failure analysis;
3>. Visit customers regularly and feedback on their rational suggestions and requirements to the company.
Q3: How about your company’s strength?
1>.FREE SAMPLES:
contact us by email or trade manager, we will send the free samples according to your request.
2>. World-Class Bearing:
We provide our customers with all types of indigenous roller bearings of world-class quality.
3>.OEM or Non-Stand Bearings:
Any requirement for Non-standard roller bearings is Easily Fulfilled by us due to our vast knowledge and links in the industry.
4>.Genuine products With Excellent Quality:
The company has always proved the 100% quality products it provides with genuine intent.
5>. After-Sales Service and Technical Assistance:
The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
6>.Quick Delivery:
The company provides just-in-time delivery with its streamlined supply chain.
7>.Cost Saving:
We provide long-life, shock-resistant, and high-reliability roller bearings with excellent quality and better performance.
Resulting in increased cost savings.
Q4: What will we do if you are not satisfied with the product?
A: If have any abnormal, Please contact us at the first time, and we will immediately process
Q5: How long will you respond to our problems?
A: We will respond within 1 hour. 24 hours to solve your problem
Q6: Is optional lubrication provided?
A: We can offer a wide range of oils and greases for a variety of applications. Please contact our engineer for technical
assistance with any special requirements
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Product Name: | Auto Bearing |
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Keywords: | Deep Groove Ball Bearing |
Precision Rating: | P0 P6 P5 P4 P2 |
Width Size: | 9mm-300mm |
Diameter Size: | 30mm-1600mm |
Inner Diameter Size: | 10mm-1320mm |
Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
---|
Customization: |
Available
| Customized Request |
---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.
Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
editor by CX 2024-05-14
China manufacturer 6200 Zz, Industrial Motor, Water Pump, Engine Power, Air Compressor, Air Conditioner, Auto Part Motorcycle Spare Part Deep Groove Ball Bearing supplier
Product Description
Product Description
6200 series deep groove ball bearings
other series: product-list-1.html
Bearing NO | (mm)Boundary Dimensions | (Kn) | (Kn) | (r/min)Limit Rotational Speed | (Kg) Weight |
|||
d | D | B | Dynamic Load Rating Cr |
Static Load Rating Cor |
Grease Lubrication | Oil Lubrication | ||
6200 | 10 | 30 | 9 | 5.11 | 2.39 | 24000 | 30000 | 0.032 |
6201 | 12 | 32 | 10 | 6.82 | 3.06 | 22000 | 28000 | 0.035 |
6202 | 15 | 35 | 11 | 7.64 | 3.72 | 20000 | 24000 | 0.045 |
6203 | 17 | 40 | 12 | 9.57 | 4.79 | 17000 | 20000 | 0.064 |
6204 | 20 | 47 | 14 | 12.84 | 6.65 | 15000 | 18000 | 0.103 |
6205 | 25 | 52 | 15 | 14.02 | 7.88 | 13000 | 15000 | 0.127 |
6206 | 30 | 62 | 16 | 19.46 | 11.31 | 11000 | 13000 | 0.202 |
6207 | 35 | 72 | 17 | 25.67 | 15.30 | 9500 | 11000 | 0.287 |
6208 | 40 | 80 | 18 | 29.52 | 18.14 | 8500 | 10000 | 0.367 |
6209 | 45 | 85 | 19 | 32.67 | 20.68 | 7500 | 9000 | 0.416 |
6210 | 50 | 90 | 20 | 35.07 | 23.18 | 7100 | 8500 | 0.462 |
6211 | 55 | 100 | 21 | 43.50 | 29.20 | 6300 | 7500 | 0.602 |
6212 | 60 | 110 | 22 | 52.50 | 36.00 | 5600 | 7100 | 0.789 |
6213 | 65 | 120 | 23 | 58.50 | 40.50 | 5300 | 6300 | 0.990 |
6214 | 70 | 125 | 24 | 63.70 | 45.00 | 5000 | 6300 | 1.100 |
6215 | 75 | 130 | 25 | 68.90 | 49.00 | 4800 | 5600 | 1.200 |
6216 | 80 | 140 | 26 | 72.50 | 53.00 | 4500 | 5300 | 1.400 |
6217 | 85 | 150 | 28 | 83.20 | 63.80 | 4300 | 5000 | 1.750 |
6218 | 90 | 160 | 30 | 95.80 | 71.50 | 4000 | 4800 | 2.200 |
6219 | 95 | 170 | 32 | 110.0 | 82.80 | 3800 | 4500 | 2.620 |
6220 | 100 | 180 | 34 | 122.0 | 92.80 | 3600 | 4300 | 3.200 |
6221 | 105 | 190 | 36 | 133.0 | 105.0 | 3400 | 4000 | – |
6222 | 110 | 200 | 38 | 144.0 | 117.0 | 2800 | 3400 | – |
6224 | 120 | 215 | 40 | 155.0 | 131.0 | 2600 | 3200 | – |
Detailed Photos
1.1 Black chamfer with rubber seal
1.2 Black chamfer with white dust cover
1.3 open UG
1.4 white chamfer with yellow dust cover
1.5 ceramic ball bearing
1.6 Non-standard bearings
1.7 DARM BRAND bearing
THE USE OF THE BEARING
Some tips on use
Rolling bearing is a precise part. Therefore it should be used carefully. No matter how high performance the bearing has, it can be obtained by improper use, the followings are the points for attention to use bearings.
