Product Description
Deep Groove Ball Bearings is 1 of the most widely used rolling bearings. It is characterized by small friction resistance and high speed. It can be used to bear radial load or combined load of radial and axial at the same time. It can also be used to bear axial load. Compared with other types, deep groove ball bearing is easy to achieve higher manufacturing accuracy due to its simple structure, so it is convenient for series mass production with low manufacturing cost and widely used. Deep groove ball bearing can be used for gearbox, instrument, motor, household appliances, internal combustion engine, traffic vehicles, agricultural machinery, construction machinery, engineering machinery.
Open Deep Groove Ball Bearings
1.No seal, durable, no need for frequent maintenance, not waterproof
2.Low coefficient of friction, high ultimate speed.
3.Mainly bear radial load, but also can bear a certain amount of axial load.
4.Applications in precision instrumentation, low-noise motors, automobiles, motorcycles and general machinery.
2RS-Rubber Seals Deep Groove BallBearings
1.Performance:Waterproof, dustproof, silent, corrosion resistant.
2.Applicable environment:Suitable for high-speed silent environment.
3.Applications automotive, machine tool spindles, construction machinery, large agricultural machinery.
ZZ-Metal Seals Deep Groove Ball Bearings
1.Performance:fast heat dissipation, high temperature resistance, high speed.
2.Applicable environment:Suitable for high temperature and high speed environments.
3.Applications internal combustion engines, electric motors, agricultural machinery, construction machinery
PRODUCT PARAMETERS
| Deep Groove Ball Bearing 6000 Series | ||||||||
| Bearing No. | Shape Dimensions (mm) | Basic Load Rating (KN) | Max Speed (RPM) | Weight(kg) | ||||
| Bore | Outer | Width | Dynamic Cr | Static Cor | Grease lubricant | Oil lubricant | ||
| d | D | B | ||||||
| 6000 Series | ||||||||
| 606 | 6 | 17 | 6 | 1.95 | 0.72 | 30000 | 38000 | 0.0057 |
| 607 | 7 | 19 | 6 | 2.88 | 10.80 | 28000 | 36000 | 0.0071 |
| 608 | 8 | 22 | 7 | 3.32 | 1.38 | 26000 | 34000 | 0.011 |
| 609 | 9 | 24 | 7 | 3.35 | 1.40 | 22000 | 30000 | 0.014 |
| 6000 | 10 | 26 | 8 | 4.58 | 1.98 | 20000 | 28000 | 0.018 |
| 6001 | 12 | 28 | 8 | 5.10 | 2.38 | 19000 | 26000 | 0.02 |
| 6002 | 15 | 32 | 9 | 5.58 | 2.85 | 18000 | 24000 | 0.026 |
| 6003 | 17 | 35 | 10 | 6.00 | 3.25 | 17000 | 22000 | 0.036 |
| 6004 | 20 | 42 | 12 | 9.38 | 5.02 | 15000 | 19000 | 0.069 |
| 6005 | 25 | 47 | 12 | 10.10 | 5.85 | 13000 | 17000 | 0.075 |
| 6006 | 30 | 55 | 13 | 10.18 | 6.91 | 10000 | 14000 | 0.116 |
| 6007 | 35 | 62 | 14 | 12.47 | 8.66 | 9000 | 12000 | 0.155 |
| 6008 | 40 | 68 | 15 | 13.10 | 9.45 | 8500 | 11000 | 0.185 |
| 6009 | 45 | 75 | 16 | 16.22 | 11.96 | 8000 | 10000 | 0.231 |
| 6571 | 50 | 80 | 16 | 16.94 | 12.95 | 7000 | 9000 | 0.250 |
| 6011 | 55 | 90 | 18 | 23.28 | 17.86 | 7000 | 8500 | 0.362 |
| 6012 | 60 | 95 | 18 | 24.35 | 19.35 | 6300 | 7500 | 0.385 |
| 6013 | 65 | 100 | 18 | 24.66 | 19.74 | 6000 | 7000 | 0.410 |
| 6014 | 70 | 110 | 20 | 29.68 | 24.20 | 5600 | 6700 | 0.575 |
