Tag Archives: sales bearing

China factory 922D/925 Slewing Ring Slewing Bearing Internal Gear Ball Bearing Structure with Best Sales

Product Description

1. Company introduction 

HangZhou King Slewing Bearing Technology Co.,Ltd.is a professional manufacturer and exporter of excavator slewing rings, its factory is located in HangZhou city, ZheJiang Province,very close to ZheJiang Port, goods can be easily transported all over the world.

Our main product is excavator slewing rings, we can now produce more than 1000 part numbers to match with many famous excavator brands, such as CATERPILLAR,  , HITACHI, KOBELCO, HYUNDAI, VOLVO, DOOSAN, LIEBHERR, DAEWOO, JCB,CASE, SUMITOMO, KATO,etc. 

Our engineers have more than 20 years rich experience in studying excavator slewing rings and we have professional measuring team can go to customers ‘ workplace  to measure the old or broken slewing rings, then to produce the same replacements. We have our own factory with latest CNC machines , such as vertical lathes, gear hobbing machines, gear shaping machines, hole drilling mahines, quenching machines, vertical grinding machines, turning machines,etc. to meet customers’ quick delivery requirements. 

We will adhere to the “quality first, credibility first” business philosophy and continually provide our clients with superior quality products and services. We warmly welcome customers from all over the world to visit us and together to build a better future !

2. Our slewing rings can match with more than 1000 excavator models. 

3. Our excavator part numbers as below:

Liugong Excavator Slewing Ring Replacement 
Excavator model number Part number Excavator model number Part number
LG225C/LG205C   LG922D   925  
922 26b5712 LG925D  
922 26b0122 936D 26B0120
922 26b571 LG936LC  
LG922D 26B0122    

4. Our excavator slewing ring pictures

5. Our slewing bearing packaging pictures 

6. Transportation way: By sea/ air/ rail/ road/ TNT/DHL/UPS/Fedex,ect. 

7. Contact information
/* 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

Standard or Nonstandard: Standard
Feature: Short Delivery Time
Sealing Gland: Seal Rings
Rolling-Element Number: Single Row
Roller Type: Four Point Contact
Material: 50mn/42CrMo
Samples:
US$ 1200/Set
1 Set(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

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.

ball bearing

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.

ball bearing

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.

China factory 922D/925 Slewing Ring Slewing Bearing Internal Gear Ball Bearing Structure   with Best SalesChina factory 922D/925 Slewing Ring Slewing Bearing Internal Gear Ball Bearing Structure   with Best Sales
editor by CX 2024-05-16

China Best Sales Good Price High Quality CZPT Deep Groove Ball Bearing with Good quality

Product Description

Product Description

China manufacturer CZPT CZPT CZPT CZPT Deep Groove Ball Bearing  6204R Zz 2RS DDU good price

are the most widely used bearing type and are particularly versatile. They have low friction and are optimized for
low noise and low vibration which enables high rotational speeds. They accommodate radial and axial loads in both directions,
are easy to mount, and require less maintenance than other bearing types.

Product name Deep groove ball bearings
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

 

Detailed Photos

Product Parameters

6000 series deep groove ball bearings 
Bearing No. Boundary Dimensions(mm) Basic Load Rating(N) Weight(KG)
d D B Cr Cor
604 4 12 4 960 350 0.571
605 5 14 5 1070 420 0.0037
606 6 17 6 1960 730 0.0069
607 7 19 6 2800 1060 0.0082
608 8 22 7 3290 1360 0.0129
609 9 24 7 3330 1410 0.016
6000 10 26 8 4160 1780 0.019
6001 12 28 8 5110 2380 0.571
6002 15 32 9 5590 2840 0.03
6003 17 35 10 6000 3250 0.039
6004 20 42 12 9390 5571 0.069
6005 25 47 12 10060 5860 0.08
6006 30 55 13 11900 7460 0.12
6007 35 62 14 16210 10420 0.16
6008 40 68 15 17030 11700 0.19
6009 45 75 16 21080 14780 0.25
6571 50 80 16 22000 16260 0.26
6011 55 90 18 31500 18400 0.39
6012 60 95 18 30000 23000 0.42
6013 65 100 18 32000 25000 0.44
6014 70 110 20 38000 31000 0.6
6015 75 115 20 38000 31000 0.64
6016 80 125 22 47500 40000 0.85
6017 85 130 22 47500 40000 0.89
6018 90 140 24 63800 59000 1.15
6019 95 145 24 66700 62300 1.2
6571 100 150 24 72500 70000 1.25
6200 Series Miniature Deep Groove Ball Bearing    
Bearing No. Boundary Dimensions(mm) Basic Load Rating(N) Weight(KG)
d D B Cr Cor
624 4 13 5 1150 400 0.0032
625 5 16 5 1880 680 0.0051
626 6 19 6 2800 1060 0.
627 7 22 7 3290 1360 0.0131
628 8 24 8 3330 1410 0.017
629 9 26 8 4160 1780 0.0191
6200 10 30 9 5110 2380 0.032
6201 12 32 10 6180 3060 0.037
6202 15 35 11 7450 3700 0.045
6203 17 40 12 9560 4780 0.065
6204 20 47 14 12840 6650 0.11
6205 25 52 15 14571 7930 0.13
6206 30 62 16 19460 11310 0.2
6207 35 72 17 25670 15300 0.29
6208 40 80 18 29520 181400 0.37
6209 45 85 19 32500 20400 0.41
6210 50 90 20 35000 32300 0.46
6211 55 100 21 43500 29200 0.61
6212 60 110 22 52500 36000 0.78
6213 65 120 23 57200 45710 0.99
6214 70 125 24 62000 44000 1.05
6215 75 130 25 66000 49500 1.2
6216 80 140 26 72500 53000 1.4
6217 85 150 28 83500 64000 1.8
6218 90 160 30 96000 71500 2.15
6219 95 170 32 109000 82000 2.6
6220 100 180 34 122000 93000 3.15

 

Packaging & Shipping

 

Company Profile

 

 

Our Advantages

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 7-15 days of payment being received.
3.Does your company have quality assurance?
    Yes, for 1 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

 

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Product Name: Deep Groove Ball Bearing
Bore Size: 1-160 mm
Seals Type: Zz 2RS Open
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
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.

ball bearing

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.

ball bearing

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.

ball bearing

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?

Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:

  • Load Type and Magnitude:

Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.

  • Speed and Operating Conditions:

Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.

  • Accuracy and Precision:

For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.

  • Space Limitations:

If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.

  • Thrust and Radial Loads:

Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.

  • Alignment and Misalignment:

If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.

  • Mounting and Installation:

Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.

  • Lubrication and Maintenance:

Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.

  • Environmental Conditions:

Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.

  • Bearing Material:

Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.

  • Bearing Arrangement:

Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.

By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.