(1) Keep clean the bearing and its surrounding areas
It is harmful to the bearing even by tiny dust which can not be seen by human eyes. Therefore it should always keep clean the surrounding environments in order to prevent the bearing from dust corrosion.
(2) Use bearing carefully
Scar and indentation can essily be produced out of strong impact to the bearing in use and become the cause of accidents. Therefore special caution should be given to its use.
(3) Use the appropriate operating tool
Avoid using a hammer or heavy direct tap on a bearing or sleeve, must use appropriate tools such as press or heating.
(4) Be careful to the rust corrosion of the bearings
The sweat in the hands will cause rust in operating the bearings. Therefore your hands should be cleanly washed and dried before operation. You’d better wear gloves in doing the work.
(5) Handler should familiar with bearing
(6) Establish bearing handling criteri
·Bearing storage
.Bearing and surrounding cleaning
.Dimension of mounting parts and inspection
.Machining quality
.Mounting handing
.After mounting inspection
·Disassembly handing
·Keep maintain
·Adding lubricant
Installation Instructions
Bearing mounting
Precautions for proper mounting of bearing
1) Bearing preparation
Bearing should not be unpacked until before mounting due to spray anti-corrosion oil and pack anti-corrosion paper. In addition, spray anti-corrosion oil on bearing have good lubricate function. For general purpose, just directly using bearing fill-in grease bearings, without cleaning. However, bearing for instrument or high speed rotating must be cleaned with clean filtered oil in order to remove the anti-corrosion oil. At that time, the bearings are easy to corrosion could not storage long term.
2) Inspection of shafts and housings
Cleaning shaft and housing, confirming no scratched or machine burrs, no CZPT and cutting piece in housing. Secondly comppare with drawing, the shaft and housing of dimension, form and machining quality should be inspected.
chart 1 Measure location for shaft diameter chart 2 Measure location for housing bore diameter
As chart 1 and chart 2 showing, divided several locations to be measure on shaft and housing bore diameters, It should be careful inspected perpendicular between shaft, housing fillet dimension and shoulder.
Before mounting bearing, it should be sprayed mechanical oil on fitting surface after check out the shaft and housing.
Bearing storage
Before leaving the factory, the bearing is sprayed proper rust-inhibiting oil and packed rust-inhibiting paper. The quality of bearing is guaranteed, if the packing is not broken.
For long-term storage, if the humidity less than 65% and the temperature about 20, it should storage on shelf which is higher 30cm than ground.
In addition, storage occasion should avoid sunshine and contact with cold wall.
Pictures about packaging
Company Profile
Our Advantages
1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
SAMPLES
1. Samples quantity: 1-10 PCS are available.
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to
pay samples charge and shipping cost.
3. It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED
The customized LOGO or drawing is acceptable for us.
MOQ
1. MOQ: 10 PCS standard bearings.
2. MOQ: 1000 PCS customized your brand bearings.
OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield.
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Motor Parts: | Motor Bearing |
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Water Pump Parts: | Water Pump Bearing |
Air Compressor Parts: | Air Compressor Bearing |
Samples: |
US$ 50/Piece
1 Piece(Min.Order) | Order Sample black or white or as required
|
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Customization: |
Available
| Customized Request |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: |
|
---|---|
Initial Payment Full Payment |
Currency: | US$ |
---|
Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.