| 6015 | 75 | 115 | 20 | 30.91 | 26.06 | 5300 | 6300 | 0.603 |
| 6016 | 80 | 125 | 22 | 36.57 | 31.36 | 5000 | 6000 | 0.921 |
| 6017 | 85 | 130 | 22 | 39.04 | 33.75 | 5000 | 6000 | 0.848 |
| 6018 | 90 | 140 | 24 | 44.63 | 39.16 | 4800 | 5600 | 1.103 |
| 6019 | 95 | 145 | 24 | 44.45 | 39.16 | 4500 | 5300 | 1.156 |
| 6571 | 100 | 150 | 24 | 49.58 | 44.08 | 4300 | 5300 | 1.174 |
| 6571 | 105 | 160 | 26 | 55.32 | 49.77 | 4000 | 4800 | 1.520 |
| 6571 | 110 | 170 | 28 | 62.99 | 57.39 | 3800 | 4500 | 1.891 |
| Deep Groove Ball Bearing 6200 Series | ||||||||
| Bearing No. | Shape Dimensions (mm) | Basic Load Rating (KN) | Max Speed (RPM) | Weight(kg) | ||||
| Bore | Outer | Width | Dynamic Cr | Static Cor | Grease lubricant | Oil lubricant | ||
| d | D | B | ||||||
| 6200 Series | ||||||||
| 623 | 3 | 10 | 4 | 0.5 | 0.2156 | 38000 | 48000 | 0.0015 |
| 624 | 4 | 13 | 5 | 1.15 | 0.40 | 36000 | 45000 | 0.0032 |
| 625 | 5 | 16 | 5 | 1.88 | 0.68 | 32000 | 40000 | 0.0048 |
| 626 | 6 | 19 | 6 | 2.8 | 1.05 | 28000 | 36000 | 0.0075 |
| 627 | 7 | 22 | 7 | 3.28 | 1.35 | 26000 | 34000 | 0.012 |
| 628 | 8 | 24 | 8 | 3.35 | 1.40 | 24000 | 32000 | 0.017 |
| 629 | 9 | 26 | 8 | 4.45 | 1.95 | 22000 | 30000 | 0.019 |
| 6200 | 10 | 30 | 9 | 5.1 | 2.38 | 19000 | 26000 | 0.571 |
| 6201 | 12 | 32 | 10 | 6.82 | 3.05 | 18000 | 24000 | 0.034 |
| 6202 | 15 | 35 | 11 | 7.65 | 3.72 | 17000 | 22000 | 0.043 |
| 6203 | 17 | 40 | 12 | 9.58 | 4.47 | 16000 | 20000 | 0.062 |
| 6204 | 20 | 47 | 14 | 9.88 | 6.20 | 14000 | 18000 | 0.102 |
| 6205 | 25 | 52 | 15 | 10.78 | 6.98 | 12000 | 16000 | 0.120 |
| 6206 | 30 | 62 | 16 | 14.97 | 10.04 | 9500 | 13000 | 0.190 |
| 6207 | 35 | 72 | 17 | 19.75 | 13.67 | 8500 | 11000 | 0.270 |
| 6208 | 40 | 80 | 18 | 22.71 | 15.94 | 8000 | 10000 | 0.370 |
| 6209 | 45 | 85 | 19 | 24.36 | 17.71 | 7000 | 9000 | 0.380 |
| 6210 | 50 | 90 | 20 | 26.98 | 19.84 | 6700 | 8500 | 0.450 |
| 6211 | 55 | 100 | 21 | 33.37 | 25.11 | 6000 | 7500 | 0.603 |
| 6212 | 60 | 110 | 22 | 36.74 | 27.97 | 5600 | 7000 | 0.789 |
| 6213 | 65 | 120 | 23 | 44.01 | 34.18 | 5000 | 6300 | 0.990 |
| 6214 | 70 | 125 | 24 | 46.79 | 37.59 | 4800 | 6000 | 1.084 |
| 6215 | 75 | 130 | 25 | 50.85 | 41.26 | 4800 | 5600 | 1.171 |
| 6216 | 80 | 140 | 26 | 55.04 | 45.09 | 4500 | 5300 | 1.448 |
| 6217 | 85 | 150 | 28 | 64.01 | 53.28 | 4300 | 5000 | 1.803 |
| 6218 | 90 | 160 | 30 | 73.83 | 60.76 | 4000 | 4800 | 2.172 |
| 6219 | 95 | 170 | 32 | 84.83 | 70.85 | 3800 | 4500 | 2.620 |
| 6220 | 100 | 180 | 34 | 93.95 | 79.35 | 3600 | 4300 | 3.189 |
| 6221 | 105 | 190 | 36 | 102.30 | 89.59 | 3400 | 4000 | 3.782 |
| 6222 | 110 | 200 | 38 | 110.82 | 100.43 | 3200 | 3800 | 4.421 |
| Bearing No. | Shape Dimensions (mm) | Basic Load Rating (KN) | Max Speed (RPM) | ||||||||||||||
| Bore | Outer diameter | Width | Dynamic Cr | Static Cor | Grease lubricant | Oil lubricant | |||||||||||
| d | D | B | |||||||||||||||
| 6300 Series | |||||||||||||||||
| 634 | 4 | 16 | 5 | 1.447 | 0.745 | 32000 | 40000 | ||||||||||
| 635 | 5 | 19 | 6 | 2.161 | 1.163 | 28000 | 36000 | ||||||||||
| 6300 | 10 | 35 | 11 | 5.88 | 3.47 | 20000 | 26000 | ||||||||||