China Best Sales Good Price High Quality CZPT Deep Groove Ball Bearing   with Good qualityChina Best Sales Good Price High Quality CZPT Deep Groove Ball Bearing   with Good quality
editor by CX 2024-05-15

China Professional Linear Bushing Shaft Lm Lme Lmk Lmh 6uu 8uu 10uu 12uu 16uu 20uu 25uu 30uu Ball Bearing with Best Sales

Product Description

 

Product Description

Linear Bushing shaft Lm Lme Lmk Lmh 6uu 8uu 10uu 12uu 16uu 20Uu 25uu 30uu Ball Bearing 
 

Material

Bearing Steel,Stainless Steel

Retainer

Steel/Resin

Quality standard

ISO9001:2015,CE certificate,RoHS and reach compliance

Efficiency

>90%

Surface Treatment

Available

 Packing

Carton+Plastic bag + Wooden box or according to customers’ demands

 

Product Show

Product Parameters

Company Profile

Founded in year of 2005,ALM originally called HangZhou XIHU (WEST LAKE) DIS. BALL SCREW FACTORY.Over the last 2 decades,ALM has grown fast and has 4 production workshops for ball screw,lead screw,linear motor,linear actuator,linear guideways and related CNC machining parts for automation industry.Factory over 15000 square meters,129 employees.Over 30 technical engineers with more than 20 years’ experience in linear motion filed.ALM factory is equipped with 15 automated production line.Products are 100% inspected before shipping.ALM has obtained ISO9001,IATF16949,CE,RoHS certificate. 0ver 25 distributors all over the world.
 

 

Exhibition

 

Certifications

 

Customer Visit

 

 

FAQ

1.Why can ALM be your better option for linear motion components?
(1)Nearly 20 years of rich manufacturing experience;
 

(2)We understand both electrical and mechanical issues. Can recommend good engineering design.
 

(3)Quality is guaranteed, We inspect everything, so you won’t receive product that doesn’t meet specifications. For some parts, we stock for the customer, You never have to wait.

(4)Easy to pay and can be trusted, We always respond to questions.

(5)We work on your time zone-You no need work through dinner and at night. Above all, our professional sales and after-service team ensure high efficiency communication to allow you high work efficiency and keep a good mood everyday.

2.When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in
your email so that we will regard your inquiry priority.

3.About shipping and payment:
Shipping
Sample order: We have DHL, FedEx, UPS VIP account with discount. So you can get favorable shipping freight.
Bulk order: We have freight forwarder to ship by air, by train or by sea. You can also arrange shipping through your own shipping agent.

Payment
LC,T/T,D/P, PayPal, Western Union, Money Gram

4.How is quality ensured?
All our processes strictly adhere to ISO9001:2015 procedures. Combining advanced equipment, from production to delivery, we have strict quality control. Our company has strong technical support and has cultivated a group of managers who are familiar with product quality, good at modern concept of management. Our production concept is “Quality has to be caused, not controlled.”
 

5.How to custom-made (OEM/ODM)?

If you have a new product drawing or a sample, please send to us, we’ll make our production drawing and customize it as per your requirement. We can also provide our professional advices to make your design more realized and maximize the performance. So,If you didn’t find the ideal product from our website, please email us, your inquiry will get fast response.
 

6.What’s your Delivery Time?

Standard items: Ready in stock

Customized items:7-20days

For urgent case, We can make the delivery ASAP with guaranteed quality.

/* 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, High Speed
Function: Linear Motion
Flange Shape: Square/Round
Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
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.

ball bearing

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.

ball bearing

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.

ball bearing

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.

China Professional Linear Bushing Shaft Lm Lme Lmk Lmh 6uu 8uu 10uu 12uu 16uu 20uu 25uu 30uu Ball Bearing   with Best SalesChina Professional Linear Bushing Shaft Lm Lme Lmk Lmh 6uu 8uu 10uu 12uu 16uu 20uu 25uu 30uu Ball Bearing   with Best Sales
editor by CX 2024-05-15

China Best Sales Miniature Bearing 608zz 608 2RS Deep Groove Ball Bearing with Bearing Size 8X22X7mm carrier bearing

Product Description

 

Product Description

 

Deep Groove Ball bearing 608

Main Dimensions & Performance Data

d

25 mm

Bore diameter
D

37 mm

Outside diameter
B

7 mm

Width
Cr

10.600 N

Basic dynamic load rating, radial
C0r

5.000 N

Basic static load rating, radial
Cur

340 N

Fatigue load limit, radial
nG

15.300 1/min

Limiting speed
≈m

0,571 kg

Weight

Mounting dimensions

da min

23,2 mm

Minimum diameter shaft shoulder
Da max

38,8 mm

Maximum diameter of housing shoulder
ra max

0,6 mm

Maximum fillet radius

Dimensions

rmin

0,6 mm

Minimum chamfer dimension
D1

35,45 mm

Shoulder diameter outer ring
D2

37,38 mm

Caliber diameter outer ring
d1

26,55 mm

Shoulder diameter inner ring
d2

25,38 mm

Caliber diameter inner ring

Temperature range

Tmin

-20 °C

Operating temperature min.
Tmax

100 °C

Operating temperature max.

Calculation factors

f0

13,8

Calculation factor

 

Key Features

2RS bearing and ZZ bearing are Precision Metric Ball Bearing manufactured with both sides rubber sealed and shield and is pre-lubricated with Grease allowing it to be ready for use upon delivery. It is a Chrome Steel Metric Ball Bearing that can withstand both moderate radial and axial loads while providing high performance. Our 6000 Series Extra Light Duty Ball Bearings are available either Open, Metal Shielded, or with Rubber Sealed Closures and are pre-lubricated with grease or light oil.

Applications / Industries

Metric Ball Bearings are used in a range of applications and are ideal for limited space applications including Robotics, Vacuum Cleaners, Small Spindles, Dental Drills, Surgical Saws, Cordless Drills, Band Saws, Impact Wrenches, among others.

 

     

    REBBER COVER SEAL
    It can prevent the intrusion of any foreign matter and has a strong dust-proof effect. It is recommended for use in harsh environments.

    IRON COVER SEAL
    Compared with rubber seals, the speed is higher and the dust-proof effect is good. It is recommended when there is dust and no liquid impurities.

    OPEN WITHOUT SEAL
    The rotation speed is higher than the other 2 types, and the rolling resistance is low.

     

    Deep groove ball bearing

    Single row deep groove ball bearings are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than many other bearing types.

    • Simple, versatile and robust design
    • Low friction
    • High-speed capability
    • Accommodate radial and axial loads in both directions
    • Require little maintenance

    More series of deep groove ball bearing
    Tip: Here are only part of the model numbers. Please contact us for full catalog.
     

      Deep Groove Ball Bearing Catalog
    Number Specification Rated Load(KN) Speed(r/min) Weight
      D(mm) D(mm) W(mm) Cr(N) Cor(N) Grease Oil kg
    6000 10 26 8 4.55 1.96 20000 28000 0.019
    6001 12 28 8 5.1 2.39 19000 26000 0.571
    6002 15 32 9 5.6 2.84 18000 24000 0.03
    6003 17 35 10 6.8 3.35 17000 22000 0.039
    6004 20 42 12 9.4 5.05 15000 19000 0.069
    6005 25 47 12 10.1 5.85 13000 17000 0.08
    6006 30 55 13 13.2 8.3 12000 15000 0.116
    6007 35 62 14 16 10.3 10000 13000 0.155
    6008 40 68 15 16.8 11.5 8000 11000 0.185
    6009 45 75 16 21 15.1 7200 9000 0.231
    6571 50 80 16 21.8 16.6 6400 7800 0.25
    6011 55 90 18 28.3 21.2 5700 7000 0.362
    6012 60 95 18 29.5 23.2 5300 6300 0.385
    6013 65 100 18 30.5 25.2 5040 6000 0.421
    6014 70 110 20 38 31 4800 5600 0.604
    6015 75 115 20 39.5 33.5 4480 5360 0.604
    6016 80 125 22 47.5 40 4240 5040 0.854
    6017 85 130 22 49.5 43 4000 4800 0.89
    6018 90 140 24 58 49.5 3840 4480 1.02
    6019 95 145 24 60.5 54 3600 4240 1.08
    6571 100 150 24 60 54 3440 4000 1.15
    6571 105 160 26 72.5 65.5 3200 3840 1.59
    6571 110 170 28 82 73 3040 3600 1.96
    6571 120 180 28 85 79.5 2720 3200 2.07
    6026 130 200 33 106 101 2560 3040 3.16
    6571 140 210 33 110 109 2400 2880 3.35
    6030 150 225 35 126 126 2080 2560 4.08
    6032 160 240 38 143 144 1920 2400 5.05

