Product Description
Company Profile
MKS Hydraulics ZheJiang Co., Ltd.is a scientific and professional bearing producing enterprise, gathering R&D, producing and sales as 1 integration.mainly operating on non-standard, special andgeneral bearings.
The company is especially focusing on the research and manufacture of general high-tech production with the 20 years R&D experience, professional R&D staff and advanced equipment, of which 8 sets are imported equipment and 40 sets are high-precision processing equipment. it has invested for building a modern workshop, including 1 Bainite heat processing workshop of world advanced level, 1 machine processing workshop, 2 moder thermostatic &no-dust roller grinders, assembly workshop, physical-chemical testing center, heating laboratory and moder-managed warehouse. Depending on the markets in China and abroad, the company puts an active attitude upon products R&D, resulting a healthy circulation of 1 development generation, 1 reserve generation, and 1 producion generation. The enterprise enlarges the R&D investment, creates own brand, and strives to increase the exporting products of high-tech & high value-added, gains the honorable sales result and grows into 1 of the largest R&D enterprise in China of non-standard bearing and special bearing.
The advanced technology, outstanding quaity and considerable service after sales with enthusiasm make us get the rapid development in quite short time of years, and now it becomes the largest developing and producing enterprise in Asia of concrete carrier truck, speed-reducing machine,mine-digging machine, hydraulic pump spindle bearing and crecent bearing. With the continuing and wholly new developing theory of Technology is the motivation and quality is the life, We are not only pursuing the leading position in China, but also determined to march into the worldwide bearing area during it developing process, The products are mainly applied on the industries of mine, metalurgy, engineering, machineny, machine tool,electronic machine and so on, The products have gained the excllent sales resul in the markets of Europe, Southeast Asia, Middle East and so on in a dozen of countries and areas.
Company Environment
Company Advantages
Packaging & Shipping
FAQ
1. how can we guarantee quality?
Always final Inspection before shipment;
2.what can you buy from us?
Auto Bearing,Bearing Housing,Taper Roller Bearing,Casting,Hydraulic pump,Hydraulic parts,excavator parts and so on.
Ceep groove ball bearing/Self aligning ball bearing/Cylindrical roller bearing/Spherical roller bearing/ Angular contact ball bearing/Tapered roller bearing/ Thrust ball bearing/Thrust cylindrical roller bearing/Needle roller bearing
3. why should you buy from us not from other suppliers?
One stop bearing and mechanical customized parts,
Designed bearing,
Small quantity order available
Factory price offer
OEM ODM bearing service
4.What is the transportation?
lf small quantity,we suggest to send by express,such as DHL,UPS,TNT FEDEX flarge amount,by air or sea shipping.
5.Can we design packaging?
Except regular packing,and we can make customer’s own packing.
6.What’s your payment method?
We can accept LC, T/T, D/P, PayPal, Western Union, Small-amount payment, MoneyGram etc.
7.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.
8.Is the company a production factory or a trading company?
MKS company is a manufacturing enterprise focusing on bearings ,hydraulic pumps and hydraulic parts , produce and sales.
If you have any questions,Please contact us,We must be reply quickly.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Rolling Body: | Roller Bearings |
|---|---|
| The Number of Rows: | Double |
| Outer Dimension: | Medium and Large(120-190mm) |
| Material: | Bearing Steel |
| Spherical: | Non-Aligning Bearings |
| Load Direction: | Radial Bearing |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.
How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.
What 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.
editor by CX 2024-05-07
China Professional CZPT CZPT FAG Ball Bearing Auto Wheel Hub Taper Roller Bearing Cylindrical Roller Bearing Needle Roller Bearing with Hot selling
Product Description
Product Description
AUTO bearing for ALL KINDS OF TRUCK,TRACTOR,TRAILER
PART NUMBER:
86CL6395F0 DZ911416
86CL6082FO 86CL6082FOC 86CL6089FOD 86NL6089FOA 92CL6093FO
3303
014255713 A
014255713
LRS0571 LRS00922 LRS819 LRS922 LRT0 0571 LRT668
Detailed Photos
We have factory to produce all kinds of BEARING for heavy duty truck,light truck,tractor..
We can also produce according to drawing or samples.
Packaging & Shipping
1. Packaging details: carton and wooden box packaging,woven bag,brown box, or
according to customer requirements.
2. Delivery Period: 7-30 working days after
receiving 30% deposit byTT
3. Port: HangZhou Port,China.
4. Transport: By sea, by
air,DHL,FEDEX,UPS,TNT,
FAQ
1.Q:About the payment term.
A: We can accept TT,LC,PAYPAL,WESTERNUION,and so on
2.Q:About the Quality and price
A: We supply good quality products to all our customers,give the competitive price.
3.Q:About the warranty period
A:At least half year, some parts are even longer.
4. Q:How to make order ?
A:Customer can contact us online,or send email with detail inquiry list,then we can reply soon
5.Q:About the discount
A:If the quantity large,we will give resonalbe discount.And for long time cooperation customer,we can give credit support
/* 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(/(.*?):(.*)$/))&&1
| After-sales Service: | Free Change for Quality Problem |
|---|---|
| Type: | Wheel Hub Bearing |
| Material: | Chrome Steel |
| ABS: | Without ABS |
| Brand: | Drn |
| Quality: | Good Quality |
| Samples: |
US$ 20/Piece
1 Piece(Min.Order) | |
|---|
How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.
How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.
What are the 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.
editor by CX 2024-04-15
China OEM Factory Direct Sales Spherical Roller Bearing Self-Aligning Ball Bearing Cylindrical Roller Bearing Tapered Roller Bearing Needle Roller Bearing 1209 1209tni with Hot selling
Product Description
Product Description
Detailed Photos
Certifications
Packaging & Shipping
Company Profile
ZheJiang CZPT Metal Co., Ltd. is located in HangZhou, ZheJiang Province,which is founded in 2571.
Mainly engaged in the production and sales of auto parts. For the automobile after-sales maintenance market to provide a complete variety of high-quality parts products, the annual sales of 30 million US dollars, the products are exported to the United States, Europe, Russia, Southeast Asia, the Middle East and other dozens of countries and regions, enjoy a high reputation in the domestic and foreign markets.
It can provide professional solutions and is a trusted supplier in the automotive aftermarket. The company has passed the “three system” certification of quality, environment and occupational CZPT and safety. Scientific management system, first-class production testing equipment, exquisite technology to ensure product quality.
FAQ
Q1: How many the MOQ of your company?
A: Our company MOQ is 1pcs.
Q2: Could you accept OEM and customize?
A:YES, we can customize for you according to sample or drawing.
Q3: Could you supply sample for free?
A: Yes, we can supply sample for free, but need our customer afford freight.
Q4 : Does your factory have CE?
A: Yes, we have ISO 9001:2008, and SASO. If you want other CE, we can do for you.
Q5: Is it your company is factory or Trade Company?
A: We have our own factory; our type is factory + trade.
Q6: What time the guarantee of your bearing quality guarantee period?
A: 6 months ,Customer need supply photos and send bearing back.
Q7: Could you tell me the payment term of your company can accept?
A: T/T, Western Union, PayPal, T/T, L/C.
Q8: Could you tell me the delivery time of your goods?
A: 7-15 days , mostly base on your order quantity.
/* 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(/(.*?):(.*)$/))&&1
| Lead Time: | Lead Time 3-25days |
|---|---|
| Transport Package: | Barreled, Bagged, Boxed, Palletized or as Customer |
| Specification: | medium ball bearing |
| Trademark: | Huazhong |
| Origin: | China |
| Samples: |
US$ 2.5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.
How do 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.
How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?
Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:
- Design:
Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.
Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.
- Friction and Efficiency:
Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.
Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.
- Load Capacity:
Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.
Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.
- Variability:
Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.
Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.
- Speed Capability:
Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.
Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.
- Applications:
Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.
Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.
In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.
editor by CX 2024-04-08
China high quality Self-Aligning Ball Bearing Cylindrical Roller Bearing manufacturer
Product Description
Product Description
| Bearing Number | Dia(mm) | Weight | Cr | Cor | Structure | mmp | |
| New Model | Old Model | DxdxT | (Kg) | (KN) | (KN) | ||
| 24000 series | |||||||
| 24018 | 457118 | 90x140x50 | 2.76 | MB/CA/CC/EK/CK/CMW33 | |||
| 24019 | 457119 | MB/CA/CC/EK/CK/CMW33 | |||||
| 24571 | 457120 | 100x150x50 | 2.95 | 290 | 620 | MB/CA/CC/EK/CK/CMW33 | 1800 |
| 24571 | 457122 | 110x170x60 | 4.98 | 310 | 650 | MB/CA/CC/EK/CK/CMW33 | 1700 |
| 24571 | 457124 | 120x180x60 | 5.4 | 325 | 660 | MB/CA/CC/EK/CK/CMW33 | 1600 |
| 24026 | 457126 | 130x200x69 | 7.95 | 477 | 815 | MB/CA/CC/EK/CK/CMW33 | 1500 |
| 24571 | 457128 | 140x210x69 | 8.45 | 495 | 900 | MB/CA/CC/EK/CK/CMW33 | 1400 |
| 24030 | 457130 | 150x225x75 | 10.5 | 500 | 1050 | MB/CA/CC/EK/CK/CMW33 | 1300 |
| 24032 | 457132 | 160x240x80 | 13 | 570 | 1210 | MB/CA/CC/EK/CK/CMW33 | 1100 |
| 24034 | 457134 | 170x260x90 | 16.7 | 705 | 1500 | MB/CA/CC/EK/CK/CMW33 | 1000 |
| 24036 | 457136 | 180x280x100 | 22.5 | 835 | 1750 | MB/CA/CC/EK/CK/CMW33 | 950 |
| 24038 | 457138 | 190x290x100 | 24 | 855 | 1840 | MB/CA/CC/EK/CK/CMW33 | 950 |
| 24040 | 457140 | 200x310x109 | 30.5 | 985 | 2130 | MB/CA/CC/EK/CK/CMW33 | 900 |
| 24044 | 457144 | 220x340x118 | 34 | 1150 | 2500 | MB/CA/CC/EK/CK/CMW33 | 850 |
| 24048 | 457148 | 240x360x118 | 42.5 | 1240 | 2800 | MB/CA/CC/EK/CK/CMW33 | 800 |
Detailed Photos
Certifications
Packaging & Shipping
Company Profile
ZheJiang CZPT Metal Co., Ltd. is located in HangZhou, ZheJiang Province,which is founded in 2571.
Mainly engaged in the production and sales of auto parts. For the automobile after-sales maintenance market to provide a complete variety of high-quality parts products, the annual sales of 30 million US dollars, the products are exported to the United States, Europe, Russia, Southeast Asia, the Middle East and other dozens of countries and regions, enjoy a high reputation in the domestic and foreign markets.
It can provide professional solutions and is a trusted supplier in the automotive aftermarket. The company has passed the “three system” certification of quality, environment and occupational CZPT and safety. Scientific management system, first-class production testing equipment, exquisite technology to ensure product quality.
FAQ
Q1: How many the MOQ of your company?
A: Our company MOQ is 1pcs.
Q2: Could you accept OEM and customize?
A:YES, we can customize for you according to sample or drawing.
Q3: Could you supply sample for free?
A: Yes, we can supply sample for free, but need our customer afford freight.
Q4 : Does your factory have CE?
A: Yes, we have ISO 9001:2008, and SASO. If you want other CE, we can do for you.
Q5: Is it your company is factory or Trade Company?
A: We have our own factory; our type is factory + trade.
Q6: What time the guarantee of your bearing quality guarantee period?
A: 6 months ,Customer need supply photos and send bearing back.
Q7: Could you tell me the payment term of your company can accept?
A: T/T, Western Union, PayPal, T/T, L/C.
Q8: Could you tell me the delivery time of your goods?
A: 7-15 days , mostly base on your order quantity.
/* 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(/(.*?):(.*)$/))&&1
| Model No.: | 24018 24020 24024 24028 24030 24032 24036 24038 |
|---|---|
| Hardness: | HRC62-65 |
| Cage Type: | Cc Ca MB |
| Transport Package: | Single Box+Outer Carton+Pallets |
| Specification: | Small and Medium-Sized (60-115mm) |
| Trademark: | Huazhong |
| Samples: |
US$ 0.9/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
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.
What is a Ball Bearing and How does it Function in Various Applications?
A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:
- Reduction of Friction:
Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.
- Radial and Axial Load Support:
Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.
- Smooth Rotational Movement:
Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.
- Applications in Machinery:
Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.
- Automotive Industry:
Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.
- Industrial Machinery:
In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.
- High-Speed Applications:
Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.
- Precision Instruments:
For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.
- Variety of Sizes and Types:
Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.
In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.
editor by CX 2024-04-04
China high quality China Manufacturer Radial Thrust Self-Aligning Deep Groove Angular Contact Insert Ball Bearings Units Cylindrical Tapered Spherical Needle Roller Bearings drive shaft bearing
Product Description
PRODUCT PICTURES
RELATED PRODUCTS
OUR SERVICES
We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.
BEARING:
— Dimensions
— Material
— Tolerance standard
APPEARANCE:
— Logo (Laser Marking)
— Package Design
40+ YEARS EXPERIENCE
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.
We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining. All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.
OWN HEAT TREATMENT
CONTROALLABLE COST AND QUALITY.
Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time.
We have 6 heat treatment production lines.
Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
OUTSTXIHU (WEST LAKE) DIS. QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.
All our products are characterized by low noise, low friction and long life. This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.
Our products fully meets the requirements of national and international standards according to the testing result of roughness, roundness, hardness, vibration noise, vibration velocity.
PACKING
PACKAGING THAT HELPS SELL.
1, Inner package
Corrosion and Dust Proof PE plastic film / bag packing + Tube packing, or Wrapping tape for larger bearings.
2, Corrugated Individual Box
Our attractive sales-helpful “3-JOYS” package, or as the design of your package.
3, Outer package
Corrugated carton + Wooden pallet
MODERN WELL-ORGANIZED WAREHOUSE
· Constant temperature (20°C) and humidity (RH 52%) warehouse
· Hundreds of models on hand, short delivery time.
HONOR & SYSTEM CERTIFICATES
EXHIBITION
SAMPLES POLICY
FREE SAMPLES AND SHIPPING
We are happy to send you free samples of our bearings for field testing. All transportation costs will be paid by us.
Please note: Depending on the model and value of samples, this policy may not apply!
Please contact our sales staff for details.
TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK
PAYMENT TERMS
To facilitate your payment, we offer a variety of options!
FAQ
1, About the lead time.
This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20′ GP container load:
| If the model your Preferred is | Sufficient stock | Lead Time |
| Regular models | YES | Within 7 days |
| Regular models | NO | Within 30 days |
| Non-regular model | NO | About 50 days |
For accurate estimate, please contact with our sale stuff. Thanks.
2, Minimum order quantity.
Even just ONE piece of bearing is ok for us.
3, If you don’t know which model is the right choice…
We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.
4, Factory Inspection
We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking CZPT employees. Ask our sales stuff and she/he will arrange that for you.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 25° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseperated/Seperated |
| Samples: |
US$ 0/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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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. |
|---|
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.
How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.
What are the 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.
editor by CX 2024-04-03
China factory Ball Bearing, Auto Wheel Hub Bearing, Taper Roller Bearing, Cylindrical Roller Bearing drive shaft bearing
Product Description
High effiency anti-abbrasive slurry pump spare parts
Brief introductions
HangZhou CZPT Industrial Pump Co., Ltd. is the specialized manufactuer of slurry pumps in HangZhou, China. Our products cover Slurry pump, Sand/Gravel pump, vertical slurry pump, froth pump and slurry pump spare parts.
Description of products
1. The slurry pump spare parts are made of high chromium alloy which has superior wear and corrosive resistance.
2. Non-Standard slurry pump spare parts & Different size available.
Main applications of slurry pump spare parts
This kind of slurry pump spare parts are mainly used in for handling abrasive, high density slurries in the metallurgical, mining, coal, power, building material and other industrial departments.
/* 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
| Impeller Number: | Single-Stage Pump |
|---|---|
| Working Pressure: | High Pressure Pump |
| Influent Type of Impeller: | Single Suction Pump |
| Position of Pump Shaft: | Horizontal Pump |
| Pump Casing Combined: | Horizontal Split Pumps |
| Mounting Height: | Suction Centrifugal |
| Customization: |
Available
| Customized Request |
|---|
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.
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.
How does Lubrication Impact the Performance and Lifespan of Ball Bearings?
Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:
- Friction Reduction:
Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.
- Wear Prevention:
Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.
- Heat Dissipation:
Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.
- Corrosion Resistance:
Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.
- Noise Reduction:
Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.
- Seal Protection:
Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.
- Improved Efficiency:
Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.
- Lifespan Extension:
Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.
- Selection of Lubricant:
Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.
- Regular Maintenance:
Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.
In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.
editor by CX 2024-03-06
China supplier Cylindrical Roller Bearings Nj Type Nj202 Nj202e drive shaft bearing
Product Description
Cylindrical roller bearings High speed low noise N NU NJ NUP
Product Description
The cylindrical roller and raceway are linear contact bearings. Large load capacity, mainly bearing radial loads. The friction between the rolling element and the collar edge is small, suitable for high-speed rotation. According to the presence or absence of CZPT on the ring, it can be divided into single row cylindrical roller bearings such as NU, NJ, NUP, N, NF, and double row cylindrical roller bearings such as NNU and NN. The bearing is a separable structure with inner and outer rings.
Cylindrical roller bearings without retaining edges on the inner or outer rings can move relative to the axial direction, so they can be used as free end bearings. A cylindrical roller bearing with double CZPT on 1 side of the inner and outer rings, and a single rib on the other side of the ring, which can withstand a certain degree of axial load in 1 direction. Generally, steel plate stamped cages or copper alloy solid cages are used. But some also use polyamide shaped cages.
Detailed Photos
Product Parameters
| Type | Roller |
| Structure | cylindrical |
| clearance | C2, C0, C3, C4, C5 |
| Number of Row | Double row |
| attribute | Powerful factory |
| Material | High quality bearing steel |
| Precision Rating | P0 P6 P5 P4 p2 |
| Seals Type | open |
Specifition
N type:
The inner ring has 2 integral flanges and the outer ring is without flanges. Axial displacement of the shaft with respect to the housing can be accommodated in both directions within the bearing itself. The bearings are therefore used as non-locating bearings.
NU type:
The outer ring of bearings of the NU design has 2 integral flanges and the inner ring is without flanges. Axial displacement of the shaft with respect to the housing can be accommodated in both directions within the bearing itself.
NJ type:
The outer ring has 2 integral flanges and the inner ring 1 integral flange. The bearings are therefore suitable for the axial location of a shaft in 1 direction.
NF type:
The outer ring has 1 integral flange and the inner ring 2 integral flanges.
NUP type:
The outer ring has 2 integral flanges and the inner ring 1 integral flange and 1 non-integral flange in the form of a loose flange ring. The bearings can be used as locating bearings, i.e. they can provide axial location for a shaft in both directions.
RN type:
No outer ring and the inner ring 2 integral flanges.
NN type:
NN type bearing without CZPT on outer ring,there is a wall in the midel of between both sides of inner ring. It can make shaft
relative bearing between the axial displacement generated in both directions.
Company Profile
ZheJiang Wangtai Bearing Co., Ltd. was founded in 2000 in ZheJiang , with its own production plant and sales as one. Independent marketing AOVE and WNTN brand high-quality bearings and related products. The company is committed to becoming the benchmark of Chinese bearing enterprises, with advanced and applicable technology, stable and reliable products, professional and thoughtful service, to provide users with more cost-effective solutions. The company mainly sells CZPT bearings, CZPT bearings, CZPT bearings, CZPT bearings, CZPT bearings and CZPT bearings. Products are widely used in: aviation, aerospace, metallurgy, iron and steel, mining, electric power, machinery manufacturing, printing, electronics, textile, food, chemical industry, automobile and many other fields.
Enterprise spirit: integrity, gratitude, equality, mutual respect!
Packaging & Shipping
FAQ
Q: Why did you choose us?
A. We provide the best quality bearings with reasonable price, low friction, low noise and long service life.
B. With sufficient stock and fast delivery, you can choose our freight forwarder or your freight forwarder.
C. The best service provided by a well-trained international sales team.
Q: Do you accept small orders?
Surely, once your bearings are standard size bearings, even one, we will also accept.
Q: How long is your delivery time?
Generally speaking, if the goods are in stock, it is 1-3 days. If the goods are out of stock, it will take 6-10 days, depending on the quantity of the order.
Q: Do you provide samples? Is it free or extra?
Yes, we can provide a small amount of free samples. Do you mind paying the freight?
Q: What should I do if I don’t see the type of bearings I need?
We have too many bearing series numbers. Sometimes we can’t put them all on web. Just send us the inquiry and we will be very happy to send you the bearing details.
Welcome to contact me anytime!
| Rolling Body: | Roller Bearings |
|---|---|
| The Number of Rows: | Double |
| Outer Dimension: | Small and Medium-Sized (60-115mm) |
| Material: | Stainless Steel |
| Spherical: | Aligning Bearings |
| Load Direction: | Axial Bearing |
Advantages of Ball Bearings
What is a ball bearing? A ball bearing is a type of rolling-element bearing that utilizes balls to maintain separation between two bearing races. Its contact angle between the balls and the races helps it reduce friction between the loads. There are several advantages to ball bearings, including their ability to withstand water. Read on to learn more. Here are a few of the benefits. You can use them in your daily life, from your car to your boat.
Ball bearings reduce friction between loads
Ball bearings reduce friction between loads by constraining the relative motion between moving parts. These bearings consist of a ring of small metal balls that reduce friction between moving objects. The name “ball bearing” is derived from the verb “to bear.” The lubricant within the bearing reduces friction between moving particles. In a machine, ball bearings reduce friction between moving parts and improve linear motion around a fixed axis.
These bearings are commonly used to reduce friction between loads in rotating machines. They have two tracks, one fixed to the rotating part and one stationary. The rolling balls of a ball bearing have lower friction than flat surfaces. Because of this, they are useful for bar stool bearings. They reduce friction between surfaces and maintain the separation between bearing races. Hence, minimal surface contact is possible. Ball bearings have the potential to increase the life of machines and reduce energy consumption.
Ball bearings can be as small as a wrist watch or as large as an industrial motor. They function the same way, reducing friction between loads. Among their many uses, ball bearings are essential for everyday operations. Clocks, air conditioners, fans, and automobile axles all use ball bearings. In fact, anything that uses a motor requires ball bearings. It’s no wonder they’re gaining popularity in industries and everyday life.
They support radial and axial loads
Radial ball bearings are used primarily for radial loads, but they also have a capacity for axial load. This load capacity is usually given as a percentage of the radial load rating. Axial load capacity is generally greater for a bearing with a larger difference between the inner and outer ring diameters. The axial load capacity is also affected by the bearing’s raceway depth, with shallow raceways being more suitable for heavier axial loads.
The two main types of axial and radial loads are defined by their orientation. Axial loads apply forces in one direction while radial loads act on the opposite direction. In both cases, the bearing must support the forces that are imposed. Axial loads apply forces to a bearing in a single direction, while radial loads apply forces in both directions. Regardless of the type of load, axial and radial loads should be considered when selecting a bearing for a given application.
Angular and radial ball bearings differ in their materials. Radial ball bearings are made largely of through-hardened materials. They typically have a Rockwell hardness rating of 58 Rc. The raceways and balls of these bearings are made of 440C stainless steel. They may also contain shields and seals. SAE 52100 steel is the most common material for the raceway, while molybdenum steels are excellent for high temperatures.
They have a contact angle between the balls and the races
When comparing axial load bearings with their radial counterparts, the angular contact angle is more important. Axial load bearings, have a contact angle between the balls and the races of 35 degrees. They are suitable for axial loads and a limited radial load. The contact angle of these bearings is a result of the shape of the inner and outer rings. Each rolling element comes into contact with the inner and outer rings only at one point, forming a 30 degree angle with the radial plane. The radial force of the axial load on these bearings is therefore increased by increasing the contact angle between the balls and the races.
This contact angle determines the amount of friction between the balls and the races, and allows angular contact bearings to withstand heavy radial and thrust loads. In addition, the larger the contact angle, the greater the axial load support. Angular contact bearings come in standard imperial (inch) and metric (mm) sizes. The angular contact angle is determined by the free radial play value and the curvature of the inner track.
They are water-resistant
In addition to their water-resistant qualities, corrosion-resistant ball bearings can also protect against the damaging effects of corrosive environments. Generally, standard metals, such as steel, are susceptible to rust, which can significantly reduce their performance and extend the life of parts. However, plastics, stainless steel, and ceramics can provide corrosion-resistant ball bearings. And because these materials are much more durable, they offer other advantages, such as being easy to maintain.
Among the advantages of plastic ball bearings is their high resistance to extreme temperatures, high speeds, and corrosion. Depending on their construction, plastic bearings are often able to resist corrosion and anti-static properties. They’re lightweight and inexpensive compared to steel ball bearings. CZPT Sales Corporation was established in 1987 with a modest turnover of four lacs. As of the last financial year, it has grown to 500 lacs in sales.
Other advantages of water-resistant ball bearings include corrosion resistance, which is a key consideration in many applications. While stainless steel is highly corrosion-resistant, it decreases the bearing’s load-carrying capacity. Also, corrosion-resistant deep groove ball bearings are usually made with a specified internal clearance, which absorbs loss in clearance during mounting and shaft expansion. This factor affects their performance, and if these are compromised, a replacement may be necessary.
They are tough
A few things make ball bearings tough: they’re made of real materials, which means that they have inherent imperfections. Grade-1 balls are made especially for high-stress applications, such as Formula One engines. Grade-3 balls, on the other hand, strike the perfect balance between performance and cost. Ceramic balls, for example, are made to spin at a high rate of 400 RPM, and they’re finished with a mirror finish.
A steel carbon ball bearing is one of the toughest forms of ball bearings available. The material is incredibly strong, but the contact between the balls isn’t the best. Low-carbon steel is best for linear shafting and is usually coated with a polymer to prevent damage. Steel ball bearings with moderate amounts of carbon are tough, durable, and water-resistant. They’re ideal for gears, but their high-carbon steel counterparts are particularly tough and can resist corrosion.
A ceramic ball bearing is another option. This type has steel inner and outer rings but ceramic balls. Ceramic balls can withstand higher temperatures than steel and are also electrically insulating. Ceramic ball bearings also tend to be lighter and are more resistant to wear and tear. They’re also ideal for applications in which grease is not an option, such as in space shuttles. Despite the fact that ceramic ball bearings are tough, they’re still cheaper than steel ball bearings.