| 6301 | 12 | 37 | 12 | 7.48 | 4.65 | 17000 | 22000 | ||||||||||
| 6302 | 15 | 42 | 13 | 8.80 | 5.43 | 16000 | 20000 | ||||||||||
| 6303 | 17 | 47 | 14 | 10.45 | 6.56 | 15000 | 19000 | ||||||||||
| 6304 | 20 | 52 | 15 | 12.26 | 7.81 | 13000 | 17000 | ||||||||||
| 6305 | 25 | 62 | 17 | 17.22 | 11.39 | 10000 | 14000 | ||||||||||
| 6306 | 30 | 72 | 19 | 20.77 | 14.17 | 9000 | 12000 | ||||||||||
| 6307 | 35 | 80 | 21 | 25.66 | 17.92 | 8000 | 10000 | ||||||||||
| 6308 | 40 | 90 | 23 | 31.35 | 22.38 | 7000 | 9000 | ||||||||||
| 6309 | 45 | 100 | 25 | 40.66 | 30.00 | 6300 | 7500 | ||||||||||
| 6310 | 50 | 110 | 27 | 47.58 | 35.71 | 6000 | 7000 | ||||||||||
| 6311 | 55 | 120 | 29 | 55.05 | 41.91 | 5600 | 6700 | ||||||||||
| 6312 | 60 | 130 | 31 | 62.88 | 48.60 | 5000 | 6000 | ||||||||||
| 6313 | 65 | 140 | 33 | 72.21 | 56.68 | 4500 | 5300 | ||||||||||
| 6314 | 70 | 150 | 35 | 80.10 | 63.48 | 4300 | 5000 | ||||||||||
| 6315 | 75 | 160 | 37 | 87.25 | 71.67 | 4300 | 5000 | ||||||||||
| 6316 | 80 | 170 | 39 | 94.57 | 80.35 | 4000 | 4800 | ||||||||||
| 6317 | 85 | 180 | 41 | 102.05 | 89.52 | 3800 | 4500 | ||||||||||
| 6318 | 90 | 190 | 43 | 110.81 | 100.76 | 3600 | 4300 | ||||||||||
| 6319 | 95 | 200 | 45 | 120.51 | 113.75 | 3300 | 3900 | ||||||||||
| 6320 | 100 | 215 | 47 | 133.06 | 131.18 | 3200 | 3700 | ||||||||||
| Bearing No. | Shape Dimensions (mm) | Basic Load Rating (KN) | Max Speed (RPM) | Weight(kg) | |||||||||||||
| Bore | Outer diameter | Width | Dynamic Cr | Static Cor | Grease lubricant | Oil lubricant | |||||||||||
| d | D | B | |||||||||||||||
| 6400 Series | |||||||||||||||||
| 6410 | 50 | 130 | 31 | 92 | 55 | 5300 | 6300 | 1.85 | |||||||||
| 6411 | 55 | 140 | 33 | 77.44 | 67.71 | 5000 | 6000 | 2.316 | |||||||||
| 6412 | 60 | 150 | 35 | 83.94 | 70.30 | 4800 | 5600 | 2.811 | |||||||||
| 6413 | 65 | 160 | 37 | 90.88 | 78.33 | 4500 | 5300 | 3.342 | |||||||||
| 6414 | 70 | 180 | 42 | 107.31 | 99.53 | 4000 | 4800 | 4.896 | |||||||||
| 6415 | 75 | 190 | 45 | 153 | 114 | 3800 | 4500 | 5.57 | |||||||||
| 6416 | 80 | 200 | 48 | 164 | 125 | 3400 | 4000 | 6.63 | |||||||||
| 6417 | 85 | 210 | 52 | 165 | 136 | 3200 | 3800 | 8.12 | |||||||||
| 6418 | 90 | 225 | 54 | 193 | 158 | 3000 | 3600 | 9.47 | |||||||||
| 6419 | 95 | 240 | 55 | 204 | 171 | 3400 | 3600 | 13.4 | |||||||||
| 6420 | 100 | 250 | 58 | 224 | 195 | 2600 | 3400 | 12.8 | |||||||||
| 6422 | 110 | 280 | 65 | ||||||||||||||
COMPANY PROFILE
ZheJiang Dente International Trade Co.,Ltd is a comprehensive enterprise with factory and trading company. we are focusing on import and export business based on our own bearing factory which is located in HangZhou City where is the largest bearing wholesale base in China. Besides of our own factory and professional exporting experiences, we also cooperate with more than 500 bearing factories to meet customers’ various requirements. Therefore, our company is with the advantage of providing bearings with high quality, short delivery period, but competitive price. Our products have been selling well in more than 50 countries in the world, which include Europe, North America, South America, Australia, Africa, etc.