    6200 10 30 9 4.056 1.888 19200 24000 0.032
    6201 12 32 10 5.512 2.48 17600 22400 0.037
    6202 15 35 11 6.24 3 15200 19200 0.045
    6203 17 40 12 7.648 3.8 13600 16000 0.065
    6204 20 47 14 10.16 5.24 12000 14400 0.11
    6205 25 52 15 11.2 6.24 9600 12000 0.13
    6206 30 62 16 15.6 8.96 8000 10400 0.2
    6207 35 72 17 20.4 12.24 7200 8800 0.29
    6208 40 8 18 24.56 15.2 6800 8000 0.37
    6209 45 85 19 26.56 17.28 6000 7200 0.41
    6210 50 90 20 28.08 18.56 5600 6800 0.46
    6211 55 100 21 34.88 23.2 5040 6000 0.61
    6212 60 110 22 38 26 4800 5600 0.78
    6213 65 120 23 44.72 32.4 4240 5040 0.99
    6214 70 125 24 48.4 36 4000 4800 1.05
    6215 75 130 25 53.04 39.2 4480 5360 1.2
    6216 80 140 26 56.16 44 3600 4240 1.4
    6217 85 150 28 66.56 51.2 3440 4000 1.8
    6218 90 160 30 76.48 58.8 3040 3600 2.15
    6219 95 170 32 86.4 65.2 2880 3440 2.6
    6220 100 180 34 99.2 74.4 2720 3200 3.15
    6221 105 190 36 106.4 83.2 2560 3040 3.7
    6222 110 200 38 114.4 94.4 2400 2880 4.35
    6224 120 215 40 116.8 94.4 2240 2720 5.15
    6226 130 230 40 124.8 105.6 2080 2560 5.8
    6228 140 250 42 132 120 1920 2400 7.45
    6230 150 270 45 139.2 132.8 1600 2080 9.4
    6232 160 290 48 148.8 148.8 1520 1920 14.5
    6234 170 310 52 169.6 179.2 1520 1920 17.5
    6236 180 320 52 183.2 192 1440 1760 18.5
    6238 190 340 55 204 224 1360 1600 23
    6240 200 360 58 216 248 1360 1600 28
    6244 220 400 65 236.8 292 1200 1440 37
    6248 240 440 72 286.4 380 1040 1280 51
    6252 260 480 80 312 424 880 1120 65.5
    6256 280 500 80 338.4 480 880 1120 71

    6300 10 35 11 6.448 2.72 16000 20800 0.053
    6301 12 37 12 7.8 3.32 15200 19200 0.06
    6302 15 42 13 9.12 4.32 13600 16000 0.082
    6303 17 47 14 10.8 5.24 12800 15200 0.12
    6304 20 52 15 12.72 6.24 10400 12800 0.14
    6305 25 62 17 18 9.28 8800 11200 0.23
    6306 30 72 19 22.48 12.8 7200 8800 0.35
    6307 35 80 21 26.56 15.2 6800 8000 0.46
    6308 40 90 23 32.8 19.2 6000 7200 0.63
    6309 45 100 25 42.16 25.2 53600 6400 0.83
    6310 50 110 27 49.44 30.4 5040 6000 1.05
    6311 55 120 29 57.2 36 4480 5360 1.35
    6312 60 130 31 65.52 41.6 4000 4800 1.7
    6313 65 140 33 73.84 48 3840 4480 2.1
    6314 70 150 35 83.2 54.4 3600 4240 2.5
    6315 75 160 37 91.2 61.2 3440 4000 3
    6316 80 170 39 99.2 69.2 3040 3600 3.6
    6317 85 180 41 106.4 77.2 2880 3440 4.25
    6318 90 190 43 114.4 86.4 2720 3200 4.9
    6319 95 200 45 122.4 94.4 2560 3040 5.65
    6320 100 215 47 139.2 112 2400 2880 7
    6321 105 225 49 145.6 122.4 2240 2720 8.25
    6322 110 240 50 162.4 144 2080 2560 9.55
    6324 120 260 55 166.4 148.8 1920 2400 14.5
    6326 130 280 58 183.2 172.8 1760 2240 18
    6328 140 300 62 200.8 196 1600 2080 22
    6330 150 320 65 220.8 228 1520 1920 26
    6332 160 340 68 220.8 228 1440 1760 29
    6334 170 360 72 249.6 272 1360 1600 34.5
    6336 180 380 75 280.8 324 1280 1600 42.5
    6338 190 400 78 296.8 344 1280 1520 49
    6340 200 420 80 301.6 372 1200 1440 55.5
    6344 220 460 88 328 416 1040 1280 72.5

     

    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

    Bearing Type: Deep Groove Ball Bearing
    Precision Rating: P0 P6 P5 P4 P2 or ABEC1 ABEC3 ABEC5 ABEC7 ABEC9
    Bearing Clearance: C0/C3/C4
    Vibration: Z1V1, Z2V2, Z3V3; Z4V4
    Seals Type: Zz 2RS Open
    Hardness: 58-62 HRC
    Samples:
    US$ 0/Piece
    1 Piece(Min.Order)

    |
    Request Sample

    Customization:
    Available

    |

    Customized Request

    ball bearing

    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.

    ball bearing

    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.

    ball bearing

    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.

    China Best Sales Miniature Bearing 608zz 608 2RS Deep Groove Ball Bearing with Bearing Size 8X22X7mm   carrier bearingChina Best Sales Miniature Bearing 608zz 608 2RS Deep Groove Ball Bearing with Bearing Size 8X22X7mm   carrier bearing
    editor by CX 2024-05-14

    China Best Sales Japan Quality 6002-2RS Deep Groove Ball Bearing 15*32*9mm CZPT Parts carrier bearing

    Product Description

    JAPAN Quality 6002-2RS Deep Groove Ball Bearing 15*32*9mm CZPT Parts
     

    Bearing Specification :

    Model Number 6002-2RS
    Bearing Name Deep Groove Ball Bearing
    Feature Miniature
    Brand FSK / KBE / SKB / OEM
    Material Bearing Steel
    Number of Row Single Row
    Dimensions(mm)(d*D*b) 15*32*9mm
    Weight / Mass ( KG ) 0.032kg
    HS Code  8482800000
    Original Country Show CHINA

    Bearings Detailed Pictures:


    FSK Bearing Other RNAV , NAV Series Bearings:

           
    Bearing Numnber ID OD Width  Basic Dynamic Load Cr(N)  Basic Static Load Cor(N)  Limited Speed
    OPEN ZZ Grease Oil
    *1000rpm
    681 1 3 1 96 26 130 150
    691 4 1.6 141 37 100 120
    681x ZZ 1.5 4 1.2 2 112 33 100 120
    691xZZ 5 2 2.6 169 50 85 100
    601xZZ 6 2.5 3 330 99 75 90
    682ZZ 2 5 1.5 2.3 169 50 85 100
    MR52ZZ 5 2 2.5 169 50 85 100
    692ZZ 6 2.3 3 330 99 75 90
    MR62ZZ 6 2.5 2.5 330 99 75 90
    MR72ZZ 7 2.8 3 386 129 63 75
    602ZZ 7 2.8 3.5 386 129 60 71
    682XZZ 2.5 6 1.8 2.6 209 74 71 80
    692XZZ 7 2.5 3.5 386 129 63 75
    MR82X 8 2.5 558 180 60 67
    602XZZ 8 2.8 4 552 177 60 71
    MR63ZZ 3 6 2 2.5 209 74 71 80
    MR73ZZ(683) 7 2 3 311 112 63 75
    MR83ZZ 8 2.5 3 395 141 60 67
    693ZZ 8 3 4 558 180 60 67
    MR93ZZ 9 2.5 4 571 189 56 67
    603ZZ 9 3 5 571 189 56 67
    623ZZ 10 4 4 631 219 50 60
    633ZZ 13 5 5 1301 488 40 48
    MR74ZZ 4 7 2 2.5 255 108 60 67
    MR84ZZ 8 2 3 395 141 56 67
    684ZZ 9 2.5 4 641 227 53 63
    MR104ZZ 10 3 4 711 272 48 56
    694ZZ 11 4 4 957 350 48 56
    604ZZ 12 4 4 957 350 48 56
    624ZZ 13 5 5 1301 488 40 48
    634ZZ 16 5 5 1340 523 36 43
    MR85ZZ 5 8 2 2.5 218 90 53 63
    MR95ZZ 9 2.5 3 431 169 50 60
    MR105ZZ 10 3 4 431 169 50 60
    MR115ZZ 11 4 716 282 45 53
    685ZZ 11 3 5 716 282 45 53
    695ZZ 13 4 4 1077 432 43 50
    605ZZ 14 5 5 1329 507 40 50
    625ZZ 16 5 5 1729 675 36 43
    635ZZ 19 6 6 2336 896 32 40
    MR106ZZ 6 10 2.5 3 496 218 45 53
    MR126ZZ 12 3 4 716 295 43 50
    686ZZ 13 3.5 5 1082 442 40 50
    696ZZ 15 5 5 1340 523 40 45
    606ZZ 17 6 6 2263 846 38 45
    626ZZ 19 6 6 2336 896 32 40
    636ZZ 22 7 7 3333 1423 30 36
    MR117ZZ 7 11 2.5 3 455 202 43 50
    MR137ZZ 13 3 4 541 276 40 48
    687ZZ 14 3.5 5 1173 513 40 50
    697ZZ 17 5 5 1605 719 36 43
    607ZZ 19 6 6 2336 896 36 43
    627ZZ 22 7 7 3287 1379 30 36
    637ZZ 26 9 6 4563 1983 28 34
    MR128ZZ 8 12 2.5 3.5 543 274 40 48
    MR148ZZ 14 3.5 4 817 386 38 45
    688ZZ 16 4 5 1252 592 36 43
    698ZZ 19 6 6 2237 917 36 43
    608ZZ 22 7 7 3293 1379 34 40
    628ZZ 24 8 8 3333 1423 28 34
    638ZZ 28 9 9 4563 1983 28 34
    679ZZ 9 14 3 4.5 919 468 36 42
    689ZZ 17 4 5 1327 668 36 43
    699ZZ 20 6 6 2467 1081 34 40
    609ZZ 24 7 7 3356 1444 32 38
    629ZZ 26 8 8 4575 1983 28 34
    639ZZ 30 10 10 4659 2080 24 30
    6700zz 10 15 4 4 855 435 15 17
    6800zz 19 5 5 1716 840 37 43
    6900zz 22 6 6 2695 1273 34 41
    6000zz 26 8 8 4550 1970 30 36
    6200zz 30 9 9 5100 2390 24 30
    6300zz 35 11 11 8100 3450 22 26
    6701zz 12 18 4 4 926 530 13 15
    6801zz 21 5 5 1915 1041 33 39
    6901zz 24 6 6 2886 1466 31 36
    6001zz 28 8 8 5100 2370 28 32
    6201zz 32 10 10 6800 3050 22 28
    6301zz 37 12 12 9700 4200 990 425
    6702zz 15 21 4 4 937 582 11 13
    6802zz 24 5 5 2073 1253 28 33
    6902zz 28 7 7 4321 2259 26 30
    6002zz 32 9 9 5600 2830 24 28
    6202zz 35 11 11 7650 3750 20 24
    6302zz 42 13 13 11400 5450 17 20
    6703zz 17 23 4 4 1000 658 9.5 11
    6803zz 26 5 5 2233 1456 26 30
    6903zz 30 7 7 4588 2565 23 38
    6003zz 35 10 10 6000 3250 22 26
    6203zz 40 12 12 9550 4800 17 20
    6303zz 47 14 14 13600 6650 15 18

    Other Bearings We Offer:

    Hot Sales in our company
    1. deep groove ball bearing 6000,6200,6300,6400,61800,61900,Z,RS,ZZ,2RS
    2. spherical roller bearing 22200,22300,23000,24000,23100,24100,CA,CC,E,W33
    3. cylindrical roller bearingN,NU,NJ,NN,NUP,E,ECP,ECM,ECJ
    4. taper roller bearing 35710,30300,32200,32300,31300,32000
    5. Aligning ball bearing 1200,1300,2200,2300,
    6. needle roller bearing NA,NAV,NK,NKI,RNA,NK,RNAV,ZKLF,ZKLN,ZARF,ZARN
    7. thrust ball bearing 51100,51200,51300,51400,E,M
    8. angular contact ball bearing7000,7100,7200,7300,AC,BECBM,C
    9. spherical plain bearing GE,GEG,GEEW,U,UC,UG,GX,GAC,SA,SABP

    Our Advantage:

    About FSK Factory Condition :

    FAQ:
    1.How can I get the bearing price?
    Mike: You can leave your message on Alibaba, or conact us directly by email, , SkYPE, Viber. Tell us your quantity, usually 2-5 hours you will get the price.
    2.How can I buy them?
    Mike: You can place order on Alibaba, or pay the payment by Western Union, Paypal, T/T and L/C.
    3. How long I can get these bearings?
    Mike: for small order, we will delivery the bearings in 1-2 days after recive your payment. usually 3-5 days will arrive in your place by international express, such as DHL, TNT, UPS and so on. For big order, please contact us.
    4.How to protect the bearing quality?
    Mike: All procudts passed ISO9001:2008 and ISO14000 certificates. we can accept small sample order, you can check the quality.
    5. Other service.
    Mike: We can offer OEM service according to your demand.
     
    FSK Bearing Company Advantages:
    (1) We have first-class testing equipment to detect bearing various data parameters and control the quality of the bearing.
    Whenever bearings must first detected whether the quality is qualified and the unqualified bearing will be eliminated directly.
    So we can get the trust of a large number of customers, and supply them for several years.
    (2) We have our own R & D capabilities, to help customers solve the problem of non-standard bearings.
    We can also according to customer requirements change their own mark.
    (3) Price, our manufacture ensure that our prices across China are quite competitive.
    It is better for you to compare prices and quality among suppliers.
    But everyone knows you can not buy the highest quality products with the lowest price,
    but our product is the best quality if you use equal price.
     