They are conductive
You may have heard the term “ball bearing” if you’ve studied introductory physics. What does that mean? Essentially, ball bearings are conductive because of their ability to conduct electricity. This ability is reflected in the charge distribution on the surface of the ball. Positive charges are drawn toward the positive plate, while negative charges are drawn away from the positively charged ball bearing. You may have even seen a ball bearing in action.
However, despite their conductive nature, ball bearings can still become damaged by electrical discharge. A higher voltage can cause the balls to pit, and the raceways to become uneven. These uneven surfaces will first show up as excessive noise, and eventually cause the bearing to malfunction. Fortunately, engineers have found a way to counter this problem: conductive grease. This grease enables current to flow through the ball bearing, preventing both heat and voltage buildup.
The difference between steel and ceramic ball bearings is their density. Steel bearings are more conductive than glass or hybrid ceramics. Steel ball bearings have an even grain structure and are conductive for resonance flow. When moving fast, the air surrounding the steel ball bearing carries resonance from the inner ring to the outer. This makes them ideal for high-speed resonance transfer. In addition to being conductive, glass microbeads are harder and lighter than steel.
They are used in pulley systems
Pulley systems use ball bearings to move the sprocket, which is a wheel that rotates. These bearings are installed on the center mounting hole of the pulley wheel. They protect the entire system from heat, while allowing higher speed and smooth operation. They distribute the weight of the load evenly, minimizing friction and wobbling, and ensure a smooth rotation. Ball bearings are typically made from steel and are installed inside the pulley wheel.
The moment of inertia and bearing friction are measured to within ten percent accuracy. These two variables affect the speed of the pulley system, which can lead to crashes if the weight holders are not balanced. Therefore, ball bearings are used to minimize the chance of such crashes. When you want to know more about ball bearings in pulley systems, here are the advantages they provide.
Another benefit of ball bearings in pulley systems is that they have lower friction than their solid counterparts. In order to reduce friction, however, ball bearings must be made of good materials. Some of the common ball materials are high-quality plastics and stainless steel. Good materials and clever block design are essential to minimizing friction. If you are planning to use ball bearings in your pulley system, check out the following tips and make sure you are choosing the right one for your application.
editor by CX 2023-11-12
China manufacturer High Quality Cylindrical Bearing Angular Contact Ball Bearings Spherical Roller Spherical Plain Bearings for Farm Machinery Parts bearing engineering
Product Description
GEG230XS-2RS Ball Joint Bearing Radial Spherical Plain Bearing GEG 230 XS-2RS-L571
Application
Spherical Plain Bearings have an inner ring with a sphere convex outside surface and an outer ring with a correspondingly sphere,
but concave inside surface. Their design makes them particularly suitable for bearing arrangements where alignment movements
between shaft and housing have to accommodate, or where oscillating or recurrent tilting movements must be permitted at relatively
slow sliding speeds.
GE Series Radial Spherical Plain Bearing
| Product Name | Spherical Plain Bearing |
| Precision Rating | P6, P0, P5, P4, P2 |
| Material | Bearing Steel (GCr15) |
| Clearance | C0 C1 C2 C3 C4 C5 |
| Vibration & Noisy | Z1,Z2,Z3 V1,V2,V3 |
| Sliding Contact | Steel-on-Steel |
| Features | High Precision, High Speed, Long Life, High Reliability, Low Noise , Reduce Friction |
| Certification | ISO 9001:2008 |
| Packing | 1.Neutral Packing Bearing 2.Industrial Packing 3.Commercial Packing Bearing 4.Customize |
| Delivery Time | 30 – 45 Days After The Order is Confirmed |
| Shippment | 1.By Sea 2.By Air 3.By Express |
Product Description
| Bearing No. | Dimensions(mm) | Load ratings KN |
a° ≈ |
weight ≈ kg |
|||||||
| d | D | B | c | dk | rs | r1s | Dynamic | Static | |||
| GE15ES-2RS | 15 | 26 | 12 | 9 | 22 | 0.3 | 0.3 | 16 | 84 | 8 | 0.571 |
| GE17ES-2RS | 17 | 30 | 14 | 10 | 25 | 0.3 | 0.3 | 21 | 106 | 10 | 0.041 |
| GE20ES-2RS | 20 | 35 | 16 | 12 | 29 | 0.3 | 0.3 | 30 | 146 | 9 | 0.066 |
| GE25ES-2RS | 25 | 42 | 20 | 16 | 35.5 | 0.6 | 0.6 | 48 | 240 | 7 | 0.119 |
| GE30ES-2RS | 30 | 47 | 22 | 18 | 40.7 | 0.6 | 0.6 | 62 | 310 | 6 | 0.153 |
| GE35ES-2RS | 35 | 55 | 25 | 20 | 47 | 0.6 | 1 | 79 | 399 | 6 | 0.233 |
| GE40ES-2RS | 40 | 62 | 28 | 22 | 53 | 0.6 | 1 | 99 | 495 | 7 | 0.306 |
| GE45ES-2RS | 45 | 68 | 32 | 25 | 60 | 0.6 | 1 | 127 | 637 | 7 | 0.427 |
| GE50ES-2RS | 50 | 75 | 35 | 28 | 66 | 0.6 | 1 | 156 | 780 | 6 | 0.546 |
| GE55ES-2RS | 55 | 85 | 40 | 32 | 74 | 0.6 | 1 | 200 | 1000 | 7 | 0.939 |
| GE60ES-2RS | 60 | 90 | 44 | 36 | 80 | 1 | 1 | 245 | 1220 | 6 | 1.04 |
| GE70ES-2RS | 70 | 105 | 49 | 40 | 92 | 1 | 1 | 313 | 1560 | 6 | 1.55 |
| GE80ES-2RS | 80 | 120 | 55 | 45 | 105 | 1 | 1 | 400 | 2000 | 6 | 2.31 |
| GE90ES-2RS | 90 | 130 | 60 | 50 | 115 | 1 | 1 | 488 | 2440 | 5 | 2.75 |
| GE100ES-2RS | 100 | 150 | 70 | 55 | 130 | 1 | 1 | 607 | 3030 | 7 | 4.45 |
| GE110ES-2RS | 110 | 160 | 70 | 55 | 140 | 1 | 1 | 654 | 3270 | 6 | 4.82 |
| GE120ES-2RS | 120 | 180 | 85 | 70 | 160 | 1 | 1 | 950 | 4750 | 6 | 8.05 |
| GE140ES-2RS | 140 | 210 | 90 | 70 | 180 | 1 | 1 | 1070 | 5350 | 7 | 11.02 |
| GE160ES-2RS | 160 | 230 | 105 | 80 | 200 | 1 | 1 | 1360 | 6800 | 8 | 14.01 |
| GE180ES-2RS | 180 | 260 | 105 | 80 | 225 | 1.1 | 1.1 | 1530 | 7650 | 6 | 18.65 |
| GE200ES-2RS | 200 | 290 | 130 | 100 | 250 | 1.1 | 1.1 | 2120 | 10600 | 7 | 28.03 |
| GE220ES-2RS | 220 | 320 | 135 | 100 | 275 | 1.1 | 1.1 | 2320 | 11600 | 8 | 35.51 |
| GE240ES-2RS | 240 | 340 | 140 | 100 | 300 | 1.1 | 1.1 | 2550 | 12700 | 8 | 39.91 |
| GE260ES-2RS | 260 | 370 | 150 | 110 | 325 | 1.1 | 1.1 | 3030 | 15190 | 7 | 51.54 |
| GE280ES-2RS | 280 | 400 | 155 | 120 | 350 | 1.1 | 1.1 | 3570 | 17850 | 6 | 65.06 |
| GE300ES-2RS | 300 | 430 | 165 | 120 | 375 | 1.1 | 1.1 | 3800 | 19100 | 7 | 78.07 |
Detailed Photos
Classification
Strict Testing Produre
Company Profile
Packaging & Shipping
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.We have our own brand:HQA .If you interested in our product,I can take you to visit our factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Where is your factory located? How can I visit there?
A: Our factory is located in ZheJiang Province,You can take the high-speed rail or plane to visit.
Q: Do you provide samples ? it is free charge?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q:The MOQ is how much?
A: About ordinary standard type of bearing ,We have rich inventory,not have MOQ,if your need a
product is Non-standard size,need customize,we will according the product size to determine the MOQ.
| Contact Angle: | 0 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Separated |
| Rows Number: | Single |
| Material: | Gcr15 |
| Inner Ring/Finish: | Inner Ring Gcr15/AIS
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 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:
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 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 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 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 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 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.
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.
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. bearings for specific applications. Some of the key standards and certifications for ball bearings include:
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 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.
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 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 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 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.
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.
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. I 52100 Steel,Hardened and Pho |
| Samples: |
US$ 0.01/Set
1 Set(Min.Order) | |
|---|
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.
editor by CX 2023-08-23
China Standard Needle Bearing Cylindrical Roller Bearing Tapered Roller Bearing Track Roller Bearing Ball Bearing Spherical Plain Bearing Bushing IATF16949 Auto Bearing wholesaler
Product Description
Product Description
| Basic Features of Bearing | |
| Types | Needle Roller Bearing |
| Cylindrical Roller Bearing | |
| Track Roller Bearing | |
| Tapered Roller Bearing | |
| Deep Groove Ball Bearing | |
| Spherical Plain Bearing | |
| Bushing and Accessory | |
| Material | Bearing Steel(GCr15, 100Cr6) |
| 08/10 | |
| SPCC | |
| Bronze | |
| Nylon | |
| Dimension | Metric and Inch |
| Precision | P0 P5 P6 |
| Super finishing | Yes |
| Single and double row | Both single row and double row |
| Dimension Range | 5mm~200mm(bore diameter) |
| MOQ | 1 PC |
| Delivery Time | 30-60 days |
| Sea Ports | ZheJiang HangZhou HangZhou |
Why Choose HECTO ?