Our company mission is to supply high-quality bearings with competitive price for customers. And our company philosophy is based on excellent service, quick feedback, working sincerely, and team work. We hope to create a beautiful future together with customers.
TESTING EQUIPMENTS
MAIN PRODUCTS
Deep groove ball bearings, tapered roller bearings, outer spherical bearings, self-aligning ball bearings, spherical roller bearings, cylindrical roller bearings, thrust ball bearings, non-standard bearings of automobiles,needle roller bearings, stainless steel bearings ,inch series bearings, non-standard bearings, the series of special bearings, imported bearings of famous brand all over the world.
PACKING DETAILS
A.tube package + outer carton + pallets
B.single box + outer carton + pallets
C.tube package + middle box + outer carton + pallets
D.According to your request.
WHY CHOOSE US
1.FREE SAMPLES: Contact us by email or trade manager, we will send the free sampls according to your request.
2. World Class Bearing: We provide our customers with all type of indigenous bearing with class quality.
3. OEM or Non Stand Bearings: Any requirement for Non standard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
4. Genuine products With Excellent Quality: Company has always proved the 100% quality products it provides with genuine intent.
5.After Sales Service and technical Assistance: Company provides after sales service and technical assistance as per the customers requirement and needs.
6. Quick Delivery: The company provides just-in-time delivery withits streamlined supply chain.
7. Cost Saving: We provide long-life, shock-resistant and high reliability bearings with excellent quality and better performance.
8.Attending customer queries promptly: We believe that if customer are satisfied then it proves our worth well. Customers are always given quick support.
FAQ
Q: Are you trading company or manufacturer ?
A: We are 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: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shipment.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 0 |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 0.5/Set
1 Set(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What are the Challenges Associated with Noise Reduction in Ball Bearings?
Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:
- Vibration:
Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.
- Bearing Type and Design:
The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.
- Lubrication:
Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.
- Bearing Clearance and Preload:
Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.
- Material and Manufacturing Quality:
The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.
- Surface Finish:
The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.
- Sealing and Shielding:
Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.
- Operating Conditions:
External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.
- Wear and Deterioration:
As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.