    FSK Cooperation Details
    Delivery:
    For Small weight or ungent ,we send by express UPS,DHL,FEDEX, or EMS,china post with Thracking number
    For max production , we will ship by sea/air.
    Payment Item:
    TT, 30% deposit , 70% before shippment.
    L/C At Sight
    Paypal Or Western Union In advance
    Service:
    Trade Assurance
    Payment Protection
    Timely Delivery Guaranteed
    Product Qualtity Protection

    JAPAN Quality 6002-2RS Deep Groove Ball Bearing 15*32*9mm CZPT Parts , Get Cheap Price from China Bearing Factory Now !

    /* 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

    Bearing Number: 6002-2RS Bearing
    Service: OEM ODM
    Quality: P6 P5
    Samples:
    US$ 0.5/Piece
    1 Piece(Min.Order)

    |

    Order Sample

    Customization:
    Available

    |

    Customized Request

    .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.
    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.

    ball bearing

    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.

    ball bearing

    What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?

    Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:

    • Effective Sealing:

    Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.

    • Clean Environment:

    Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.

    • Proper Handling:

    Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.

    • Clean Tools and Equipment:

    Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.

    • Contamination-Controlled Workstations:

    Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.

    • Proper Lubrication:

    Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.

    • Regular Inspections:

    Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.

    • Training and Education:

    Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.

    • Environmental Controls:

    In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.

    • Regular Cleaning and Maintenance:

    Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.

    • Selection of Suitable Bearings:

    Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.

    By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.

    ball bearing

    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.

    China Best Sales Japan Quality 6002-2RS Deep Groove Ball Bearing 15*32*9mm CZPT Parts   carrier bearingChina Best Sales Japan Quality 6002-2RS Deep Groove Ball Bearing 15*32*9mm CZPT Parts   carrier bearing
    editor by CX 2024-05-09

    China Best Sales All Types of Bearing Single Row Deep Groove Ball Bearings Sizes bearing air

    Product Description

    Product Description

     

                                                  

    Structure and Parts of Bearings
    Cage
    In daily operations, cage will be subjected not only to mechanical action from friction, tension and inertial force, but to chemical reaction from lubricants, additives, solvents or coolants. Therefore, design and materials of cage are very inportant for its performance and the reliability of bearing in usage.
    Flate/FUDA offers the following kinds of cage for deep groove ball bearings:
    Materials of Bearings
    Materials for bearing rings and parts largely determine the bearing’s performance and life. FLATE/FUDA puts more efforts to select materials for bearing rings and part suppliers in a rigorous manner.
    Materials and components of bearing rings for FLATE/FUDA bearings are provided by the world’s top suppliers special for serving bearign manufacturers, fundamentally solvign the issue that our bearings lag behind imported bearings in terms of materialsfor a long time.
    FLATE boasts a set of strict and polished incoming goods inspection system. Before being put into storage, every batch of steels and parts is under systemic inspection, including analysis of material composition, metallographice analysis, accuracy check, assembly test, etc.
    Materials for Bearing Ring and Roller Body
    Bearing ring and roller body are mainly made of high C-Cr bearing steel. Listed below are compositions of material for bearing ring and roller body.

    Steel Code Chemical composition%
    Gcr15
    SAE52100
    DIN 100 Cr6
    JIS SUJ2
    C Si Mn P S Cr Mo Cu Ni
    0.95-1.05 0.15-0.35 0.25-0.45 <0.571 <0.571 1.40-1.65 <0.25 <0.30

    Material for bearing ring and roller body mainly consists of high C-Cr bearing steel.
    Material of cages
    Material of cages need good wear resistance, stable size and metal strength. Therefore, operation environment should be mainly considered in selection of material of cages.
    Drawing steel sheet cage
    These light cages hold a high strength with reduced friction and wear in an effective way after surface treatment. The following table covers compositions of material for cold-rolled steel sheet.

    Steel code Chemical Composition%
    JISG 3141
    SPCC
    C Si Mn P S Ni Cr
    <0.12 <0.5 <0.04 <0.045

    Brass cage
    Cut brass cage is adopted in small and medium bearings. However, brass cage is not suitable for compressors with ammonia cooling due to potential seasonal cracking of brass. It is recommended to replace it with iron cage.
    Nylon cage
    According to the type and usage of bearings, nylon cages are widely adopted, but they are inappropriate for environments where the temperature is above 120ºC or below 40 ºC. Most of cast molding cages adopt nylon PA66 material, with or without glass fiber reinforcement whose advantage is a good combination of strength and elasticity.
    Materials for dust shield and seal ring
    Material for dust shield
    FLATE/FUDA bearings use cold-rolled tin plate as the standard mateiral for dust shields, but also use stainless steel of AISI-300 specification at times.
    Material for seal ring
    Seal rings are mainly made of NBR. For high temperature, fluororubbers and silicon rubbers are widely used as well.

    Type ASTM D1418 Name Temperature Range Hardness
    (Shore A)
    Features Restriction
    Nitrile butaduene rubber NBR -40ºC~120ºC 40-90 Low compression
    High ductility
    High corrosion resistance
    superior oil resistance
    Unsuitable for high temperature conditions;
    No exposure to the sun and corrosion of chemicals
    Silicon rubber MQ/PMQ
    VMQ/PVMP
    -70ºC~200ºC 25-80 High temperature resistance
    Desiccation resistance
    Sunshine resistance
    aging resistance to ozone
    Poor surface abrasion performance and crack resistance, higher wear resistance
    Hydrogenated
    (nitrile-butadiene rubber)
    HNBR/NEM -35ºC~65ºC 50-90 Heat resistance
    High ductility
    Chemical resistance
    Unsuitable for high temperature conditions and shall avoid exposure to the sun and corrosion of chemicals
    Fluororubber FKM/FPM -28ºC~200ºC 50-95 High temperature resistance
    Significant chemical resistance
    corrosion resistance to petroleum products
    It is not suitable for working conditions of low temperature.
    ACM rubber ACM Rubber -18ºC~175ºC 40-90 Stronger resistance to hot oil
    Sunlight and ozone
    Higher crack resistance
    poor waterproof performance;
    unsuitable for working condition of ultra-low temperature
    Warning:flurorubber is safe and harmless under normal working condition of below 200ºC, but it will give off smoke if the temperature exceeds the ultimate temperature of 300ºC that is equivalent to flame for cutting steel tubes. Inhalation of the smoke is harmful to human bodies including eyes. In addition, the smoke should be avoided to contact skin.