What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.
editor by CX 2024-05-13
China Custom 90363-40068 90363-T0009 90363-T0033 Ball Bearing for CZPT manufacturer
Product Description
Name: | 90363-40068 90363-T0009 90363-T0033 Ball bearing for toyota |
Type: | wheel bearing |
Position: | Front/rear axle |
Weight: | 1.2KG |
Specifications: | 40*90*28mm |
Material: | Chrome steel/GCR-15 |
Technology: | Hot forging |
CAGE: | TN Nylon |
SEAL: | ZZ, 2RS |
Rolling body: | Steel ball |
ABS: | Without |
Quality: | Top grade |
Brands: | DHXB, OEM |
Origin: | China |
First generation wheel bearings are used on many applications due to their compact and rugged design, featuring lifetime sealing and lubrication. And has developed angular contact ball bearings for both front and rear wheels, ensuring optimum performance in the most demanding situations. Generation 1 bearings are original equipment on many late model vehicles including the CZPT Focus and Explorer, the BMW 3-Series and the Cayenne.
This compact, lightweight, maintenance-free unit combines the costeffectiveness of a Generation 1 bearing with the convenience of an integral mounting fl ange. The Generation 2 design features a factoryset preload and an innovative retaining ring that secures the bearing in the carrier and eliminates the need for a clamping unit. The orbital-formed shoulder precisely secures the roller paths in place to maximize bearing life. Generation 2 hubs are original-equipment on the Volkswagen Jetta and Passat and the BMW M5 and M6.
Vehicle manufacturers constantly strive to improve performance and handling, while reducing weight and complexity. Maintenance-free Generation 3 wheel hubs combine all of these characteristics in a compact, easy-to-install, ABS-ready assembly. The unit features a factory-adjusted preload and optimally rigid double-fl CZPT design. The orbital-formed shoulder provides proper clamping force and a lifetime of consistent and reliable performance. Generation 3 hub units are chosen as original equipment for many models including the Jeep Grand Cherokee and Commander, Chrysler Town & Country, and the CZPT Freestar.
TOYOTA : 90080-36206
TOYOTA : 90363-40068
TOYOTA : 90363-40072
TOYOTA : 90363-T0009
TOYOTA : 90363-T0033
TOYOTA : 90363-T0034
A.B.S. : 201369
:
HERTH+BUSS JAKOPARTS : J4712075
KAVO PARTS : WBK-9073
NIPPARTS : J4712075
OPTIMAL : 982956
RUVILLE : 6943
: VKBA 6901
SNR : R141.43
SNR : R141.44
SNR : R141.56
SNR : R141.57
Introduction to WHEEL BEARINGS
Double row roller or ball wheel bearings, composed of 2 interior sets housed in 1 outer ring, can withstand large radial and axial loads in both directions.
They allow for rigid bearing arrangements and are suitable for bearing arrangements where rigid axial guidance is required.
The double row roller/ball wheel bearing allow for space saving applications and in many cases the bearing require no maintenance since it’s lubricated for life.
Introduction to WHEEL HUB BEARING ASSEMBLY
Our wheel hub bearings assembly are characterised by:
- optimisation of internal geometry and sealing
- the use of steel with a very high level of cleanliness
- the use of greases specifically developed with our suppliers
Our third generation of wheel bearings integrate hub and flange functions for a streamlined and effective assembly and precise adjustment of the pre-load.
We can provide you with robust solutions, whatever your areas of application: passenger vehicles, utilities or heavy goods vehicles.
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OEM | OEM | OEM | OEM | OEM | OEM | OEM | OEM |
201692A | 500636 | 557198 | 55716A | 539860.R20.28 | 540626AA.J30NF | 545495AD (KIT) | 546065.C3.L140 |
508204 | 508620B | 509043B | 509592A | 546238A (W.PRO) | 547103E (KIT) | 548183 (KIT) | 562300.A20.140 |
55710A | 55714A | 55711 | 55713 | 566425.H195 | 566426.H195 | 566427.H195 | 566719 (KIT) |
510148B | 51571 | 511134 | 511135A | 566830.H195 | 567486A.H84 | 568350C.H75AA | 575009A |
511172 | 511242B | 511475 | 511482 | 575194A | 575725 | 576582 | 576681EA |