To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

What are the 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 2024-02-15
China Best Sales Factory Deep Groove 608zz Ball Bearing Standard bearing and race
Product Description
| Product Number | as shown in the picture |
| Brand Name | according to customers’ requirements |
| Size | custom-made (provide drawings or pictures) |
| Material | steel/ aluminium/ zinc |
| Color | silver… |
| Applacation | window, door, tool… |
| Normal Packing | poly bag + outer carton |
About us
About us
Our factory is specialized in manufacturing non-standard bearing, plastic and metal pulley, bracket pulley, roller, door and window fittings, etc. Relying on a series of advanced processing equipments, skilled workers, strict inspection system, and organized management, we are CZPT to provide good-quality products with competitive price.
Why choose us
1.Professional experience: almost 20 years’ expenience in non-standard bearings, rollers, pulleys, and other plastic accessories for door and window.
2.Popular over the world: over 20 market countries.
3.Advantage: good quality with competitive price.
4.OEM offered: technical drawings, samples or photos are needed.
FAQ
Q: How to get a quotation and start business relationship with your company?
A: Please send us email and our sales representive will contact you as soon as we receive your email.
Q: How to receive a quotaion in the shortest time?
A: When you send us an enquiry, please try to provide more details, such as product size, photo or drawing, order quantity, etc.
Q: How to start an OEM project with your company?
A: Please send us your designed drawings or original samples so that we can offer a quotation first. If all details are confirmed, we will arrange sample production once received your deposit.
Q: What’s your MOQ?
A: The MOQ depends on the design and production processes of the products. Nomally our company MOQ is 10000pc , but it can be much more or less depending on different product types. Therefore, we recommend you to tell us your required quantity first.
Q:How long can I receive an order?
A: That depends on the specific items and your order quantity. The lead time varies from 30 to 90 days.
Q:Are you a factory or trading company?
A:We are professional factory on this area for more than 25 years. Located in the City HangZhou, very close to HangZhou PORT.
Q:What’s your mainly product?
A:Our company focus on the production of ROLLER / PULLEY / BEARING, with an experienced team for designing, manufacturing, marketing and exporting.
Q:How can you guarantee the quality?
A:Perfect quality control system ISO9001, experienced workers, experienced engineer team and inspection team, sample confirmation before mass production, Inspection before delivery.
Contact Us
HangZhou CZPT Pulley Manufacture Co., Ltd.
WEBSITE: http://nbminli /
ADDRESS: No.9 CZPT Road, CZPT Industrial Zone, Xihu (West Lake) Dis. District, HangZhou, China
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Patio Door, Balcony Door, Glass Door, etc. |
|---|---|
| Colour: | as Required |
| Fob Port: | Ningbo |
| Samples: |
US$ 0.07/Piece
1 Piece(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
|
|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|

Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.

How do Ceramic Ball Bearings Compare to Traditional Steel Ball Bearings in Terms of Performance?
Ceramic ball bearings and traditional steel ball bearings have distinct characteristics that can impact their performance in various applications. Here’s a comparison of how these two types of bearings differ in terms of performance:
- Material Composition:
Ceramic Ball Bearings:
Ceramic ball bearings use ceramic rolling elements, typically made from materials like silicon nitride (Si3N4) or zirconium dioxide (ZrO2). These ceramics are known for their high hardness, low density, and resistance to corrosion and wear.
Traditional Steel Ball Bearings:
Traditional steel ball bearings use steel rolling elements. The type of steel used can vary, but common materials include chrome steel (52100) and stainless steel (440C). Steel bearings are known for their durability and strength.
- Friction and Heat:
Ceramic Ball Bearings:
Ceramic bearings have lower friction coefficients compared to steel bearings. This results in reduced heat generation during operation, contributing to higher efficiency and potential energy savings.
Traditional Steel Ball Bearings:
Steel bearings can generate more heat due to higher friction coefficients. This can lead to increased energy consumption in applications where efficiency is crucial.
- Weight:
Ceramic Ball Bearings:
Ceramic bearings are lighter than steel bearings due to the lower density of ceramics. This weight reduction can be advantageous in applications where minimizing weight is important.
Traditional Steel Ball Bearings:
Steel bearings are heavier than ceramic bearings due to the higher density of steel. This weight may not be as critical in all applications but could impact overall equipment weight and portability.
- Corrosion Resistance:
Ceramic Ball Bearings:
Ceramic bearings have excellent corrosion resistance, making them suitable for applications in corrosive environments, such as marine or chemical industries.