    Lubrication of Bearings

    Grease lubrication Lipid lubricants are much easier to use than oil lubricants. Due to its ciscosity,grease is more durable and only needs simple sealing equipment to contain. Grease is hard to be changed, beacause the usual approach of it is to press grease into device to make fresh grease squeeze used grease out. General speaking, grease with low viscosity primary oil is more suitable for high speed operations at low temperature, while grease with high viscosity primary oil is suitable for heavy load.
    Oil lubrication Oil lubrication is more suitbale for applications under conditions of high speed and high temperature, effectively taking the heat generated in operation of bearings away. Viscosity of oil determines the effects of oil lubrication. Low viscosity will lead to inadequate formation of oil film, while high viscosity will increase viscous drag and temperature. In general, the higher rotational speed is the lower viscosity of lubricant oil will be; the larger load is, the higher viscosity of lubricant oil will be.
    Primary oil In grease, primary oil accounts for 75-96%. In mass fraction, the performance of grease mainly relies on the nature of primary oil. Particularly when it is with cold flow property and at high temperature, its service life is bound up with primary oil. Grease with low viscosity primary oil is usually applicable to low temperature and low load, while lubrication grease with high viscosity primary oil is applied to high temperature and high load. Primary oil used in grease includes mineral oil and synthetic oil. The commonly used synthetic primary oils contain lipid oil, sythetic hydrocarbon oil, perfluoropolyether, silicon oil and PPO, etc.
    Thickener Thickener generally accounts for 4~20% in mass fraction. Its functions are to suspend primaty oil, reduce the flow of primaty oil, and increase adhesion of oil to friction surface. Thickener has 2 categories: metallic soap base and non-metallic soap base. Critical operating temperature, mechanical stability, water resistance and other properties of grease are determined by thickener, for example, sodium soap base can react with water to form a kind of latex, which can not be applied to running bearing in the atomsphere of high temperature.
    Additive In grease, primary oil accounts for 0.5~10%. In mass fraction, which is used for the improvement of operating performance and life of grease. Accordign to the classification by function, it can be divided into thickener(strong adhesion), antioxidant, extreme-pressure additive, corrosion inhibitor,etc.

      /* 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: 45°
    Aligning: Aligning Bearing
    Separated: Unseparated
    Rows Number: Single
    Load Direction: Radial Bearing
    Material: AISI440, 440c, 304
    Samples:
    US$ 0/Piece
    1 Piece(Min.Order)

    |
    Request Sample

    Customization:
    Available

    |

    Customized Request

    ball bearing

    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.

    ball bearing

    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.

    ball bearing

    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.

    China Best Sales All Types of Bearing Single Row Deep Groove Ball Bearings Sizes   bearing airChina Best Sales All Types of Bearing Single Row Deep Groove Ball Bearings Sizes   bearing air
    editor by CX 2024-05-03

    China supplier CZPT High Precision 6012-2RS/C3 6200-2RS/C3 Ball Bearing 6201-2RS/C3 6202-2RS/C3 for Instrumentation with Best Sales

    Product Description

    PRODUCT INFO.

    Name KOYO High Precision 6012-2RS/C3 6200-2RS/C3 ball bearing 6201-2RS/C3 6202-2RS/C3 for instrumentation
    Brand KOYO OEM famous brands (NTN CZPT CZPT URB ETC)
    Origin China  p.r.o.c.
    Material Chrome steel , carbon steel , stainless steel
    Precision P0  P6  P5 / abec1 abec3 abec5
    Net Weight : Contact us, get more detailed – Net Weight parameters
    Material : Bearing steel,chrome steel , steel less ,carbon steel
    Number of Rows : According to specific product, we can custom-made for you

    Single row deep groove ball bearings are most frequently used bearing type. They are versatile, self-retaining bearings with solid outer rings, inner rings and ball and cage assemblies. Due to their low frictional torque, they are suitable for high and even very high speeds and are robust in operation, little maintenance. Due to the raceway geometry and the balls used as rolling elements, deep groove ball bearings can support relatively high radial loads, as well as small axial loads.

    DEEP GROOVE BALL BEARINGS SINGLE ROW & DOUBLE ROWS

    Subject Symbol Description
    Seal type ZZ Metal shields on both sides.
    2RS Rubber seals on both sides.
    Z Metal shield on 1 side.
    RS Rubber seal on 1 side.
     Radial internal clearance C2 Less than normal.
    CN Normal clearance. Is not indicated as a standard.
    C3 Greater clearance than normal.
    C4 Greater than C3.
    C5 Greater than C4.
    Other technical modifications NR Groove with inserted snap ring in outer ring.
    N Snap ring groove in the outer ring.
    SS Stainless steel.
    Cage type M Brass cage ball guided.
    MB Brass cage, inner ring centered.
    MA Brass cage, outer ring centered.
    Speed ratings V Normal vibration level. Is not indicated as a standard.
    V2 Lower vibration level than normal.
    V3 Lower vibration level than V2.
    V4 Lower vibration level than V3.
    Tolerances P0 Normal tolerance level. Is not indicated as a standard.
    P6 Greater tolerance level than P0.
    P5 Greater tolerance level than P6.

    OTHER MODELS WE CAN OFFER 

    ISO GOST Dimensions (mm) Basic Load Rating (N) Limitting speed ( r/min ) Weight
    Lubrication
    d D B Dyn. C Stat. C0 Grease Oil
    6306 306 30 72 19 28100 16000 10000 12000 0.36
    6306 ZZ 80306 30 72 19 28100 16000 10000 12000 0.36
    6306 2RS 180306 30 72 19 28100 16000 6300 0.36
    6307 307 35 80 21 33200 19000 8800 10000 0.467
    6307 ZZ 80307 35 80 21 33200 19000 8800 10000 0.467
    6307 2RS 180307 35 80 21 33200 19000 6000 0.467
    6308 308 40 90 23 41000 24000 7800 9200 0.64
    6308 ZZ 80308 40 90 23 41000 24000 7800 9200 0.64
    6308 2RS 180308 40 90 23 41000 24000 5000 0.64
    6309 309 45 100 25 52700 31500 7000 8200 0.843
    6309 ZZ 80309 45 100 25 52700 31500 7000 8200 0.843
    6309 2RS 180309 45 100 25 52700 31500 4500 0.843
    6310 310 50 110 27 61800 38000 6400 7500 1.097
    6310 ZZ 8571 50 110 27 61800 38000 6400 7500 1.097
    6310 2RS 18571 50 110 27 61800 38000 4300 1.097


    FAQ ?

    1. Q: When can I get the price?
     A:  after we get your inquiry, usually within 2-6 hours. Urgent will be faster.
    2. Q:How about your quality of bearings?
       A:Our quality of bearings is based on ISO9001 and quality of bearing is our soul.
    2. Q: Can I get free samples for test from your company?
        A: YES, Standard samples are available.
    3. Q: What is the MOQ of your products?
      A: Usually ≥1, According your demand.
    4. Q: How about the Delivery time?
        A: About 3-15days. (according your quantity of bearing.)
    5. Q: Will you check these products before shipment?
        A: Yes, before shipment products will be strictly inspection on our factory QC Process System.We have a professional QC team.
    7. Q: What will we do if If you are not satisfied with the product?
        A: If have any abnormal, Please contact us at first time, we will immediately processing.
    8. Q:  How long will you response for our problems?
        A: We will respond within 1 hour. 24 hours to solve your problem.

      /* 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: 1
    Aligning: Non-Aligning Bearing
    Separated: Unseparated
    Rows Number: Single
    Load Direction: Radial Bearing
    Material: Bearing Steel
    Customization:
    Available

    |

    Customized Request

    ball bearing

    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.

    ball bearing

    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.

    ball bearing

    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.