1. More than 20 years of manufacturing and exporting experiences
2. an ISO/TS16949 company
3. 100% inspecting of products
4. More competitive prices with better quality
5. More than 99% of delivery in time
6. Rapid response of your emails and questions
7. Products can be traced back
Company Profile
Product Parameters
Needle Roller and Cage Assemblies
| Shaft | Bearing No. | Boundary Dimensions(mm) | Basic Load Rating(N) | Limiting Speed | |||
| Fw | Ew | Bc | Cr | Cor | Oil(RPM) | ||
| 3 | K3X5X7TN | 3 | 5 | 7 | 1540 | 1290 | 50000 |
| K3X5X9TN | 3 | 5 | 9 | 1710 | 1480 | 48000 | |
| K3X6X7TN | 3 | 6 | 7 | 1430 | 970 | 47000 | |
| 4 | K4X7X7TN | 4 | 7 | 7 | 2330 | 1840 | 43000 |
| K4X7X10TN | 4 | 7 | 10 | 2350 | 1920 | 39000 | |
| 5 | K5X8X8TN | 5 | 8 | 8 | 2300 | 1880 | 37000 |
| K5X8X10TN | 5 | 8 | 10 | 2800 | 2450 | 37000 | |
| 6 | K6X9X8TN | 6 | 9 | 8 | 2500 | 2240 | 35000 |
| K6X9X10TN | 6 | 9 | 10 | 3300 | 3100 | 35000 | |
| K6X10X13TN | 6 | 10 | 13 | 3500 | 2800 | 33000 | |
| 7 | K7X10X8TN | 7 | 10 | 8 | 2750 | 2550 | 32000 |
| K7X10X10TN | 7 | 10 | 10 | 3350 | 3400 | 32000 | |
| 8 | K8X11X8TN | 8 | 11 | 8 | 3000 | 2900 | 30000 |
| K8X11X10TN | 8 | 11 | 10 | 3830 | 3950 | 30000 | |
| K8X11X13TN | 8 | 11 | 13 | 5000 | 5700 | 30000 | |
| K8X12X10TN | 8 | 12 | 10 | 4900 | 4600 | 30000 | |
| 9 | K9X12X10TN | 9 | 12 | 10 | 4200 | 4700 | 30000 |
| K9X12X13TN | 9 | 12 | 13 | 5500 | 6700 | 30000 | |
| 10 | K10X13X10TN | 10 | 13 | 10 | 4500 | 5250 | 27000 |
| K10X13X13TN | 10 | 13 | 13 | 6000 | 7600 | 27000 | |
| K10X13X16TN | 10 | 13 | 16 | 6300 | 7800 | 27000 | |
| K10X14X10TN | 10 | 14 | 10 | 7000 | 7900 | 27000 | |
| K10X14X13TN | 10 | 14 | 13 | 8000 | 9100 | 26000 | |
| K10X16X12TN | 10 | 16 | 12 | 7000 | 9300 | 27000 | |
| 12 | K12X15X9TN | 12 | 15 | 9 | 4120 | 5210 | 25000 |
| K12X15X10TN | 12 | 15 | 10 | 4320 | 5730 | 25000 | |
| K12X15X13TN | 12 | 15 | 13 | 6000 | 8100 | 25000 | |
| K12X16X8TN | 12 | 16 | 8 | 1200 | 4700 | 25000 | |
| K12X16X10TN | 12 | 16 | 10 | 6000 | 6900 | 25000 | |
| K12X16X13TN | 12 | 16 | 13 | 7900 | 9200 | 25000 | |
| K12X17X13TN | 12 | 17 | 13 | 9300 | 10000 | 24000 | |
| K12X18X12TN | 12 | 18 | 12 | 9800 | 8000 | 24000 | |
| K12X15X20TN | 12 | 15 | 20 | 8200 | 12000 | 25000 | |
| 14 | K14X17X10 | 14 | 17 | 10 | 5100 | 6800 | 23000 |
| K14X17X17 | 14 | 17 | 17 | 9300 | 14000 | 23000 | |
| K14X18X10 | 14 | 18 | 10 | 6800 | 8300 | 23000 | |
| K14X18X13 | 14 | 18 | 13 | 8100 | 9800 | 23000 | |
| K14X18X14 | 14 | 18 | 14 | 9200 | 12000 | 23000 | |
| K14X18X15 | 14 | 18 | 15 | 10000 | 13000 | 23000 | |
| K14X18X17 | 14 | 18 | 17 | 10500 | 13900 | 23000 | |
| K14X20X12 | 14 | 20 | 12 | 9900 | 10500 | 22000 | |
| 15 | K15X18X14 | 15 | 18 | 14 | 7500 | 11000 | 23000 |
| K15X18X17 | 15 | 18 | 17 | 9600 | 15900 | 23000 | |
| K15X19X10 | 15 | 19 | 10 | 7200 | 9000 | 22000 | |
| K15X19X13 | 15 | 19 | 13 | 8300 | 9800 | 22000 | |
| K15X19X17 | 15 | 19 | 17 | 10300 | 15000 | 22000 | |
| K15X19X24 ZW | 15 | 19 | 24 | 12800 | 25710 | 22000 | |
| K15X22X13 | 15 | 22 | 13 | 9700 | 11000 | 22000 | |
| K15X22X12 | 15 | 22 | 12 | 10000 | 13000 | 22000 | |
| K15X21X15 | 15 | 21 | 15 | 13800 | 16000 | 22000 | |
| K15X21X21 | 15 | 21 | 21 | 18000 | 24000 | 22000 | |
| 16 | K16X20X10 | 16 | 20 | 10 | 7600 | 9700 | 22000 |
| K16X20X13 | 16 | 20 | 13 | 8700 | 11300 | 22000 | |
| K16X20X17 | 16 | 20 | 17 | 11200 | 16300 | 22000 | |
| K16X21X10 | 16 | 21 | 10 | 9000 | 12000 | 22000 | |
| K16X22X12 | 16 | 22 | 12 | 11000 | 12000 | 21000 | |
| K16X22X13 | 16 | 22 | 13 | 12000 | 13400 | 21000 | |
| K16X22X16 | 16 | 22 | 16 | 14300 | 17000 | 21000 | |
| K16X22X20 | 16 | 22 | 20 | 18000 | 22300 | 21000 | |
| K16X23X14 | 16 | 23 | 14 | 19000 | 21000 | 19000 | |
| K16X24X20 | 16 | 24 | 20 | 21100 | 23000 | 20000 | |
| 17 | K17X21X10 | 17 | 21 | 10 | 7900 | 15710 | 21000 |
| K17X21X13 | 17 | 21 | 13 | 10000 | 14100 | 21000 | |
| K17X21X17 | 17 | 21 | 17 | 12000 | 17400 | 21000 | |
| K17X23X14 | 17 | 23 | 14 | 11000 | 15000 | 21000 | |
| 18 | K18X22X10 | 18 | 22 | 10 | 8200 | 9900 | 20000 |
| K18X22X13 | 18 | 22 | 13 | 9000 | 12100 | 20000 | |
| K18X22X17 | 18 | 22 | 17 | 11900 | 17600 | 20000 | |
| K18X24X12 | 18 | 24 | 12 | 11200 | 12900 | 20000 | |
| K18X24X13 | 18 | 24 | 13 | 12900 | 14900 | 20000 | |
| K18X24X13.5 | 18 | 24 | 13.5 | 12900 | 14900 | 20000 | |
| K18X24X20 | 18 | 24 | 20 | 20000 | 26500 | 20000 | |
| K18X25X14 | 18 | 25 | 14 | 16500 | 18800 | 20000 | |
| K18X25X22 | 18 | 25 | 22 | 22900 | 28400 | 20000 | |
| K18X26X14 | 18 | 26 | 14 | 18000 | 20000 | 18000 | |
| K18X28X16 | 18 | 28 | 16 | 19000 | 18400 | 19000 | |
| 19 | K19X23X13 | 19 | 23 | 13 | 9300 | 13000 | 20000 |
| K19X23X17 | 19 | 23 | 17 | 12000 | 18600 | 20000 | |
| 20 | K20X24X10 | 20 | 24 | 10 | 8700 | 12100 | 19000 |
| K20X24X12 | 20 | 24 | 12 | 9600 | 13800 | 19000 | |
| K20X24X13 | 20 | 24 | 13 | 9600 | 13800 | 19000 | |
| K20X24X17 | 20 | 24 | 17 | 12400 | 20000 | 19000 | |
| K20X26X12 | 20 | 26 | 12 | 13100 | 15700 | 19000 | |
| K20X26X16 | 20 | 26 | 16 | 18000 | 25000 | 18500 | |
| K20X26X17 | 20 | 26 | 17 | 18700 | 25500 | 19000 | |
| K20X26X20 | 20 | 26 | 20 | 20600 | 28500 | 19000 | |
| K20X28X20 | 20 | 28 | 20 | 23400 | 28000 | 18000 | |
| K20X28X25 | 20 | 28 | 25 | 30000 | 28500 | 18000 | |
| K20X30X30 | 20 | 30 | 30 | 35000 | 41000 | 18000 | |
| 21 | K21X25X13 | 21 | 25 | 13 | 9600 | 14500 | 19000 |
| K21X25X17 | 21 | 25 | 17 | 12800 | 21000 | 19000 | |
| 22 | K22X26X10 | 22 | 26 | 10 | 8700 | 12900 | 18000 |
| K22X26X13 | 22 | 26 | 13 | 10000 | 15400 | 18000 | |
| K22X26X17 | 22 | 26 | 17 | 13100 | 22100 | 18000 | |
| K22X27X13 | 22 | 27 | 13 | 14000 | 23000 | 18000 | |
| K22X28X17 | 22 | 28 | 17 | 19000 | 26500 | 18000 | |
| K22X28X23 | 22 | 28 | 23 | 20000 | 27000 | 19000 | |
| K22X29X16 | 22 | 29 | 16 | 19500 | 25000 | 17000 | |
| K22X30X15TN | 22 | 30 | 15 | 19600 | 22900 | 17000 | |
| K22X30X20 | 22 | 30 | 20 | 21000 | 23500 | 18900 | |
| K22X32X24 | 22 | 32 | 24 | 33500 | 39500 | 16000 | |
| 23 | K23X35X16TN | 23 | 35 | 16 | 24000 | 23400 | 15000 |
| 24 | K24X28X10 | 24 | 28 | 10 | 9400 | 14300 | 17000 |
| K24X28X13 | 24 | 28 | 13 | 10500 | 17000 | 17000 | |
| K24X28X17 | 24 | 28 | 17 | 14000 | 24500 | 17000 | |
| K24X29X13 | 24 | 29 | 13 | 13100 | 19100 | 16000 | |
| K24X30X17 | 24 | 30 | 17 | 19000 | 27000 | 16000 | |
| K24X30X31 | 24 | 30 | 31 | 27000 | 43000 | 16000 | |
| 25 | K25X29X10 | 25 | 29 | 10 | 9700 | 14900 | 16000 |
| K25X29X13 | 25 | 29 | 13 | 10800 | 17900 | 16000 | |
| K25X29X17 | 25 | 29 | 17 | 14500 | 25500 | 16000 | |
| K25X30X13 | 25 | 30 | 13 | 14100 | 21300 | 16000 | |
| K25X30X20 | 25 | 30 | 20 | 21100 | 28000 | 16000 | |
| K25X30X25 | 25 | 30 | 25 | 21700 | 40400 | 15000 | |
| K25X30X26 | 25 | 30 | 26 | 25710 | 26500 | 15000 | |
| K25X31X17 | 25 | 31 | 17 | 19000 | 28000 | 16000 | |
| K25X31X21 | 25 | 31 | 21 | 24100 | 37500 | 16000 | |
| K25X32X16 | 25 | 32 | 16 | 20500 | 27500 | 15000 | |
| K25X33X20 | 25 | 33 | 20 | 28000 | 37500 | 15000 | |
| K25X33X24 | 25 | 33 | 24 | 33900 | 46500 | 15000 | |
| K25X34X18 | 25 | 34 | 18 | 48000 | 67000 | 15000 | |
| K25X35X30 | 25 | 35 | 30 | 46500 | 61500 | 14000 | |
| K25X30X26 ZW | 25 | 30 | 26 | 21000 | 35000 | 14000 | |
| 26 | K26X30X10 | 26 | 30 | 10 | 9500 | 15500 | 16000 |
| K26X30X13 | 26 | 30 | 13 | 11100 | 18700 | 16000 | |
| K26X30X17 | 26 | 30 | 17 | 14700 | 27000 | 16000 | |
| K26X31X13 | 26 | 31 | 13 | 12400 | 18400 | 15000 | |
| K26X30X22 | 26 | 30 | 22 | 15200 | 28000 | 16000 | |
| 27 | K27X32X17 | 27 | 32 | 27 | 16000 | 34000 | 17000 |
| 28 | K28X32X16.5 | 28 | 32 | 16.5 | 15000 | 32400 | 14000 |
| K28X32X17 | 28 | 32 | 17 | 15000 | 32400 | 14000 | |
| K28X33X13 | 28 | 33 | 13 | 14800 | 23600 | 14000 | |
| K28X33X17 | 28 | 33 | 17 | 19100 | 33000 | 14000 | |
| K28X33X27 TN | 28 | 33 | 27 | 22800 | 40500 | 14000 | |
| K28X34X17 | 28 | 34 | 17 | 21300 | 35000 | 14000 | |
| K28X35X16 | 28 | 35 | 16 | 21000 | 29000 | 14000 | |
| K28X35X18 | 28 | 35 | 18 | 23500 | 33500 | 14000 | |
| K28X35X20 | 28 | 35 | 20 | 24000 | 34000 | 14000 | |
| K28X35X27 | 28 | 35 | 27 | 34500 | 54500 | 14000 | |
| K28X36X16 | 28 | 36 | 16 | 34000 | 47000 | 11000 | |
| K28X40X18 | 28 | 40 | 18 | 33000 | 36500 | 12000 | |
| K28X40X25 | 28 | 40 | 25 | 45000 | 54500 | 12000 | |
| 30 | K30X33X10 | 30 | 33 | 10 | |||
| K30X34X13 | 30 | 34 | 13 | 11800 | 21200 | 13000 | |
| K30X35X13 | 30 | 35 | 13 | 15100 | 25000 | 13000 | |
| K30X35X17 | 30 | 35 | 17 | 19100 | 33500 | 13000 | |
| K30X35X26 | 30 | 35 | 26 | ||||
| K30X35X27 | 30 | 35 | 27 | 30000 | 58500 | 13000 | |
| K30X37X16 | 30 | 37 | 16 | 22500 | 33000 | 13000 | |
| K30X38X25 | 30 | 38 | 25 | 16000 | 390000 | 13000 | |
| K30X39X21 | 30 | 39 | 21 | ||||
| K30X40X18 | 30 | 40 | 18 | 31500 | 39500 | 12000 | |
| K30X40X27 | 30 | 40 | 27 | ||||
| K30X40X30 | 30 | 40 | 30 | 48500 | 68500 | 13000 | |
| K30X35X26 | 30 | 35 | 26 | 23500 | 43500 | 12000 | |
| K30X42X44.1 | 30 | 42 | 44.1 | ||||
| 32 | K32X37X13 | 32 | 37 | 13 | 15000 | 25000 | 12000 |
| K32X37X17 | 32 | 37 | 17 | 19400 | 35000 | 12000 | |
| K32X37X27 | 32 | 37 | 27 | 29500 | 59500 | 12000 | |
| K32X37X28 TN | 32 | 37 | 28 | 23100 | 43000 | 12000 | |
| K32X38X16 | 32 | 38 | 16 | 21000 | 34000 | 12000 | |
| K32X38X20 | 32 | 38 | 20 | 26000 | 44500 | 12000 | |
| K32X38X26 TN | 32 | 38 | 26 | 27000 | 46500 | 12000 | |