Traditional Steel Ball Bearings:
Steel bearings are susceptible to corrosion, especially in harsh environments. Stainless steel variants offer improved corrosion resistance but may still corrode over time.
- Speed and Precision:
Ceramic Ball Bearings:
Ceramic bearings can operate at higher speeds due to their lower friction and ability to withstand higher temperatures. They are also known for their high precision and low levels of thermal expansion.
Traditional Steel Ball Bearings:
Steel bearings can operate at high speeds as well, but their heat generation may limit performance in certain applications. Precision steel bearings are also available but may have slightly different characteristics compared to ceramics.
- Cost:
Ceramic Ball Bearings:
Ceramic bearings are generally more expensive to manufacture than steel bearings due to the cost of ceramic materials and the challenges in producing precision ceramic components.
Traditional Steel Ball Bearings:
Steel bearings are often more cost-effective to manufacture, making them a more economical choice for many applications.
In conclusion, ceramic ball bearings and traditional steel ball bearings offer different performance characteristics. Ceramic bearings excel in terms of low friction, heat generation, corrosion resistance, and weight reduction. Steel bearings are durable, cost-effective, and widely used in various applications. The choice between the two depends on the specific requirements of the application, such as speed, precision, corrosion resistance, and budget considerations.

What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.


editor by CX 2024-02-14
China Custom Ball Bearing Model Number 625 Zz Miniature Deep Groove Ball Bearing OEM/ODM with Good quality
Product Description
Bearing deep groove ball bearing production could be used on Motorcycle, Home Electronics, Motor. All inspection is 100% by automatic.Our products are widely used in electric motors, automobiles, motorcycles, household appliances, textile, electric tools and water pump equipment industries, both locally and globally.
| Bearing Parameter |
| Model | 625-zz | Sealing material | Metal seal cover |
| Measuring system | Metric system | Dynamic radial load | 1400 |
| Bearing type | Ball | Static radial load | 500 |
| Seal type | Metal seal cover | Max speed (rpm) | 30000 |
| Inside diameter | 5 mm | Load direction | Radial |
| ID tolerance | -0.008 – 0 mm | Temperature range | -30 – 110 ºC |
| Outer diameter | 16 mm | Clearance range | 0.002 – 0.013 mm |
| OD tolerance | -0.008 – 0 mm | Structural | Single row |
| Width | 5 mm | Ball diameter | 2.7780mm |
| Width tolerance | -0.12 – 0 mm | Number of balls | 7 |
| Ring material | Bearing steel(GCR15) | Weight | 5.1g |
| Ball material | Bearing steel(GCR15) | Cage material | Metal bracket |
| Bearing Show |
| Product description |
Deep groove ball bearings are the most typical rolling bearings with the characteristics of simply designed structures,convenience in operation and extensive applications. They are designed as non-separable bearings. The raceways in both of the rings are in arc groove form, which can carry radical load and double directions axial load. They are of features of low friction factor, high limit rotational speed and can be applied in situations where high-rotating speed and low noise and low vibration are required. Applications of thses bearings can be found in automobiles, machine tools, motors, instruments, construction machines, railway vehicles, agricultural machines and various other special machines.
| About Us |
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 15° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.

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.

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.


editor by CX 2024-02-14
China Good quality Enzolo Motorcycle Bearing Wheel Bearing Auto Bearing Linear Bearing Angular Contact Ball Bearing Taper Roller Bearing Deep Groove Ball Bearing carrier bearing
Product Description
Enzolo Profile
HangZhou Enzolo Technology Co., Ltd is the major worldwide manufacturer and supplier of motorcycle, scooter and ATV parts and accessories for over 20 years.
Our strengths are efficient management ( fully-operated ERP system) and superior quality control ( inspect 1 by one ). The most important thing is the sincere service that we provide.
We have a experienced team of professional sales to maintain excellent communication with clients and provide clients-oriented after-sale service.
ENZOLO offered complete one-stop service. If you need any motorcycle parts and accessories, please send us photos or drawings or samples to get fast quotation !