512088B | 512099 | 512392 | 512533 | 576681EA (KIT) | 578184B | 578413A | 578413A (KIT) |
512786 | 513371B | 514857A | 515571 | 578718.H84 | 581408A | 713606290 | 713606300 |
515828 | 515893 | 517959 | 518772A | 713615710 | 713610150 | 713610180 | 71361 0571 |
518995 | 521425 | 522380 | 522637 | 71361571 | 713610620 | 713610630 | 713610650 |
523361A | 524033 | 524213 | 524625B.M | 71362 0571 | 713631080 | 713644090 | 713644260 |
524850 | 524884 | 526385 | 527243BE | 713644270 | 713649240 | 713649350 | 713649370 |
527539 | 527811 | 528546C | 528548B | 713649420 | 713649430 | 713649450 | 713649460 |
528595 | 528932A | 528946 | 528983B | 713649500 | 713649510 | 713667060 | 713667140 |
529084D | 529257A | 530448 | 53571M.H50B | 713667180 | 713667190 | 713667220 | 713667360 |
531068A | 532066DB | 532488A | 532803 | 713667580 | 713667850 | 713667980 | 713668571 |
532805 | 533449 | 534176 | 534520 | 713668571 | 713668040 | 713668050 | 713678030 |
534565 | 534662 | 535000 | 535001 | 713678100 | 713678650 | 713678790 | 713695710 |
535411 | 536093 | 536125B | 536906C | 71380571 | 713800110 | 713801410 | 713801510 |
537401A | 538971 | 539090M | 545716 | 800179BA | 800179D | 80 0571 | 80571C.H49A |
540484A | 540669 | 54571CA | 541153A | 80 0571 C | 80 0571 C (KIT) | 857123AB | 857123AB (KIT) |
541521C | 541582 | 543562 | 543772 | 801106D | 801106D (KIT) | 801136 | 801191A |
543805 | 544033 | 544235 | 545312A | 801191AD | 801191BA | 801215A | 801328 |
545495AD | 545891 | 546238A | 546439 | 801344D | 801400A | 801464 | 801663AA |
546467 | 546485 | 547103 | 547518 | 801663AA (KIT) | 801663 | 801785 | 801794B |
547858 | 548083 | 548183 | 548376A | 801806 | 801842D | 801843 | 801974AE.H195 |
548395 | 549235 | 559335 | 559347 | 85711 | 85714A | 85719 | 85712A |
559407B | 559450 | 559467 | 561166 | 803631BC | 803636DC | 803640BA | 803640BA (KIT) |
561388B | 561447 | 561935AEA | 562079 | 803640CC | 803646 | 803646 (KIT) | 803647 |
562089 | 562398A | 562830A | 563466AC | 85710B | 85715C | 85715 | 803837 |
563468 | 563809A | 564583 | 564725AB | 85718 | 804075A | 804075A (KIT) | 85712A |
564727 | 564734.H195 | 565592 | 565636 | 85712 | 85712A | 805011C | 805015 |
565795 | 566194A | 566195 | 566616B | 805045 | 805046 | 805062C | 805092C |
566719 | 566968 | 567171 | 567447B | 85711 | 85710CC | 85710 | 85710E (KIT) |
567549 | 568331 | 568335CA | 568585A | 85715A | 85710 | 85710 (KIT) | 85711 |
568995A | 569868.H195 | 571762.H195 | 572428 | 805201D | 805201D (KIT) | 805209B | 805209B (KIT) |
572506 | 572548C.H84 | 572681.H84 | 572791B | 8 0571 3A | 805248 | 85712 | 85719 |
572813A | 573033 | 574298 | 574566B | 85719 (KIT) | 85718D | 85717 | 85714C |
574566BE | 574566CE | 574821A | 578973 | 805409B | 805409B (KIT) | 8 0571 6C | 8 0571 6A |
579102A | 579557 | 579590 | 579943B | 8 0571 6A (KIT) | 85714AC | 8 0571 8 | 8 0571 8 (KIT) |
580191 | 580400 | 580486 | 580494 | 8 0571 0B | 8 0571 1 | 8 0571 9 | 805657A |
580494C | 580616 | 580704A | 581571A | 85711 | 8 0571 7A | 805841B | 85711 |
581571A (KIT) | 574963C.H49A | 566074.H195 | 566193.H195 | 85714 | 85719 | 85718 | 85719 |
561948AEZ72 (KIT) | 527640C.H42CX | 32217A.801976 | 33571.56169 | 85711 | 85713 | 85718 | 806078 |
33571.58094 | 33571.56216 | 33216.57381 | 539244B.H92 | 809280 | 85714 | K33889.33822 | K580.572 |
ZheJiang Huaxu Bearing Co.,Ltd
Our factory specialize wheel hub bearing, wheel bearing kit, clutch bearing, taper roller bearing, truck bearing, wheel hub bearing in high quality.
Our bearings have large loading capacity and long lifetime, and widely fit in different vehicles.
wheel bearings and kits to vehicles like LADA, TOYOTA, HONDA, RENAULT, AUDI,Chevrolet, HYUNDAI,FIAT, FORD and so on.
Truck bearings applied to VOLVO, MAN, BENZ, DAF, SAF and so on.
And we can produce bearings which can meet your multifarious demands.
For example, wheel bearing, taper roller bearing, clutch release bearing, ball bearing, truck bearing ect.
We can provide brands likeTIMKEN, NSK, KOYO, NTN,, NACHI, GMB, BW, GM, HYUNDAI ect.
Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibilities when defective products were found:
1.12 months warranty from the first day of receiving goods;
2. Replacements would be sent with goods of your next order;
3. Refund for defective products if customers require.
Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we also customize OEM box and packing as your requirements.
Q:What’s the MOQ?
A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.
Q:How long is the lead time?
A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.
Q:Do you offer free samples?
A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight. We DO NOT offer free samples to end users.
Q:How to place order?
A: 1. Email us the model, brand and quantity,shipping way of bearings and we will quote our best price for you;
2. Proforma Invoice made and sent to you as the price agreed by both parts;
3. Deposit Payment after confirming the PI and we arrange production;
4. Balance paid before shipment or after copy of Bill of Loading.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
After-sales Service: | OEM Service |
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Warranty: | 50000km |
Type: | Wheel Hub Bearing |
Material: | Chrome Steel |
Tolerance: | P0 P6 P5 |
Certification: | ISO9001, TS16949 |
Samples: |
US$ 0/Set
1 Set(Min.Order) | |
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Customization: |
Available
| Customized Request |
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Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.
What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.
editor by CX 2024-05-13
China manufacturer High Precision Ceramic Needle Pillow Block Auto Deep Groove Bearing Tapered Roller Bearing Angular Contact Ball Bearing bearing and race
Product Description
Company Profile
MKS Hydraulics ZheJiang Co., Ltd.is a scientific and professional bearing producing enterprise, gathering R&D, producing and sales as 1 integration.mainly operating on non-standard, special andgeneral bearings.
The company is especially focusing on the research and manufacture of general high-tech production with the 20 years R&D experience, professional R&D staff and advanced equipment, of which 8 sets are imported equipment and 40 sets are high-precision processing equipment. it has invested for building a modern workshop, including 1 Bainite heat processing workshop of world advanced level, 1 machine processing workshop, 2 moder thermostatic &no-dust roller grinders, assembly workshop, physical-chemical testing center, heating laboratory and moder-managed warehouse. Depending on the markets in China and abroad, the company puts an active attitude upon products R&D, resulting a healthy circulation of 1 development generation, 1 reserve generation, and 1 producion generation. The enterprise enlarges the R&D investment, creates own brand, and strives to increase the exporting products of high-tech & high value-added, gains the honorable sales result and grows into 1 of the largest R&D enterprise in China of non-standard bearing and special bearing.
The advanced technology, outstanding quaity and considerable service after sales with enthusiasm make us get the rapid development in quite short time of years, and now it becomes the largest developing and producing enterprise in Asia of concrete carrier truck, speed-reducing machine,mine-digging machine, hydraulic pump spindle bearing and crecent bearing. With the continuing and wholly new developing theory of Technology is the motivation and quality is the life, We are not only pursuing the leading position in China, but also determined to march into the worldwide bearing area during it developing process, The products are mainly applied on the industries of mine, metalurgy, engineering, machineny, machine tool,electronic machine and so on, The products have gained the excllent sales resul in the markets of Europe, Southeast Asia, Middle East and so on in a dozen of countries and areas.
Company Environment
Company Advantages
Packaging & Shipping
FAQ
1. how can we guarantee quality?
Always final Inspection before shipment;
2.what can you buy from us?
Auto Bearing,Bearing Housing,Taper Roller Bearing,Casting,Hydraulic pump,Hydraulic parts,excavator parts and so on.
Ceep groove ball bearing/Self aligning ball bearing/Cylindrical roller bearing/Spherical roller bearing/ Angular contact ball bearing/Tapered roller bearing/ Thrust ball bearing/Thrust cylindrical roller bearing/Needle roller bearing
3. why should you buy from us not from other suppliers?
One stop bearing and mechanical customized parts,
Designed bearing,
Small quantity order available
Factory price offer
OEM ODM bearing service
4.What is the transportation?
lf small quantity,we suggest to send by express,such as DHL,UPS,TNT FEDEX flarge amount,by air or sea shipping.
5.Can we design packaging?
Except regular packing,and we can make customer’s own packing.
6.What’s your payment method?
We can accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, MoneyGram etc.
7.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.
8.Is the company a production factory or a trading company?
MKS company is a manufacturing enterprise focusing on bearings ,hydraulic pumps and hydraulic parts , produce and sales.
If you have any questions,Please contact us,We must be reply quickly.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Contact Angle: | 15° |
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Aligning: | Non-Aligning Bearing |
Separated: | Unseparated |
Rows Number: | Single |
Load Direction: | Radial Bearing |
Material: | Bearing Steel |
Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
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Customization: |
Available
| Customized Request |
---|
Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?
Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:
- Contaminant Exclusion:
Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.
- Lubrication Retention:
Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.
- Corrosion Prevention:
Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.
- Extended Bearing Life:
Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.
- Enhanced Performance in Harsh Environments:
In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.
- Noise and Vibration Reduction:
Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.
- Customized Protection:
Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.
- Trade-Offs:
While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.
Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.
How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.
editor by CX 2024-05-09
China manufacturer High Quality Angular Contact Ball Bearing 7015AC 7015acm 71815c Bearings for High Precision Machine Tool Engraving Machine ball bearing
Product Description
Product Parameters
Bearing type | Boundary Dimensions( mm ) | Speed Rating(ipm) | Load Rating(kn) | Weight(kg) | ||||
d | D | B | Grease lubrication | Oil lubrication | Dynamic Cr | Static Cor | ||
7000AC | 10 | 26 | 8 | 22000 | 30000 | 4.55 | 1.97 | 0.019 |
7001AC | 12 | 28 | 8 | 20000 | 26000 | 5.1 | 2.38 | 0.571 |
7002AC | 15 | 32 | 9 | 19000 | 24000 | 5.58 | 2.85 | 0.03 |
7003AC | 17 | 35 | 10 | 17000 | 21000 | 6 | 3.25 | 0.04 |
7004AC | 20 | 42 | 12 | 16000 | 19000 | 9.38 | 5.02 | 0.069 |
7005AC | 25 | 47 | 12 | 15000 | 18000 | 10.1 | 5.85 | 0.08 |
7006AC | 30 | 55 | 13 | 13000 | 15000 | 13.2 | 8.3 | 0.116 |
7007AC | 35 | 62 | 14 | 11000 | 13000 | 16 | 10.3 | 0.155 |
7008AC | 40 | 68 | 15 | 9000 | 11000 | 17 | 11.8 | 0.185 |
7009AC | 45 | 75 | 16 | 8000 | 10000 | 21 | 14.8 | 0.23 |
7571AC | 50 | 80 | 16 | 7000 | 9000 | 22.05 | 16.21 | 0.25 |
7011AC | 55 | 90 | 18 | 7000 | 8500 | 30.2 | 21.8 | 0.362 |
7012AC | 60 | 95 | 18 | 6300 | 7500 | 31.65 | 24.22 | 0.385 |
7013AC | 65 | 100 | 18 | 6000 | 7000 | 32 | 24.72 | 0.41 |
7014AC | 70 | 110 | 20 | 5000 | 6700 | 38.5 | 30.5 | 0.575 |
7015AC | 75 | 115 | 20 | 5300 | 6300 | 40.2 | 33.2 | 0.603 |
7016AC | 80 | 125 | 22 | 5000 | 6000 | 47.5 | 39.8 | 0.821 |
7017AC | 85 | 130 | 22 | 4500 | 5600 | 50.8 | 42.8 | 0.848 |
7018AC | 90 | 140 | 24 | 4300 | 5300 | 58 | 49.8 | 1.1 |
7019AC | 95 | 145 | 24 | 4000 | 5000 | 57.8 | 50 | 1.15 |
7571AC | 100 | 150 | 24 | 3800 | 4800 | 64.5 | 56.2 | 1.18 |
7571AC | 110 | 170 | 28 | 3400 | 4300 | 81.8 | 72.8 | 1.89 |
7571AC | 120 | 180 | 28 | 3000 | 3800 | 87.5 | 79.2 | 1.99 |
7026AC | 130 | 200 | 33 | 2800 | 3600 | 105 | 96.8 | 3.08 |
7571AC | 140 | 210 | 33 | 2400 | 3200 | 116 | 108 | 3.17 |
7030AC | 150 | 225 | 35 | 2200 | 3000 | 132 | 125 | 3.9 |
7032AC | 160 | 240 | 38 | 2000 | 2800 | 145 | 138 | 4.83 |
7034AC | 170 | 260 | 42 | 1900 | 2600 | 170 | 170 | 6.5 |
7036AC | 180 | 280 | 46 | 1300 | 2400 | 188 | 198 | 8.51 |
Model | Model | Model | Model | Model | Model | Model | Model | Model | Model | Model | Model |
7000AC | 7212AC | 7408AC | 7048ACM | 7308ACM | 71801C | 71912C | QJ212M | 7201BTN | 7224BM | 7305BM | 7408BM |
7001AC | 7213AC | 7409AC | 7309ACM | 71802C | 71913C | QJ213M | 7202BTN | 7226BM | 7306BM | 7409BM | |
7002AC | 7214AC | 7410AC | 7200ACM | 7310ACM | 71803C | 71914C | QJ214M | 7203BTN | 7228BM | 7307BM | 7410BM |
7003AC | 7215AC | 7411AC | 7201ACM | 7311ACM | 71804C | 71915C | QJ215M | 7204BTN | 7230BM | 7308BM | 7412M |