    China supplier CZPT High Precision 6012-2RS/C3 6200-2RS/C3 Ball Bearing 6201-2RS/C3 6202-2RS/C3 for Instrumentation   with Best SalesChina supplier CZPT High Precision 6012-2RS/C3 6200-2RS/C3 Ball Bearing 6201-2RS/C3 6202-2RS/C3 for Instrumentation   with Best Sales
    editor by CX 2024-04-26

    China Best Sales Spherical Bearings for Highway Bridges and Express Bridges Slide Type Ball Bearing Bridges carrier bearing

    Product Description

    Product Description

    Professional production and sales:
    plate rubber bearing, basin bearing, ball bearing grid steel structure bearing, isolation bearing, bridge expansion joint and other bridge engineering materials

    1, GPZ series basin rubber bearing performance and classification

    l Fixed support: only with vertical rotation performance, code GD.

    l Unidirectional movable support: with vertical rotation and single direction slip performance, code DX.

    l Bidirectional movable support: with vertical rotation and longitudinal and transverse slip performance, code SX.

    2. GPZ series basin rubber bearing is suitable for temperature range

    l room temperature support: suitable for -25 ~ +60C

    l Plug type support, suitable for -40+60ºC, code F.

    3. Technical performance of GPZ series basin rubber bearing.

    l Vertical Angle of the support is not less than 40 degrees.

    Vertical bearing capacity (KN)1000-5000 is divided into 28 levels, and the horizontal hand load on the non-sliding surface is 10% of the vertical load.

    l Displacement is shown in the table

    l calendar wipe coefficient: room temperature type u≤0.04 Plug type u≤0.06

    Company Profile

     

    HangZhou Xihu (West Lake) Dis. Engineering Rubber Co., LTD. (formerly HangZhou Hudong Rubber Factory) was founded in 1985. Located in HangZhou Xihu (West Lake) Dis. New District, covers an area of 26400 square meters, building area of 10,000 square meters. Currently, there are 218 employees, including 56 professional and technical personnel and 30 management personnel, with registered capital of 100.01 million yuan, fixed assets of 30 million yuan, and annual output value of 80 million yuan. There are 4 workshops for expansion joints, machining, vulcanization and rubber rolling. Expansion joint workshop is equipped with equipment: various models of shot blasting drum 18 sets, electrostatic spraying machine 9 sets, semi-automatic cutting machine 12 sets, copying cutting machine 12 sets, various models of electric welding machine 100 sets, steel bar cutting machine 10 sets, bending machine 10 sets.
    The annual production capacity is: bridge expansion joint more than 50,000 meters, basin type rubber bearing more than 10,000 sets, plate rubber bearing more than 500,000 pieces, rubber water stop zone more than 200,000 meters, more than 50,000 sets of grid support.

    Our Advantages

     

    Packaging & Shipping

     

    Certifications

     

    FAQ

    1.     Are you factory or trading company ? can you send sample to us and how long could it take? We are a factory, we can mail samples, the specific time depends on the express delivery.
    2.    Can we have them with different performance or our own design? Can be customized according to your drawings
    3.  What is your MOQ ? The minimum order quantity is determined according to the product type
    4.    Can I print your logo on the carton box? Yes
    5.    Do you offer customized packaging  ? Custom packaging is available
    6.    Any discount ? The specific price can be discussed

     

    /* 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: Online Technical Guidance
    Warranty: 1-3 Years
    Certification: GB
    Usage: Beam Bridge, Highway Bridge, Railroad Bridge
    Structure: Laminated Rubber Bearing
    Material: Rubber Bearing
    Customization:
    Available

    |

    Customized Request

    ball bearing

    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.

    ball bearing

    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.

    ball bearing

    What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?

    Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:

    • Load Type and Magnitude:

    Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.

    • Speed and Operating Conditions:

    Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.

    • Accuracy and Precision:

    For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.

    • Space Limitations:

    If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.

    • Thrust and Radial Loads:

    Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.

    • Alignment and Misalignment:

    If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.

    • Mounting and Installation:

    Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.

    • Lubrication and Maintenance:

    Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.

    • Environmental Conditions:

    Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.

    • Bearing Material:

    Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.

    • Bearing Arrangement:

    Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.

    By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.

    China Best Sales Spherical Bearings for Highway Bridges and Express Bridges Slide Type Ball Bearing Bridges   carrier bearingChina Best Sales Spherical Bearings for Highway Bridges and Express Bridges Slide Type Ball Bearing Bridges   carrier bearing
    editor by CX 2024-04-26

    China best 20 Inch Cold Rolled Steel Drawer Slides Ball Bearing Load 45kg with Best Sales

    Product Description

    Packaging & Delivery

    Package size per unit product

    61.50cm * 27.50cm * 11.50cm

    Gross weight per unit product

    21.300kg

     

     

    Product Description

     

     

    Mail packing

    Y

    Application

    Kitchen, Bathroom, Home Office, Living Room, Dining

    Design Style

    Contemporary

    Place of Origin

      ZheJiang , China

    Brand Name

    MJYC

      Thickness    0.8*0.8*0.8 / 0.9*0.9*0.9 /1.0*1.0*1.0

    Usage

    drawer

    Type

    full-extension drawer slide

    Material

    work hardened cold rolled steel

    Product name

    Cabinet drawer slide

    Size:Thickness

    1.0*1.0*1.0mm/1.2*1.2*1.2mm

    Length range

    250-600mm

    Load rating

    35KGF

    Special Function

    Soft closing

    Installation

    Side Installation

    Cycle test

    50000 times

    Salt spray test

    48hrs

    Sample

    For free

    Detailed Photos

    FAQ:

    Q1:What’s the minimum order quantity for the first purchasing?
    A1:Normally 1000sets/size is OK.

    Q2:How can we get to know the quality before placing an order?
    A2:Samples can be provided for quality testing.

     Q3:How can we get samples from you?
    A3:Free samples can be provided,you just to need take care of the freight by below three ways.
    Offering us the courier account
    Arranging pick-up service
    Paying the freight to us by bank transfer.

     Q4:What’s loading capacity for 20ft container?
    A4:Max loading capacity is 22tons,exact loading capacity depends on the slide model you choose and the country you come from.For further information,please contact us.
    Q5:How long is the delivery time?
    A5:25-35.,.

    Q6:What’s the payment terms?
    A6:Normally it is ” 30% deposit by T/T, and 70% Balance pay before shipment or against the BL copy”, it depends. Or we can discuss with each other basing on your requirements.

    Q7:What should we do if quality defects occurred after received the goods?
    A7:Please kindly send us photos with detailed descriptions by email, we will solve it for you immediately,refund or exchange will be arranged once been verified.

    Q8:Is it possible to load mix-products in one container?
    A8:Yes,it’s available and we can arrange all these for you. /* 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: Stainless Steel
    Rail: Linear
    Structure: Three Knots
    Samples:
    US$ 5/Piece
    1 Piece(Min.Order)

    |

    Order Sample

    Customization:
    Available

    |

    Customized Request

    .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.
    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.

    ball bearing

    What are the Materials Typically Used in Manufacturing Ball Bearings and Their Advantages?

    Ball bearings are manufactured using a variety of materials, each chosen for its specific properties and advantages in various applications. Here are some commonly used materials in ball bearing manufacturing and their respective benefits:

    • High-Carbon Chrome Steel (AISI 52100):

    This is the most common material used for ball bearing manufacturing. It offers excellent hardness, wear resistance, and fatigue strength. High-carbon chrome steel bearings are suitable for a wide range of applications, from industrial machinery to automotive components.