| K32X39X16 | 32 | 39 | 16 | 23500 | 35000 | 12000 | |
| K32X39X18 | 32 | 39 | 18 | 26000 | 40500 | 12000 | |
| K32X40X20 | 32 | 40 | 20 | 37000 | 40500 | 12000 | |
| K32X40X36 | 32 | 40 | 36 | 53500 | 91500 | 12000 | |
| K32X46X32 | 32 | 46 | 32 | 65500 | 82500 | 11000 | |
| K32X40X42 TN | 32 | 40 | 42 | 49500 | 83500 | 12000 | |
| 35 | K35X40X13 | 35 | 40 | 13 | 15800 | 27500 | 11000 |
| K35X40X17 | 35 | 40 | 17 | 20300 | 38000 | 11000 | |
| K35X40X25 | 35 | 40 | 25 | 29000 | 59500 | 11000 | |
| K35X40X27 TN | 35 | 40 | 27 | 24500 | 48000 | 11000 | |
| K35X40X27 | 35 | 40 | 27 | 27800 | 62100 | 11000 | |
| K35X40X30 | 35 | 40 | 30 | 25000 | 49500 | 11000 | |
| K35X42X16 | 35 | 42 | 16 | 23900 | 37000 | 11000 | |
| K35X42X18 | 35 | 42 | 18 | 27000 | 42500 | 11000 | |
| K35X42X30 | 35 | 42 | 30 | 38500 | 67500 | 11000 | |
| K35X43X18 | 35 | 43 | 18 | 28000 | 41500 | 11000 | |
| K35X45X20 | 35 | 45 | 20 | 36500 | 49500 | 10000 | |
| K35X45X30 | 35 | 45 | 30 | 52500 | 78500 | 10000 | |
| K35X45X49 | 35 | 45 | 49 | 81500 | 13400 | 10000 | |
| K35X40X30 ZW | 35 | 40 | 30 | 31500 | 65500 | 11000 | |
| K35X42X20 ZW | 35 | 42 | 20 | 29500 | 48500 | 11000 | |
| 36 | K36X41X30 | 36 | 41 | 30 | 23000 | 43000 | 11000 |
| K36X42X16 | 36 | 42 | 16 | 24000 | 42000 | 11000 | |
| 37 | K37X42X17 | 37 | 42 | 17 | 21900 | 42500 | 10000 |
| K37X42X27 | 37 | 42 | 27 | 31500 | 67500 | 10000 | |
| K37X45X26 | 37 | 45 | 26 | 43500 | 73500 | 10000 | |
| 38 | K38X43X17 | 38 | 43 | 17 | 20000 | 38000 | 10000 |
| K38X43X27 | 38 | 43 | 27 | 31000 | 67500 | 10000 | |
| K38X46X20 | 38 | 46 | 20 | 35000 | 56500 | 10000 | |
| K38X46X32 | 38 | 46 | 32 | 54500 | 98500 | 10000 | |
| 39 | K39X44X24 | 39 | 44 | 24 | 28000 | 58500 | 10000 |
| K39X44X26 ZW | 39 | 44 | 26 | 27000 | 55500 | 10000 | |
| 40 | K40X44X13 | 40 | 44 | 13 | 13500 | 28000 | 10000 |
| K40X45X13 | 40 | 45 | 13 | 17100 | 32000 | 10000 | |
| K40X45X17 | 40 | 45 | 17 | 20900 | 41000 | 10000 | |
| K40X45X21 | 40 | 45 | 21 | 24400 | 49500 | 10000 | |
| K40X45X27 | 40 | 45 | 27 | 32500 | 72500 | 10000 | |
| K40X46X17 | 40 | 46 | 17 | 24500 | 44500 | 9000 | |
| K40X47X18 | 40 | 47 | 18 | 29000 | 49500 | 9000 | |
| K40X47X20 | 40 | 47 | 20 | 32000 | 56500 | 9000 | |
| K40X48X20 | 40 | 48 | 20 | 35500 | 58500 | 9000 | |
| K40X45X30 ZW | 40 | 45 | 30 | 26000 | 53500 | 9000 | |
| 42 | K42X47X13 | 42 | 47 | 13 | 17300 | 33000 | 9000 |
| K42X47X17 | 42 | 47 | 17 | 21100 | 42500 | 9000 | |
| K42X47X25 TN | 42 | 47 | 25 | 27000 | 57500 | 9000 | |
| K42X47X27 | 42 | 47 | 27 | 33000 | 74500 | 9000 | |
| K42X48X35 | 42 | 48 | 35 | 35000 | 76000 | 9000 | |
| K42X50X18 | 42 | 50 | 18 | 31000 | 49500 | 9000 | |
| K42X50X20 | 42 | 50 | 20 | 34500 | 56500 | 9000 | |
| K42X47X30 ZW | 42 | 47 | 30 | 31000 | 75500 | 9000 | |
| 43 | K43X48X17 | 43 | 48 | 17 | 21000 | 42500 | 9000 |
| K43X48X27 | 43 | 48 | 27 | 33000 | 74500 | 9000 | |
| K43X50X18 | 43 | 50 | 18 | 30500 | 53500 | 8000 | |
| 45 | K45X49X19 | 45 | 49 | 19 | 17500 | 40000 | 8000 |
| K45X50X17 | 45 | 50 | 17 | 22000 | 45000 | 8000 | |
| K45X50X27 | 45 | 50 | 27 | 34000 | 79500 | 8000 | |
| K45X50X32 TN | 45 | 50 | 32 | 38000 | 90500 | 8000 | |
| K45X52X18 | 45 | 52 | 18 | 31000 | 56500 | 8000 | |
| K45X52X21 TN | 45 | 52 | 21 | 39500 | 57500 | 8000 | |
| K45X53X20 | 45 | 53 | 20 | 38500 | 66500 | 8000 | |
| K45X53X21 | 45 | 53 | 21 | 38000 | 66500 | 8000 | |
| K45X53X22 | 45 | 53 | 22 | 42000 | 66500 | 8000 | |
| K45X53X28 | 45 | 53 | 28 | 51500 | 97500 | 8000 | |
| K45X59X18 TN | 45 | 59 | 18 | 43500 | 53500 | 7000 | |
| K45X59X32 | 45 | 59 | 32 | 72500 | 101500 | 7000 | |
| K45X59X36 | 45 | 59 | 36 | 75500 | 108500 | 7000 | |
| K45X51X36 ZW | 45 | 51 | 36 | 44500 | 98500 | 7000 | |
| 47 | K47X52X17 | 47 | 52 | 17 | 22800 | 48500 | 8000 |
| K47X52X27 | 47 | 52 | 27 | 34500 | 82500 | 8000 | |
| K47X53X25 | 47 | 53 | 25 | 38000 | 81500 | 8000 | |
| K47X55X28 | 47 | 55 | 28 | 52500 | 99500 | 7500 | |
| 48 | K48X54X19 | 48 | 54 | 19 | 30000 | 60500 | 7500 |
| K48X54X25 | 48 | 54 | 25 | 31000 | 91000 | 7500 | |
| 50 | K50X55X13.5 | 50 | 55 | 13.5 | 17500 | 36000 | 7500 |
| K50X55X17 | 50 | 55 | 17 | 21400 | 46500 | 7500 | |
| K50X55X20 | 50 | 55 | 20 | 26000 | 59500 | 7500 | |
| K50X55X30 | 50 | 55 | 30 | 38500 | 96500 | 7500 | |
| K50X57X18 | 50 | 57 | 18 | 33000 | 62500 | 7000 | |
| K50X58X20 | 50 | 58 | 20 | 35000 | 61500 | 7000 | |
| K50X58X25 | 50 | 58 | 25 | 43500 | 80500 | 7000 | |
| 52 | K52X57X12 | 52 | 57 | 12 | 17500 | 36000 | 7000 |
| 55 | K55X60X20 | 55 | 60 | 20 | 28000 | 65500 | 6500 |
| K55X60X27 | 55 | 60 | 27 | 37500 | 96500 | 6500 | |
| K55X60X30 | 55 | 60 | 30 | 40500 | 10300 | 6500 | |
| K55X61X20 | 55 | 61 | 20 | 41000 | 11000 | 6500 | |
| K55X62X18 | 55 | 62 | 18 | 35000 | 69500 | 6500 | |
| K55X63X15 | 55 | 63 | 15 | 245000 | 40500 | 6500 | |
| K55X63X20 | 55 | 63 | 20 | 39500 | 73500 | 6500 | |
| K55X63X25 | 55 | 63 | 25 | 49500 | 99500 | 6500 | |
| K55X63X32 | 55 | 63 | 32 | 61500 | 129500 | 6500 | |
| K55X60X40ZW | 55 | 60 | 40 | 48000 | 132000 | 6500 | |
| 56 | K56X61X20 | 56 | 61 | 20 | 27000 | 64500 | 6500 |
| 58 | K58X63X17 | 58 | 63 | 17 | 21500 | 63500 | 6000 |
| K58X64X19 | 58 | 64 | 19 | 24500 | 77500 | 6000 | |
| K58X65X18 | 58 | 65 | 18 | 34500 | 69500 | 6000 | |
| K58X65X38ZW | 58 | 65 | 38 | 48500 | 106500 | 6000 | |
| 60 | K60X65X20 | 60 | 65 | 20 | 29000 | 71500 | 6000 |
| K60X65X30 | 60 | 65 | 30 | 42000 | 115500 | 6000 | |
| K60X68X20 | 60 | 68 | 20 | 43000 | 84500 | 5500 | |
| K60X68X23 | 60 | 68 | 23 | 49000 | 100500 | 5500 | |
| K60X68X25 | 60 | 68 | 25 | 52500 | 110500 | 5500 | |
| K60X68X27 | 60 | 68 | 27 | 59000 | 120500 | 6000 | |
| K60X75X42 | 60 | 75 | 42 | 11300 | 19200 | 5500 | |
| K60X66X33ZW | 60 | 66 | 33 | 45500 | 111500 | 6000 | |
| K60X66X40ZW | 60 | 66 | 40 | 57500 | 150500 | 5500 | |
| K60X68X30ZW | 60 | 68 | 30 | 44000 | 87500 | 5500 | |
| K60X68X34ZW | 60 | 68 | 34 | 47500 | 95500 | 5500 | |
| 62 | K62X70X40ZW | 62 | 70 | 40 | 65500 | 145500 | 5500 |
| 63 | K63X70X21 | 63 | 70 | 21 | 45000 | 100500 | 5500 |
| 64 | K47X70X16 | 64 | 70 | 16 | 27500 | 59500 | 5500 |
| 65 | K65X70X20 | 65 | 70 | 20 | 30000 | 76500 | 5500 |
| K65X70X30 | 65 | 70 | 30 | 43500 | 93500 | 5500 | |
| K65X73X23 | 65 | 73 | 23 | 45500 | 93500 | 5000 | |
| K65X73X30 | 65 | 73 | 30 | 56500 | 122500 | 5000 | |
| 68 | K68X74X20 | 68 | 74 | 20 | 35000 | 83500 | 5000 |
| K68X74X30 | 68 | 74 | 30 | 46000 | 117500 | 5000 | |
| K68X74X35 ZW | 68 | 74 | 35 | 48000 | 124500 | 5000 | |
| K68X75X20 | 68 | 75 | 32 | 53500 | 127500 | 4500 | |
| 70 | K70X76X20 | 70 | 76 | 20 | 35500 | 85500 | 4500 |
| K70X76X30 | 70 | 76 | 30 | 51500 | 138500 | 4500 | |
| K70X78X25 | 70 | 78 | 25 | 51500 | 111500 | 4500 | |
| K70X78X30 | 70 | 78 | 30 | 59500 | 134500 | 4500 | |
| K70X80X30 | 70 | 80 | 30 | 72500 | 147500 | 4500 | |
| K70X78X46 ZW | 70 | 78 | 46 | 77500 | 18800 | 4500 | |
| 72 | K72X80X20 | 80 | 20 | 41000 | 84500 | 4500 | |
| 73 | K73X79X20 | 73 | 79 | 20 | 36500 | 99500 | 4500 |
| 75 | K75X81X20 | 75 | 81 | 20 | 37000 | 93500 | 4500 |
| K75X81X30 | 75 | 81 | 30 | 51500 | 142000 | 4500 | |
| K75X83X23 | 75 | 83 | 23 | 49500 | 108000 | 4000 | |
| K75X83X30 | 75 | 83 | 30 | 91500 | 142000 | 4000 | |
| K75X83X35 ZW | 75 | 83 | 35 | 62500 | 146500 | 4000 | |
| K75X83X40 ZW | 75 | 83 | 40 | 72500 | 176500 | 4000 | |
| 80 | K80X86X20 | 80 | 86 | 20 | 38000 | 97500 | 4000 |
| K80X86X30 | 80 | 86 | 30 | 55500 | 158500 | 4000 | |
| K80X88X30 | 80 | 88 | 30 | 71500 | 178500 | 4000 | |
| K80X88X40 ZW | 80 | 88 | 40 | 75500 | 191500 | 4000 | |
| K80X88X46 ZW | 80 | 88 | 46 | 87500 | 23000 | 4000 | |
| 85 | K85X92X20 | 85 | 92 | 20 | 44000 | 15710 | 3500 |
| 90 | K90X97X20 | 90 | 97 | 20 | 44500 | 112500 | 3000 |
| K90X98X27 | 90 | 98 | 27 | 60500 | 149500 | 3000 | |
| K90X98X30 | 90 | 98 | 30 | 67500 | 171500 | 3000 | |
| 95 | K95X102X20 | 95 | 102 | 20 | 45500 | 122500 | 2900 |
| K95X103X30 ZW | 95 | 103 | 30 | 68500 | 179500 | 2900 | |
| K95X103X40 ZW | 95 | 103 | 40 | 82500 | 227500 | 2900 | |
| 100 | K100X107X21 | 100 | 107 | 21 | 47500 | 126500 | 2700 |
| K100X108X27 | 100 | 108 | 27 | 56500 | 142500 | 2700 | |
| K100X108X30 | 100 | 108 | 30 | 70500 | 187500 | 2700 | |
| 105 | K105X112X21 | 105 | 112 | 21 | 47000 | 126500 | 2500 |
| K105X113X30 | 105 | 113 | 30 | 71500 | 196500 | 2500 | |
| 110 | K110X117X24 | 110 | 117 | 24 | 55500 | 157500 | 2300 |
| K110X118X30 | 110 | 118 | 30 | 77500 | 218500 | 2300 | |
| 115 | K115X123X27 | 115 | 123 | 27 | 63000 | 170000 | 4100 |
| K115X125X35 | 115 | 125 | 35 | 63000 | 170000 | 4100 | |
| K115X125X40 | 115 | 125 | 40 | 65000 | 175000 | 4100 | |
Cylindrical Roller Bearing
| Shaft | Bearing No. | Boundary Dimensions(mm) | Basic Load Ratings(N) | Limiting Speed | |||
| d | D | B | Cr | Cor | Oil(RPM) | ||
| 17 | N203 | 17 | 40 | 12 | 11400 | 9100 | 19000 |
| NJ203 | 17 | 40 | 12 | 11400 | 9100 | 19000 | |
| NJ203ETN | 17 | 40 | 12 | 16900 | 13800 | 19000 | |
| NU203 | 17 | 40 | 12 | 11400 | 9100 | 19000 | |
| NU203ETN | 17 | 40 | 12 | 16900 | 13800 | 19000 | |
| NJ2203E | 17 | 40 | 16 | 22800 | 20300 | 16400 | |
| 20 | N204 | 20 | 47 | 14 | 15800 | 13100 | 16400 |
| NF204 | 20 | 47 | 14 | 15800 | 13100 | 16400 | |
| NJ204 | 20 | 47 | 14 | 17000 | 14400 | 16400 | |
| NU204 | 20 | 47 | 14 | 15800 | 13100 | 16400 | |
| N304 | 20 | 52 | 15 | 21800 | 17700 | 13800 | |