7004AC | 7216AC | 7412AC | 7202ACM | 7312ACM | 71805C | 71916C | QJ216M | 7205BTN | 7232BM | 7309BM | 7413BM |
7005AC | 7217AC | 7413AC | 7203ACM | 7313ACM | 71806C | 71917C | QJ217M | 7206BTN | 7234BM | 7310BM | 7414BM |
7006AC | 7218AC | 7414AC | 7204ACM | 7314ACM | 71807C | 71918C | QJ218M | 7207BTN | 7236BM | 7311BM | 7416BM |
7007AC | 7219AC | 7415AC | 7205ACM | 7315ACM | 71808C | 71919C | QJ219M | 7208BTN | 7238BM | 7312BM | 7432BM |
7008AC | 7220AC | 7416AC | 7206ACM | 7316ACM | 71809C | 71920C | QJ220M | 7209BTN | 7240BM | 7313BM | |
7009AC | 7221AC | 7207ACM | 7317ACM | 71810C | 71921C | QJ222M | 7210BTN | 7244BM | 7314BM | ||
7571AC | 7222AC | 7000ACM | 7208ACM | 7318ACM | 71811C | 71922C | QJ224M | 7211BTN | 7248BM | 7315BM | |
7011AC | 7224AC | 7001ACM | 7209ACm | 7319AC | 71812C | 71924C | QJ226M | 7212BTN | 7252 BM | 7316BM | |
7012AC | 7226AC | 7002ACM | 7210ACM | 7320ACM | 71813C | 71926C | QJ228M | 7213BTN | 7256BM | 7317BM | |
7013AC | 7228AC | 7003ACM | 7211ACM | 7321ACM | 71814C | 71928C | QJ230M | 7214BTN | 7260BM | 7319BM | |
7014AC | 7230AC | 7004ACM | 7212ACM | 7322ACM | 71815C | 71930C | QJ232M | 7215BTN | 7264BM | 7320BM | |
7015AC | 7005ACM | 7213ACM | 7324ACM | 71816C | 71932C | QJ234M | 7216BTN | 7322BM | |||
7016AC | 7301AC | 7006ACM | 7214ACM | 7326ACM | 71817C | 71934C | QJ236M | 7217BTN | 7324BM | ||
7017AC | 7302AC | 7007ACM | 7215ACM | 7328ACM | 71818C | 71936C | QJ240M | 7218BTN | 7326BM | ||
7018AC | 7303AC | 7008ACM | 7216ACM | 7330ACM | 71819C | 71938C | QJ244M | 7301BTN | 7328BM | ||
7019AC | 7304AC | 7009ACM | 7217ACM | 7332ACM | 71820C | 71940C | 7219BTN | 7302BTN | 7330BM | ||
7571AC | 7305AC | 7571ACM | 7218ACM | 7334ACM | 71821C | 7220BTN | 7332BM | ||||
7571AC | 7306AC | 7011ACM | 7219ACM | 7336ACM | 71822C | QJ1018M | QJ305M | 7222BTN | 7304BTN | 7334BM | |
7571AC | 7307AC | 7012ACM | 7220ACM | 7340ACM | 71824C | QJ1571M | QJ306M | 7224BTN | 7305BTN | 7336BM | |
7571AC | 7308AC | 7013ACM | 7221ACM | 71826C | QJ1571M | QJ307M | 7226BTN | 7306BTN | 7338BM | ||
7026AC | 7309AC | 7014ACM | 7222ACM | 71828C | QJ1571M | QJ308M | 7307BTN | 7340BM | |||
7571AC | 7310AC | 7015ACM | 7224ACM | 7405ACM | 71830C | QJ1026M | QJ309M | 7308BTN | 7344BM | ||
7030AC | 7311AC | 7016ACM | 7226ACM | 7406ACM | 71832C | QJ1571M | QJ310M | 7309BTN | 7318BM | ||
7032AC | 7312AC | 7017ACM | 7228ACM | 7407ACM | 71834C | QJ1030M | QJ311M | 7206BM | 7310BTN | 7356BM | |
7034AC | 7313AC | 7018ACM | 7230ACM | 7408ACM | 71836C | QJ1032M | QJ312M | 7207BM | 7311BTN | ||
7036AC | 7314AC | 7019ACM | 7232ACM | 7409ACM | 71838C | QJ1034M | QJ313M | 7208BM | 7312BTN | ||
7315AC | 7571ACM | 7234ACM | 7410ACM | 71840C | QJ1036M | QJ314M | 7209BM | 7313BTN | |||
7200AC | 7316AC | 7571ACM | 7236ACM | 7411ACM | QJ1038M | QJ315M | 7210BM | 7314BTN | |||
7201AC | 7317AC | 7571ACM | 7238ACM | 7412ACM | 71901C | QJ1040M | QJ316M | 7211BM | 7315BTN | ||
7202AC | 7318AC | 7571ACM | 7240ACM | 7413ACM | 71902C | QJ1044M | QJ317M | 7212BM | 7316BTN | ||
7203AC | 7319AC | 7026ACM | 7244ACM | 7414ACM | 71903C | QJ1048M | QJ318M | 7213BM | 7317BTN | ||
7204AC | 7320AC | 7571ACM | 7415A0M | 71904C | QJ319M | 7214BM | 7318BTN | ||||
7205AC | 7321AC | 7030ACM | 7301ACM | 7416ACM | 71905C | QJ205M | QJ320M | 7215BM | 7319BTN | ||
7206AC | 7322AC | 7032ACM | 7302ACM | 7417ACM | 71906C | QJ206M | QJ322M | 7216BM | 7320BTN | ||