    • Stainless Steel (AISI 440C, AISI 304, AISI 316):

    Stainless steel bearings are corrosion-resistant and suitable for applications where moisture, chemicals, or exposure to harsh environments are concerns. AISI 440C offers high hardness and corrosion resistance, while AISI 304 and AISI 316 provide good corrosion resistance and are often used in food and medical industries.

    • Ceramic:

    Ceramic bearings use silicon nitride (Si3N4) or zirconia (ZrO2) balls. Ceramic materials offer high stiffness, low density, and excellent resistance to corrosion and heat. Ceramic bearings are commonly used in high-speed and high-temperature applications, such as in aerospace and racing industries.

    • Plastic (Polyamide, PEEK):

    Plastic bearings are lightweight and offer good corrosion resistance. Polyamide bearings are commonly used due to their low friction and wear properties. Polyether ether ketone (PEEK) bearings provide high-temperature resistance and are suitable for demanding environments.

    • Bronze:

    Bronze bearings are often used in applications where self-lubrication is required. Bronze has good thermal conductivity and wear resistance. Bearings made from bronze are commonly used in machinery requiring frequent starts and stops.

    • Hybrid Bearings:

    Hybrid bearings combine steel rings with ceramic balls. These bearings offer a balance between the advantages of both materials, such as improved stiffness and reduced weight. Hybrid bearings are used in applications where high speeds and low friction are essential.

    • Specialty Alloys:

    For specific applications, specialty alloys may be used to meet unique requirements. For example, bearings used in extreme temperatures or corrosive environments may be made from materials like titanium or hastelloy.

    • Coated Bearings:

    Bearings may also be coated with thin layers of materials like diamond-like carbon (DLC) or other coatings to enhance performance, reduce friction, and improve wear resistance.

    The choice of material depends on factors such as application requirements, operating conditions, load, speed, and environmental factors. Selecting the right material is essential for ensuring optimal bearing performance, longevity, and reliability in diverse industries and applications.

    ball bearing

    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.

    ball bearing

    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.

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    editor by CX 2024-04-16

    China Best Sales Motorcycle Parts Deep Groove Ball Bearing for 6001-2RS bearing driver kit

    Product Description

    Product Description

    Deep groove ball bearings mainly bear radial load as well as take moderate axial load. With less coefficient of friction, high limiting speed, large size range and variations of structure, deep groove ball bearings are suitable for precision instruments, low noise motors, automobiles, motorcycles, air-conditioners, washers, cleaners and other common machineries as a widely used type of bearings in machinery industry.

    Related Bearings

    Part Number

    ID OD Bore Size
    6000 10 26 8 10*26*8
    6001 12 28 8 12*28*8
    6002 15 32 9 15*32*9
    6003 17 35 10 17*35*10
    6004 20 42 12 20*42*12
    6005 25 47 12 25*47*12
    6200 10 30 9 10*30*9
    6201 12 32 10 12*32*10
    6202 15 35 11 15*35*11
    6203 17 40 12 17*40*12
    6204 20 47 14 20*47*14
    6205 25 52 15 25*52*15
    6300 10 35 11 10*35*11
    6301 12 37 12 12*37*12
    6302 15 42 13 15*42*13
    6303 17 47 14 17*47*14
    6304 20 52 15 20*52*15
    6305 25 62 17 25*62*17

    Company Profile

    ZheZheJiang nmanli Technology Co., Ltd. is a professional supplier of a series of auto and motorcycle spare parts Located in China, ZheJiang Province.
    Our products are enjoyed by both domestic and foreign clients, the high quality products and service have lead us won a set of clients throughout the world such as South America, Southeast Asia, Africa, Middle East and European countries. From the beginning to end, we uphold our enterprise spirit of “Quality first sincerity foremost”. We warmly welcome all foreign friends to be our business partners on the basis of mutual benefits, and wish to establish good relationship with each other in the near future.

    Certifications

     

    FAQ

    1. How to get the best price from CZPT MOTOR?
    The bulk order price can be negotiated.We will quote the lastest best price according to customer purchase list.

    2. What is your terms of payment?
    T/T 30% as deposit, and 70% balance against B/L copy. or by L/C.

    3. What is your terms of delivery?
    EXW, FOB, CFR, CIF.

    4. What about the MOQ – minimum order quantity?
    100 pcs – 1000 pcs, MOQ for different products are different, please check with us before order.

    5. Do you accept OEM order?
    Yes, we can customize products according to customers’ drawings or samples.
     
    6. How about your delivery time?
    Generally, it will take 15 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
     
    7 How do you make our business long-term and good relationship?
    We keep good quality and competitive price to ensure our customers benefit.

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    Bore Size: 5.992 – 6 mm
    OEM: Avaliable
    Clearance: C0
    Color: Customized
    Structure: Deep Groove
    Precision Rating: P0/ABEC-1
    Samples:
    US$ 2/Piece
    1 Piece(Min.Order)

    |
    Request Sample

    Customization:
    Available

    |

    Customized Request

    ball bearing

    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.

    ball bearing

    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.

    ball bearing

    What are the Primary Benefits of Using Ball Bearings in Machinery and Equipment?

    Ball bearings offer several primary benefits when used in machinery and equipment. Their design and functionality provide advantages that contribute to the efficient and reliable operation of various applications. Here are the key benefits:

    • Reduced Friction:

    One of the primary benefits of ball bearings is their ability to minimize friction between moving parts. The rolling motion of the balls reduces the contact area and sliding friction, leading to smoother operation and less energy loss due to frictional heating.

    • Efficient Load Support:

    Ball bearings are engineered to support both radial and axial loads, making them versatile for applications with multidirectional forces. This load-bearing capability allows machinery to handle different types of loads while maintaining performance and stability.

    • Smooth Rotation:

    Ball bearings enable smooth and precise rotational movement. The rolling motion of the balls provides consistent motion with minimal resistance, ensuring that machinery operates smoothly and without jerks.

    • High-Speed Capability:

    Due to their low friction and efficient rolling action, ball bearings are suitable for high-speed applications. They allow machinery and equipment to achieve and maintain high rotational speeds without excessive wear or heat buildup.

    • Reduced Wear and Maintenance:

    The reduced friction in ball bearings leads to lower wear on components. This results in longer service intervals and reduced maintenance requirements, saving both time and maintenance costs.

    • Energy Efficiency:

    By minimizing friction and reducing energy losses, ball bearings contribute to the overall energy efficiency of machinery. This is particularly important in applications where energy consumption is a concern.

    • Versatility:

    Ball bearings come in various types, sizes, and configurations, allowing them to be used in a wide range of machinery and equipment. They can be customized to suit specific application requirements.

    • Reliability and Longevity:

    Ball bearings are designed to withstand heavy loads and harsh operating conditions. Their durability and resistance to wear ensure reliable performance and an extended operational life.

    • Quiet Operation:

    Ball bearings contribute to quiet machinery operation due to the smooth rolling motion of the balls. This is particularly important in applications where noise reduction is a consideration.

    In summary, the primary benefits of using ball bearings in machinery and equipment include reduced friction, efficient load support, smooth rotation, high-speed capability, reduced wear and maintenance, energy efficiency, versatility, reliability, and quiet operation. These benefits collectively enhance the performance and longevity of machinery across various industries.

    China Best Sales Motorcycle Parts Deep Groove Ball Bearing for 6001-2RS   bearing driver kitChina Best Sales Motorcycle Parts Deep Groove Ball Bearing for 6001-2RS   bearing driver kit
    editor by CX 2024-04-13