| NJ304 | 20 | 52 | 15 | 21800 | 17700 | 13800 | |
| NU304 | 20 | 52 | 15 | 21800 | 17700 | 13800 | |
| NUP304ETN | 20 | 52 | 15 | 31500 | 26800 | 13100 | |
| NJ2304ETN | 20 | 52 | 21 | 42000 | 38700 | 13000 | |
| 25 | N205 | 25 | 52 | 15 | 17000 | 14900 | 13800 |
| NF205 | 25 | 52 | 15 | 17000 | 14900 | 13800 | |
| NJ205 | 25 | 52 | 15 | 17000 | 14900 | 13800 | |
| NJ205E | 25 | 52 | 15 | 29900 | 28400 | 13100 | |
| NJ205ETN | 25 | 52 | 15 | 29900 | 28400 | 13100 | |
| NU205 | 25 | 52 | 15 | 17000 | 14900 | 13800 | |
| NU205/C3 | 25 | 52 | 15 | 15400 | 14900 | 13800 | |
| NU205E | 25 | 52 | 15 | 29900 | 28400 | 13100 | |
| NU205ETN | 25 | 52 | 15 | 29900 | 28400 | 13100 | |
| NUP205 | 25 | 52 | 15 | 17000 | 14900 | 13800 | |
| NCL205 | 25 | 52 | 15 | 24600 | 24300 | 13100 | |
| N2205 | 25 | 52 | 18 | 24100 | 23300 | 13100 | |
| NJ2205 | 25 | 52 | 18 | 24100 | 23300 | 13100 | |
| NU2205 | 25 | 52 | 18 | 24100 | 23300 | 13100 | |
| NU2205/C3 | 25 | 52 | 18 | 21400 | 22800 | 13100 | |
| NU2205EV | 25 | 52 | 18 | 41400 | 43300 | 11400 | |
| N305 | 25 | 62 | 17 | 29100 | 25200 | 11400 | |
| N305ENTN/C3 | 25 | 62 | 17 | 41500 | 37400 | 11400 | |
| NF305 | 25 | 62 | 17 | 29100 | 25200 | 11400 | |
| NJ305 | 25 | 62 | 17 | 29100 | 25200 | 11400 | |
| NJ305/C3 | 25 | 62 | 17 | 29100 | 25200 | 11400 | |
| NJ305E | 25 | 62 | 17 | 41500 | 37400 | 11400 | |
| NJ305ETN | 25 | 62 | 17 | 41500 | 37400 | 10500 | |
| NU305 | 25 | 62 | 17 | 29100 | 25200 | 11400 | |
| NUP305 | 25 | 62 | 17 | 29100 | 25200 | 11400 | |
| NUP305E | 25 | 62 | 17 | 41500 | 37400 | 10500 | |
| NUP305N | 25 | 62 | 17 | 29100 | 25200 | 11400 | |
| NCL305 | 25 | 62 | 17 | 39500 | 37800 | 10500 | |
| NU2305E | 25 | 62 | 24 | 57000 | 56100 | 4500 | |
| NJ2305E | 25 | 62 | 24 | 57000 | 56100 | 9200 | |
| NJ2305EV/C4 | 25 | 62 | 24 | 66300 | 69700 | 9200 | |
| NJ2305VH | 25 | 62 | 24 | 63000 | 57000 | 4500 | |
| NUP2305E | 25 | 62 | 24 | 57000 | 56100 | 9200 | |
| NCL2305 | 25 | 62 | 24 | 57700 | 61400 | 9200 | |
| 30 | N206 | 30 | 62 | 16 | 23900 | 22200 | 11300 |
| N206E | 30 | 62 | 16 | 36800 | 34400 | 10500 | |
| NJ206 | 30 | 62 | 16 | 23900 | 22200 | 11300 | |
| NJ206E | 30 | 62 | 16 | 39100 | 37300 | 10500 | |
| NJ206ETN | 30 | 62 | 16 | 39100 | 37300 | 10500 | |
| NU206 | 30 | 62 | 16 | 23900 | 22200 | 11300 | |
| NU206E | 30 | 62 | 16 | 39100 | 37300 | 10500 | |
| NUP206E | 30 | 62 | 16 | 39100 | 37300 | 10500 | |
| NUP206E/C4 | 30 | 62 | 16 | 39100 | 37300 | 10500 | |
| NCL206 | 30 | 62 | 16 | 33800 | 35100 | 10500 | |
| NJ2206ETN | 30 | 62 | 20 | 48900 | 49800 | 10500 | |
| NJ2206E | 30 | 62 | 20 | 48900 | 49800 | 10500 | |
| NJ2206E.TVP | 30 | 62 | 20 | 48900 | 49800 | 5000 | |
| N306 | 30 | 72 | 19 | 35900 | 31900 | 9200 | |
| NJ306 | 30 | 72 | 19 | 35900 | 31900 | 9200 | |
| NJ306E | 30 | 72 | 19 | 53200 | 55710 | 8500 | |
| NJ306E/C3 | 30 | 72 | 19 | 53200 | 55710 | 8500 | |
| NU306 | 30 | 72 | 19 | 35900 | 31900 | 9200 | |
| NU306E | 30 | 72 | 19 | 53200 | 55710 | 9200 | |
| NU306MN/P63 | 30 | 72 | 19 | 35100 | 38600 | 9200 | |
| NUP306 | 30 | 72 | 19 | 35900 | 31900 | 9200 | |
| NFP306 | 30 | 72 | 19 | 35900 | 31900 | 9200 | |
| 35 | N207 | 35 | 72 | 17 | 31400 | 28900 | 9900 |
| NF207 | 35 | 72 | 17 | 31400 | 28900 | 9900 | |
| NJ207 | 35 | 72 | 17 | 31400 | 28900 | 9900 | |
| NJ207E | 35 | 72 | 17 | 55710 | 55710 | 9200 | |
| NU207 | 35 | 72 | 17 | 31400 | 28900 | 9900 | |
| NUP207 | 35 | 72 | 17 | 31400 | 28900 | 9900 | |
| NU2207E | 35 | 72 | 23 | 61600 | 65200 | 4300 | |
| NJ2207E | 35 | 72 | 23 | 61600 | 65200 | 7900 | |
| NUP2207E | 35 | 72 | 23 | 61600 | 65200 | 7900 | |
| N307 | 35 | 80 | 21 | 46400 | 43000 | 9200 | |
| NF307 | 35 | 80 | 21 | 46400 | 43000 | 9200 | |
| NJ307 | 35 | 80 | 21 | 46400 | 43000 | 9200 | |
| NJ307/C3 | 35 | 80 | 21 | 46400 | 43000 | 3400 | |
| NJ307E | 35 | 80 | 21 | 66500 | 65300 | 7900 | |
| NU307 | 35 | 80 | 21 | 46400 | 43000 | 9200 | |
| NU307EV1 | 35 | 80 | 21 | 71000 | 71000 | 7900 | |
| NUP307E | 35 | 80 | 21 | 66500 | 65300 | 7900 | |
| NUP307EN | 35 | 80 | 21 | 66500 | 65300 | 7900 | |
| NUP307EV | 35 | 80 | 21 | 77500 | 79800 | 7900 | |
| NUP307EV/C3 | 35 | 80 | 21 | 77500 | 79800 | 7900 | |
| NJ2307E | 35 | 80 | 31 | 93000 | 100500 | 7900 | |
| NU2307EV4 | 35 | 80 | 31 | 99000 | 109000 | 7900 | |
| 40 | N208 | 40 | 80 | 18 | 43700 | 42900 | 8700 |
| NF208 | 40 | 80 | 18 | 43700 | 42900 | 8700 | |
| NJ208 | 40 | 80 | 18 | 43700 | 42900 | 8700 | |
| NU208 | 40 | 80 | 18 | 43700 | 42900 | 8700 | |
| NUP208 | 40 | 80 | 18 | 43700 | 42900 | 8700 | |
| NUP208/P6 | 40 | 80 | 18 | 43700 | 42900 | 8700 | |
| NU2208E | 40 | 80 | 23 | 72300 | 77600 | 3800 | |
| NJ2208E | 40 | 80 | 23 | 72300 | 77600 | 7900 | |
| NJ2208EV | 40 | 80 | 23 | 84700 | 95100 | 7400 | |
| N308 | 40 | 90 | 23 | 58600 | 56900 | 7900 | |
| NF308 | 40 | 90 | 23 | 58600 | 56900 | 7900 | |
| NF308M/P6 | 40 | 90 | 23 | 58600 | 56900 | 7900 | |
| NJ308 | 40 | 90 | 23 | 58600 | 56900 | 7900 | |
| NJ308ETN | 40 | 90 | 23 | 83200 | 81500 | 3000 | |
| NJ308/C3 | 40 | 90 | 23 | 58600 | 56900 | 3000 | |
| NU308 | 40 | 90 | 23 | 58600 | 56900 | 7900 | |
| NUP308E | 40 | 90 | 23 | 82200 | 80300 | 7400 | |
| NUP308N | 40 | 90 | 23 | 58600 | 56900 | 7900 | |
| NUP308EN | 40 | 90 | 23 | 82200 | 80300 | 7400 | |
| NUP308ENV | 40 | 90 | 23 | 97200 | 157100 | 7000 | |
| NJ2308E | 40 | 90 | 33 | 113200 | 121100 | 7000 | |
| NUP2308E | 40 | 90 | 33 | 121000 | 140700 | 3000 | |
| 45 | N209 | 45 | 85 | 19 | 45900 | 46900 | 8500 |
| NF209 | 45 | 85 | 19 | 45900 | 46900 | 8500 | |
| NF209/C3 | 45 | 85 | 19 | 45900 | 46900 | 8500 | |
| NF209E | 45 | 85 | 19 | 63000 | 66400 | 7900 | |
| NJ209 | 45 | 85 | 19 | 45900 | 46900 | 8500 | |
| NJ209E | 45 | 85 | 19 | 63000 | 66400 | 7900 | |
| NJ209ECP | 45 | 85 | 19 | 63000 | 66400 | 8500 | |
| NU209 | 45 | 85 | 19 | 45900 | 46900 | 8500 | |
| NUP2209E | 45 | 85 | 23 | 76000 | 84500 | 7900 | |
| NUP2209EN | 45 | 85 | 23 | 76000 | 84500 | 7900 | |
| N309 | 45 | 100 | 25 | 72900 | 69900 | 7000 | |
| NF309 | 45 | 100 | 25 | 72900 | 69900 | 7000 | |
| NF309M/P6 | 45 | 100 | 25 | 72900 | 69900 | 7000 | |
| NJ309 | 45 | 100 | 25 | 72900 | 69900 | 7000 | |
| NJ309E | 45 | 100 | 25 | 99200 | 157100 | 6000 | |
| NU309 | 45 | 100 | 25 | 72900 | 69900 | 7000 | |
| NU309E | 45 | 100 | 25 | 99200 | 157100 | 6000 | |
| NUP309 | 45 | 100 | 25 | 72900 | 69900 | 7000 | |
| NUP309N | 45 | 100 | 25 | 72900 | 69900 | 7000 | |
| NUP309NR | 45 | 100 | 25 | 72900 | 69900 | 7000 | |
| NUP309EN | 45 | 100 | 25 | 99200 | 157100 | 6000 | |
| NUP309ENTN | 45 | 100 | 25 | 99200 | 157100 | 6000 | |
| NJ2309E | 45 | 100 | 36 | 138800 | 155700 | 6000 | |
| NU2309E | 45 | 100 | 36 | 138800 | 155700 | 6000 | |
| 50 | N210 | 50 | 90 | 20 | 48100 | 50900 | 7900 |
| NF210 | 50 | 90 | 20 | 48100 | 50900 | 7900 | |
| NF210C3 | 50 | 90 | 20 | 48100 | 50900 | 7900 | |
| NF210E | 50 | 90 | 20 | 65900 | 71800 | 7300 | |
| NJ210 | 50 | 90 | 20 | 48100 | 50900 | 7900 | |
| NJ210E | 50 | 90 | 20 | 65900 | 71800 | 7900 | |
| NU210 | 50 | 90 | 20 | 48100 | 50900 | 7900 | |
| NU210/P6 | 50 | 90 | 20 | 48100 | 50900 | 7900 | |
| NU210ETN/C3 | 50 | 90 | 20 | 65900 | 71800 | 7900 | |
| NUP210EN | 50 | 90 | 20 | 65900 | 71800 | 7900 | |
| NUP210E | 50 | 90 | 20 | 65900 | 71800 | 7900 | |
| NJ2210ETN | 50 | 90 | 23 | 79500 | 91500 | 3300 | |
| NUP2210E | 50 | 90 | 23 | 79500 | 91500 | 7300 | |
| N310 | 50 | 110 | 27 | 88900 | 88800 | 6300 | |
| NF310 | 50 | 110 | 27 | 88900 | 88800 | 6300 | |
| NJ310 | 50 | 110 | 27 | 88900 | 88800 | 6300 | |
| NJ310E | 50 | 110 | 27 | 112100 | 116000 | 6000 | |
| NJ310N | 50 | 110 | 27 | 88900 | 88800 | 6300 | |
| NU310 | 50 | 110 | 27 | 88900 | 88800 | 6300 | |
| NUP310 | 50 | 110 | 27 | 88900 | 88800 | 6300 | |
| NUP310NV | 50 | 110 | 27 | 128200 | 144700 | 6300 | |
| NUP310ENV/C3 | 50 | 110 | 27 | 128200 | 144700 | 6000 | |
| NCL310 | 50 | 110 | 27 | 111300 | 122300 | 6300 | |
| N410 | 50 | 130 | 31 | 132300 | 127600 | 6300 | |
| NJ410 | 50 | 130 | 31 | 132300 | 127600 | 6300 | |
| 55 | N211 | 55 | 100 | 21 | 57900 | 62200 | 7100 |
| NF211 | 55 | 100 | 21 | 57900 | 62200 | 7100 | |
| NF211E | 55 | 100 | 21 | 86100 | 98700 | 6500 | |
| NJ211 | 55 | 100 | 21 | 57900 | 62200 | 7100 | |
| NJ211/C3 | 55 | 100 | 21 | 55710 | 32000 | 7100 | |
| NJ211E | 55 | 100 | 21 | 86100 | 98700 | 6500 | |
| NJ211ECP | 55 | 100 | 21 | 86100 | 98700 | 6500 | |
| NU211 | 55 | 100 | 21 | 57900 | 62200 | 7100 | |
| NU211E | 55 | 100 | 21 | 86100 | 98700 | 6500 | |
| NUP211 | 55 | 100 | 21 | 57900 | 62200 | 7100 | |
| NUP211E | 55 | 100 | 21 | 86100 | 98700 | 6500 | |
| NJ2211E | 55 | 100 | 25 | 101200 | 121500 | 3000 | |
| NJ2211E/C3 | 55 | 100 | 25 | 101200 | 121500 | 6500 | |
| NUP2211EN/C3 | 55 | 100 | 25 | 101200 | 121500 | 6500 | |
| NF311E | 55 | 120 | 29 | 138100 | 144300 | 5300 | |
| NF311E/C3 | 55 | 120 | 29 | 140500 | 147600 | 5300 | |
| NJ311E | 55 | 120 | 29 | 138100 | 144300 | 5300 | |
| NUP311EN | 55 | 120 | 29 | 140500 | 147600 | 5300 | |
| NUP311ENV/C3 | 55 | 120 | 29 | 153800 | 165700 | 5300 | |
| 60 | N212 | 60 | 110 | 22 | 71800 | 79800 | 6500 |
| NJ212 | 60 | 110 | 22 | 71800 | 79800 | 6500 | |
| NJ212E | 60 | 110 | 22 | 96200 | 105600 | 6000 | |
| NU212 | 60 | 110 | 22 | 71800 | 79800 | 6500 | |
| NU212ETN/C3 | 60 | 110 | 22 | 96200 | 105600 | 6000 | |
| NUP212E | 60 | 110 | 22 | 96200 | 105600 | 6000 | |