7207AC | 7324AC | 7034ACM | 7303ACM | 7418ACM | 71907C | QJ207M | QJ324M | 7217BM | 7322BTN | ||
7208AC | 7036ACM | 7304A0M | 7420ACM | 71908C | QJ208M | QJ326M | 7218BM | ||||
7209AC | 7405AC | 7038ACM | 7305ACM | 7432ACM | 71909C | QJ209M | QJ328M | 7219BM | |||
7210AC | 7406AC | 7040ACM | 7306ACM | 71910C | QJ210M | QJ330M | 7220BM | ||||
7211AC | 7407AC | 7044ACM | 7307ACM | 71911C | QJ211M | QJ336M | 7222BM |
Our business:Produce and customize various bearing brands. (Packaging and logo can be customized. All copyright belongs to the customer. We promise not to disclose any information.)
We can supply a wide range of Auto bearings. The bearings are widely applicable to themost of cars in the world.
Detailed Photos
Packaging & Shipping
Company Profile
HangZhou Haver Seiko Bearing Co.,Ltd. is a high-end Automotive bearing manufacturer from ZheJiang China. Its headquarters is located in HangZhou,ZheJiang Province.HangZhou Haver Seiko Bearing Co.,Ltd. Exports 80% of its auto parts,covering more than 40% countries in Europe,the Middle East,Southeast Asia, and South America.
As a high-end brand in the automotive bearing manufacturing industry, HangZhou Haver Seiko Bearing Co.,Ltd. has more than 20 years of experience in automotive design and manufacturing,and can meet the most stringent requirements of customers.
Exhibitions&Partners
FAQ
Q:Are you trading company or manufacturer?
–We are the company dealing in trading business and manufacturing business.
Q:What’s the MOQ?
–MOQ is 2pcs for standardized products; 300pcs for customized products. There is no MOQ for sample orders.
Q:How long is the lead time?
–The lead time for sample orders is 1-3 days, for bulk orders is generally in 3-15 days.The delivery time is generally in 2 days after payment. It’s according to the order amount.
Q:Do you offer free samples?
–If you place an order, we can return part of sample fee even all of fee to you. It also depends on the quantity of order and the type of sample. And you just need to pay freight.
Q: Could you customized for me?
–Sure,we can supply OEM service as per your drawing or samples.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Contact Angle: | 25° |
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Aligning: | Non-Aligning Bearing |
Separated: | Unseparated |
Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
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Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.
editor by CX 2024-05-08
China Custom High Precision Linear Ball Bearing 16mm Manufacturer drive shaft bearing
Product Description
CZPT PRECISION TECHNOLOGY(HangZhou) CO.,LTD. IS A PROFESSIONAL MANUFACTURER OFLINEARXIHU (WEST LAKE) DIS.,LINEAR MODULE AND LINEAR BEARING AND BALL SCREW ETC.SHE IS LOCATED IN HangZhou CITY,ZheJiang ,CHINA.THE NEW FACTORY COVERS 33333 SQUARE METERS AND HOLDS A BUILDING AREA OF 16
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Feature: | Corrosion Resistant |
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Function: | Ordinary |
Flange Shape: | Without Flange |
Shape: | Straight |
Series: | LM |
Material: | Bearing Steel |
Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
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Customization: |
Available
| Customized Request |
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How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.
What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.
editor by CX 2024-05-07