| NF312 | 60 | 130 | 31 | 124800 | 127800 | 5400 | |
| NF312E | 60 | 130 | 31 | 153100 | 162100 | 4900 | |
| NF312E/C3 | 60 | 130 | 31 | 153500 | 164600 | 4900 | |
| NU312E | 60 | 130 | 31 | 135900 | 96000 | 4900 | |
| NJ312E | 60 | 130 | 31 | 153100 | 162100 | 4900 | |
| NUP312ENV/C3 | 60 | 130 | 31 | 185400 | 195200 | 4900 | |
| N2312E | 60 | 130 | 46 | 225500 | 266700 | 5000 | |
| NJ2312E | 60 | 130 | 46 | 225500 | 266700 | 5000 | |
| 65 | N213 | 65 | 120 | 23 | 78800 | 87000 | 6000 |
| NF213 | 65 | 120 | 23 | 78800 | 87000 | 6000 | |
| NJ213 | 65 | 120 | 23 | 78800 | 87000 | 6000 | |
| NJ213E | 65 | 120 | 23 | 15710 | 122300 | 5400 | |
| NU213 | 65 | 120 | 23 | 78800 | 87000 | 6000 | |
| NUP213E | 65 | 120 | 23 | 15710 | 122300 | 6000 | |
| NUP213EN/C4 | 65 | 120 | 23 | 15710 | 122300 | 5400 | |
| NU313E | 65 | 140 | 33 | 182800 | 194800 | 4700 | |
| NJ313E | 65 | 140 | 33 | 182800 | 195300 | 4700 | |
| NJ313E/C2 | 65 | 140 | 33 | 182800 | 194800 | 4700 | |
| NUP313ENV | 65 | 140 | 33 | 212900 | 244900 | 4700 | |
| 70 | N214 | 70 | 125 | 24 | 82100 | 93500 | 5700 |
| NF214 | 70 | 125 | 24 | 82100 | 93500 | 5700 | |
| NF214E/C3 | 70 | 125 | 24 | 123600 | 144500 | 5700 | |
| NF214E/YB2 | 70 | 125 | 24 | 121000 | 140700 | 5400 | |
| NJ214 | 70 | 125 | 24 | 82100 | 93500 | 5700 | |
| NJ214E | 70 | 125 | 24 | 121000 | 140700 | 5400 | |
| NU214 | 70 | 125 | 24 | 82100 | 93500 | 5700 | |
| NUP214E | 70 | 125 | 24 | 121000 | 140700 | 5400 | |
| NF314E | 70 | 150 | 35 | 25710 | 226000 | 4400 | |
| NU314E | 70 | 150 | 35 | 25710 | 226000 | 4400 | |
| NJ314E | 70 | 150 | 35 | 25710 | 226000 | 4400 | |
| NJ314E/C9 | 70 | 150 | 35 | 25710 | 226000 | 4400 | |
| NUP314ENM | 70 | 150 | 35 | 236300 | 253300 | 4400 | |
| NJ2314VH | 70 | 150 | 51 | 335000 | 455000 | 4400 | |
| 75 | N215 | 75 | 130 | 25 | 95100 | 15710 | 5400 |
| NF215 | 75 | 130 | 25 | 95100 | 15710 | 5400 | |
| NJ215 | 75 | 130 | 25 | 95100 | 15710 | 5400 | |
| NU215 | 75 | 130 | 25 | 95100 | 15710 | 5400 | |
| NU215E | 75 | 130 | 25 | 132200 | 160500 | 5000 | |
| 80 | N216 | 80 | 140 | 26 | 118600 | 141600 | 5000 |
| NJ216 | 80 | 140 | 26 | 108500 | 125900 | 5000 | |
| NU216 | 80 | 140 | 26 | 118600 | 141600 | 5000 | |
| 85 | NJ217 | 85 | 150 | 28 | 122800, | 144000 | 4700 |
Some Metric Tapered Roller Bearings
| BEARING NO. | d | D | T |
| 35712 | 15 | 35 | 11.75 |
| 35713 | 17 | 40 | 13.25 |
| 35714 | 20 | 47 | 15.25 |
| 35715 | 25 | 52 | 16.25 |
| 35716 | 30 | 62 | 17.25 |
| 35717 | 35 | 72 | 18.25 |
| 35718 | 40 | 80 | 19.25 |
| 35719 | 45 | 85 | 20.75 |
| 35710 | 50 | 90 | 21.75 |
| 35711 | 55 | 100 | 22.75 |
| 35712 | 60 | 110 | 23.75 |
| 35713 | 65 | 120 | 24.75 |
| 35714 | 70 | 125 | 26.25 |
| 35715 | 75 | 130 | 27.25 |
| 35716 | 80 | 140 | 28.25 |
| 35717 | 85 | 150 | 30.5 |
| 35718 | 90 | 160 | 32.5 |
| 35719 | 95 | 170 | 34.5 |
| 35710 | 100 | 180 | 37 |
| 35711 | 105 | 190 | 39 |
| 35712 | 110 | 200 | 41 |
| 35714 | 120 | 215 | 43.5 |
| 35716 | 130 | 230 | 43.75 |
| 35718 | 140 | 250 | 45.75 |
| 35710 | 150 | 270 | 49 |
| 35712 | 160 | 290 | 52 |
| 35714 | 170 | 310 | 57 |
| 35716 | 180 | 320 | 57 |
| 35718 | 190 | 340 | 60 |
| 35710 | 200 | 360 | 64 |
| 30302 | 15 | 42 | 14.25 |
| 30303 | 17 | 47 | 15.25 |
| 30304 | 20 | 52 | 16.25 |
| 30305 | 25 | 62 | 18.25 |
| 30306 | 30 | 72 | 20.75 |
| 30307 | 35 | 80 | 22.75 |
| 30308 | 40 | 90 | 25.25 |
| 30309 | 45 | 100 | 27.25 |
| 3571 | 50 | 110 | 29.25 |
| 3571 | 55 | 120 | 31.5 |
| 3571 | 60 | 130 | 33.5 |
| 3571 | 65 | 140 | 36 |
| 3571 | 70 | 150 | 38 |
| 3571 | 75 | 160 | 40 |
| 3 0571 | 80 | 170 | 42.5 |
| 3 0571 | 85 | 180 | 44.5 |
| 3 0571 | 90 | 190 | 46.5 |
| 3571 | 95 | 200 | 49.5 |
| 30320 | 100 | 215 | 51.5 |
| 30321 | 105 | 225 | 53.5 |
| 30322 | 110 | 240 | 54.5 |
| 30324 | 120 | 260 | 59.5 |
| 30326 | 130 | 280 | 63.75 |
| 30328 | 140 | 300 | 67.75 |
| 30330 | 150 | 320 | 72 |
| 3571 | 260 | 540 | 114 |
| 31305 | 25 | 62 | 18.25 |
| 31306 | 30 | 72 | 20.75 |
| 31307 | 35 | 80 | 22.75 |
| 31308 | 40 | 90 | 25.25 |
| 31309 | 45 | 100 | 27.25 |
| 31310 | 50 | 110 | 29.25 |
| 31311 | 55 | 120 | 31.5 |
| 31312 | 60 | 130 | 33.5 |
| 31313 | 65 | 140 | 36 |
| 31314 | 70 | 150 | 38 |
| 31315 | 75 | 160 | 40 |
| 31316 | 80 | 170 | 42.5 |
| 31317 | 85 | 180 | 44.5 |
| 320/22 | 22 | 44 | 15 |
| 320/28 | 28 | 52 | 16 |
| 320/32 | 32 | 58 | 17 |
| 32004 | 20 | 42 | 15 |
| 32005 | 25 | 47 | 15 |
| 32006 | 30 | 55 | 17 |
| 32007 | 35 | 62 | 18 |
| 32008 | 40 | 68 | 19 |
| 32009 | 45 | 75 | 20 |
| 32571 | 50 | 80 | 20 |
| 32011 | 55 | 90 | 23 |
| 32012 | 60 | 95 | 23 |
| 32013 | 65 | 100 | 23 |
| 32014 | 70 | 110 | 25 |
| 32015 | 75 | 115 | 25 |
| 32016 | 80 | 125 | 29 |
| 32017 | 85 | 130 | 29 |
| 32018 | 90 | 140 | 32 |
| 32019 | 95 | 145 | 32 |
| 32571 | 100 | 150 | 32 |
| 32571 | 105 | 160 | 35 |
| 32571 | 110 | 170 | 38 |
| 32571 | 120 | 180 | 38 |
| 32026 | 130 | 200 | 45 |
| 32571 | 140 | 210 | 45 |
| 32030 | 150 | 225 | 48 |
| 32032 | 160 | 240 | 51 |
| 32034 | 170 | 260 | 57 |
| 32205 | 25 | 52 | 19.5 |
| 32206 | 30 | 62 | 21.25 |
| 32207 | 35 | 72 | 24.25 |
| 32208 | 40 | 80 | 24.75 |
| 32209 | 45 | 85 | 24.75 |
| 32210 | 50 | 90 | 24.75 |
| 32211 | 55 | 100 | 26.75 |
| 32212 | 60 | 110 | 29.75 |
| 32213 | 65 | 120 | 32.75 |
| 32214 | 70 | 125 | 33.25 |
| 32215 | 75 | 130 | 33.25 |
| 32216 | 80 | 140 | 35.25 |
| 32217 | 85 | 150 | 38.5 |
| 32218 | 90 | 160 | 42.5 |
| 32219 | 95 | 170 | 45.5 |
| 32220 | 100 | 180 | 49 |
| 32221 | 105 | 190 | 53 |
| 32222 | 110 | 200 | 56 |
| 32224 | 120 | 215 | 61.5 |
| 32226 | 130 | 230 | 67.75 |
| 32228 | 140 | 250 | 71.75 |
| 32230 | 150 | 270 | 77 |
| 32232 | 160 | 290 | 84 |
| 32234 | 170 | 310 | 91 |
| 32236 | 180 | 320 | 91 |
| 32238 | 190 | 340 | 97 |
| 32240 | 200 | 360 | 104 |
| 32244 | 220 | 400 | 114 |
| 32303 | 17 | 47 | 20.25 |
| 32304 | 20 | 52 | 22.25 |
| 32305 | 25 | 62 | 25.25 |
| 32306 | 30 | 72 | 28.75 |
| 32307 | 35 | 80 | 32.75 |
| 32308 | 40 | 90 | 35.25 |
| 32309 | 45 | 100 | 38.25 |
| 32310 | 50 | 110 | 42.25 |
| 32311 | 55 | 120 | 45.5 |
| 32312 | 60 | 130 | 48.5 |
| 32313 | 65 | 140 | 51 |
| 32314 | 70 | 150 | 54 |
| 32315 | 75 | 160 | 58 |
| 32316 | 80 | 170 | 61.5 |
| 32317 | 85 | 180 | 63.5 |
| 32318 | 90 | 190 | 67.5 |
| 32319 | 95 | 200 | 71.5 |
| 32320 | 100 | 215 | 77.5 |
| 32321 | 105 | 225 | 81.5 |
| 32322 | 110 | 240 | 84.5 |
| 32324 | 120 | 260 | 90.5 |
| 32330 | 150 | 320 | 114 |
| 32907 | 35 | 55 | 14 |
| 32908 | 40 | 62 | 15 |
| 32909 | 45 | 68 | 15 |
| 32910 | 50 | 72 | 15 |
| 32911 | 55 | 80 | 17 |
| 32912 | 60 | 85 | 17 |
| 32913 | 65 | 90 | 17 |
| 32914 | 70 | 100 | 20 |
| 32915 | 75 | 105 | 20 |
| 32916 | 80 | 110 | 20 |
| 33005 | 25 | 47 | 17 |
| 33006 | 30 | 55 | 20 |
| 33007 | 35 | 62 | 21 |
| 33008 | 40 | 68 | 22 |
| 33009 | 45 | 75 | 24 |
| 33571 | 50 | 80 | 24 |
| 33011 | 55 | 90 | 27 |
| 33012 | 60 | 95 | 27 |
| 33013 | 65 | 100 | 27 |
| 33014 | 70 | 110 | 31 |
| 33017 | 85 | 130 | 36 |
| 33018 | 90 | 140 | 39 |
| 33113 | 65 | 110 | 34 |
| 33116 | 80 | 130 | 37 |
| 33117 | 85 | 140 | 41 |
| 33119 | 95 | 160 | 49 |
| 332/28 | 28 | 58 | 24 |
| 332/32 | 32 | 65 | 26 |
| 33206 | 30 | 62 | 25 |
| 33207 | 35 | 72 | 28 |
| 33208 | 40 | 80 | 32 |
| 33209 | 45 | 85 | 32 |
| 33210 | 50 | 90 | 32 |
| 33212 | 60 | 110 | 38 |
|
Shipping Cost:
Estimated freight per unit. |
To be negotiated |
|---|
| Rolling Body: | Roller Bearings |
|---|---|
| The Number of Rows: | Single |
| Outer Dimension: | Small and Medium-Sized (60-115mm) |
| Samples: |
US$ 1/Set
1 Set(Min.Order) | Order Sample quality bearing
|
|---|
| Customization: |
Available
| Customized Request |
|---|
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 supp
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.
ort 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,
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.
speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.
editor by CX 2023-08-22
China NU1010.NU1011.NU1013.NU1014.NUNU1012M Cylindrical Roller Bearing NU1012 Bearing connecting rod bearing
Kind: Roller
Construction: cylindrical
Applicable Industries: Machinery Fix Retailers, Retail, Energy & Mining, Other
Model Quantity: NU1571.NU1011.NU1013.NU1014
Precision Rating: PO P6 P4 P5
Seals Type: open
Number of Row: Single row
Excess weight:: .48KG
Materials:: Gcr15.Carbon steel
High quality:: higher top quality and long lifestyle cycle
Provider:: OEM & ODM service
MOQ:: as for every the need of buyers
Availability:: available all the time
Shipping time:: prompt and quickly
Business scope:: Europe, America, Africa, Center East, Asia. And so forth
Right after support:: very good and carry on
Packaging Specifics: industial packing, Bearing 2391180 CAKFW33 Spherical Roller Bearing mm size Roller bearing or as per your request.
Port: HangZhou
Our Solutions Main Items:
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NU1012M NU1012 Cylindrical Roller Bearing NU1012 Bearing
ID Measurement:60mm-95mm-18mm
N.W.:.48KG
| Items title | NU1571.NU1011.NU1013.NU1014.NUNU1012M Cylindrical Roller Bearing NU1012 Bearing |
| Brand identify | imported brand or cutomize it to the necessity of clients |
| Sequence | NU10** |
| ID dimension | NU1012:60mm-95mm-18mm |
| Cage content | Brass.steel |
| Bodyweight | .48KG |
| Sealing | Open |
| Good quality standard | ISO9001:2000 regular |
| Service | OEM & High Torque Electric DC 24V Motor 2.2KW ODM provider |
| Shipping day | Typically all set merchandise and inventory inside 3-15 days |
| Payment conditions | A:100% TT B: thirty% T/T in advance .70% from copy of B/L C:thirty% T/T in progress .70% against L/C D:Western union E:Paypal |
| Application | Vehicle, tractor ,machine device, electric device, h2o pump, agricultural equipment and textile machinery |
| Package deal | Industrial package deal or in accordance to buyers’ prerequisite |
| Details | Cylindrical roller bearings roller bearing ring is normally a 2 CZPT CZPT cage. And CZPT roller assemblies type a ring can be separated with one more bearing rings, bearings are separable. This kind of a bearing set up and removing much more hassle-free |
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What is the purpose of the bushing?
If you notice the truck making noises when cornering, the bushings may be worn. You may need to replace the ball joint or stabilizer bar, but a simple inspection will reveal that the noise is coming from the bushing. The noise from a worn bushing on a metal joint can mimic the sound of other problems in the suspension, such as a loose stabilizer bar or a failed ball joint.
Function
What is the purpose of the bushing? They play an important role in the operation of various mechanical parts. Their main functions include reducing the clearance between the shaft and the bearing and reducing the leakage of the valve. Bushings are used in different ways to ensure smooth operation and longevity. However, some new designers don’t appreciate the functionality of the case. So let’s discuss these features. Some of their most common applications are listed below.
First, the shell does a lot of things. They reduce noise, control vibration, and provide amazing protection for all kinds of industrial equipment. Large industrial equipment faces more wear, vibration and noise, which can render it completely inoperable. Bushings help prevent this by reducing noise and vibration. Bushing sets also extend equipment life and improve its performance. Therefore, you should not underestimate the importance of the casing in your device.
Another common function of bushings is to support components during assembly. In other words, the bushing reduces the risk of machine wear. In addition to this, they are superior to bearings, which are notoriously expensive to maintain. However, they are still useful, and their versatility cannot be overemphasized. If you’re considering installing one, you’ll be glad you did! These products have become a necessity in the modern industrial world. If you’re wondering how to choose one, here are some of the most common bushing uses.
Electrical bushings are an important part of many electrical equipment. They carry high voltage currents through the enclosure and provide an insulating barrier between live conductors and metal bodies at ground potential. They are made of a central conductive rod (usually copper or aluminum) and surrounding insulators made of composite resin silicone rubber. Additionally, the bushings are made of various materials. Whether copper, aluminum or plastic, they are an important part of many types of electrical equipment.
type
There are several different types of bushings on the market today. They may be cheap but they are of good quality. These products can be used in telephones, cable television, computer data lines and alarm systems. The key to buying these products online is finding the right appliance store and choosing a high-quality product. An online appliance store should have comprehensive information and ease of use. For the right electrical bushing, you should look for reliable online stores with the best prices and high quality products.
Capacitive grading bushings use conductive foils inserted into paper to stabilize the electric field and balance the internal energy of the bushing. The conductive foil acts as a capacitive element, connecting the high voltage conductor to ground. These types of bushings are sometimes referred to as capacitor grade bushings. Capacitive grading bushings are usually made of paper impregnated with epoxy resin or mineral oil.
When buying enclosures, you should know how they are used. Unlike ball bearings, bushings should be stored upright so that they are in the correct working position. This is because horizontal placement can cause air bubbles to form in the fill insulation. It is also important to store the bushing properly to prevent damage. The wrong way to store these components can result in costly repairs.
In addition to the physical structure, the bushing insulation must also be effective over the long term. It must resist partial discharge and working electric field stress. The material and design of the bushing can vary widely. Early on, porcelain-based materials were popular in bushing designs. Porcelain was chosen because of its low cost of production and very low linear expansion. Ceramic bushings, on the other hand, require a lot of metal fittings and flexible seals.
Durability
The RIG 3 Bushing Durability Test Standard simulates real-world service conditions for automotive bushings. This three-channel test standard varies casing loads and stresses by applying a range of different load conditions and various control factors. This test is critical to the durability of the case, as it accurately reproduces the dynamic loads that occur during normal use. This test is a key component of the automotive industry and is widely used in many industries.
The Advanced Casing Model has five modules to address asymmetry, nonlinearity, and hysteresis. This model also represents the CZPT lag model. The model can be parameterized in the time domain using MATLAB, and the results can be exported to other simulation software. The developed bushing model is a key component in the durability and performance of vehicle suspension components.
A conductive material is coated on the inner surface of the sleeve. The coating is chosen to conduct a certain amount of current. The conductive path extends from the blade spacer 126 to the sleeve projecting edge 204 and then through the housing 62 to the ground. The coating is made of a low friction material and acts as a wear surface against the bushing sidewall 212 and the housing 62 .
Another important factor in a bushing’s durability is its ability to friction. The higher the operating speed, the greater the load on the bushing. Since bushings are designed for lighter loads and slower speeds, they cannot handle large loads at high speeds. The P-max or V-max value of a bushing is its maximum load or speed at 0 rpm. The PV value must be lower than the manufacturer’s PV value.
price
If you need to replace the bushing on the control arm, you should understand the cost involved. This repair can be expensive, depending on the make and model of your car. Generally, you should pay between $105 and $180 for a replacement. However, you can choose to have it done by a mechanic at a lower cost. The labor cost for this job can be around $160, depending on your automaker.
The cost of replacing the control arm bushings can range from $200 on the low end to $500 on a luxury car. While parts are cheap, labor costs are the highest. Mechanics had to remove suspension and wheel assemblies to replace bushings. If you have some mechanical knowledge, you can replace the bushing yourself. Control arm bushings on the wheel side are usually about $20 each. Still, if you’re not a mechanic, you can save money by doing it yourself.
Install
Press-fit bushings are installed using a retaining ring with a diameter 0.3/0.4 mm larger than the inner diameter of the bushing. To ensure accurate installation, use a mechanically driven, pneumatic or hydraulic drill and insert the bushing into the appropriate hole. This process is best done using mounting holes with drilled holes for the clamps. Make sure the mounting hole is in the center of the bushing and free of debris.
Once the bushing is positioned, use a vise to install its nut. A cold bushing will compress and fit the shell better. Place the sleeve in the refrigerator for at least 24 hours to aid installation. After removing the bushing from the refrigerator, make sure it has enough diameter to fit into the enclosure. Next, place the opposite socket into the enclosure and use it as a stand. After a few minutes, the bushing should be fully seated in the housing.
Install the new bushing into the housing hole. If the previous one had a metal case, insert the new one through the taper. Always lubricate the inner and outer surfaces of the bushing. Then, apply pressure to the inner metal sleeve of the new bushing. You may notice that the new bushing does not exactly match the housing hole. However, that’s okay because the outer diameter of the bushing is larger than the outer diameter of the hub drive.
The installation of the bushing requires the use of the hydraulic unit 16 . Hydraulic unit 16 is located near the #1 journal of the camshaft and extends from #2 to #7. Hydraulic fluid forces piston 22 away from the outer end of cylinder 20 and pushes shaft 14 forward. The shaft is then moved forward, pushing the bushing 17 onto the piston. Multiple bushings can be installed in a single engine.
editor by czh 2023-02-19