ENZOLO Main Motorcycle Models
Honda Models:
C100, C110, C125, SUPRA110, WAVE110, SPACY110, WAVE125, INVOVAi125, ECO DELUXE 100, CD100 Hero Splendor, WH100, WH125, PCX125, CG125, CG150, CG200, CG250, CG300, WY125, WY150, CGL125, CB110, CB125, STORM125, CB1-125, CBZ160, CB190, CBR250, CBX250, NXR125 BROSS, NXR150 BROSS, NXR200 BROSS, CTX200, CBF125, CBF150, etc.
Suzuki Models:
AX100, AX4, GD110, QS110, SMASH110, VIVAX115, AN125, AN150, GN125, EN125, GS125, GS150R, GIXXER, GSX150, DR200, etc.
Yamaha Models:
T50, T80, V50, JOG50, BWS50, V80, CY80, RX100, RX115, YB100, JOG100, BWS100, CRUX110, JY110, CRYPTON, T105, RS110, RX125, BWS125, DT125, DTK125, DT175, DTK175, YBR125, SRZ125, SRZ150, XTZ125, XTZ150, FAZER150, XT200, LC135, FZ16, etc.
Bajaj Models:
CT100, Boxer BM100, BM150, Pulsar180, Pulsar200, Pulsar200 NS, Pulsar220, Pulsar220 NS, XCD125, XCD135, Platina125, Caliper, KB4S, 3W4S, RE205D, RE4S, etc.
Other Brands:
JH70, JH90, DY90, DY100, CD110, JH110, KTM100, LF110, LX110, LX125, LX150, DY125, DY150, ZS200, KEEWAY, TVS start, TVS Sport, TVS king, TVS victor, TVS apache160, TVS apache180, HERO, XY125, XY150, XY200GY-6, XY200GY-8, XY200GY, GY200, CROSS200, BROSS200, GY6-80, GY6-100, GY6-125, GY6-150, SYM125, MIO100, CBT125, CM150, TIGER150, TIGER200, QJ125, HJ125-8, HJ150, etc.
ENZOLO Motorcycle Parts:
Cylinder head, Valve, Crankshaft, Piston Ring, Brake Shoes, Handle Switch, Cylinder kit, Piston Kit, Carburetor, Clutch, Motor, Tire, Camshaft, Clutch Plate, Timing Chain, Wheel Hub, Side Mirror, Wheel Rim , Brake Pad, Brake Cylinder, Lock System, Sprocket Kit, Speedometer, Headlight, Spark Plug,Ignition Coil, Lighting Series, Fuel Tank, Front Shock Absorber, Rear Shock Absorber, Front Shock Absorber, Transmission Shaft Assy, Foot Pegs, Shift Lever, Clutch Line, Front Brake Line, Chain, Seat, Fuel Tank , Side Cover,etc.
Detailed Photos
Product Description
| Brand | ENZOLO |
| OEM & ODM Services | Available |
| OEM Packaging & Logo | Available |
| Product Name | Bearings |
| Packaging | ENZOLO Packaging/Neutral/Customized |
| Please Send Photo of the Parts | To Get Fast Quotation |
| Motorcycle Fitment | For Motorcycles |
| ENZOLO | Welcome Dealers |
Our Advantages
Company Activities
FAQ
1. Do you offer samples ? Are samples free ?
Yes, we offer samples, but you need to pay samples and shipping. We will refund your sample order when you place the first order with ENZOLO.
2. Can you do OEM service for me ?
Yes, we accept OEM orders. You can send logo and package files to us, we will send you sample photos and videos as soon as we can.
3. What’s your payment terms ?
30% deposit by T/T, 70% before shipping.
4. How long is your lead time ?
Generally it will take around 30 days after receiving your advance payment, specific delivery time depends on the parts and quantity of your order.
5. How can i get the price quickly ?
It is ok to get a fast quotation if you send us photos, drawings or samples of your parts.
Fast Quotation
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| After-sales Service: | One Year |
|---|---|
| Warranty: | One Year |
| Type: | Steering Bearing |
| Material: | Stainless Steel |
| Certification: | ISO9001:2001, CCC, SONCAP, CE |
| Number of Row: | Single Row |
| Samples: |
US$ 1/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.

What are the Differences between Deep Groove Ball Bearings and Angular Contact Ball Bearings?
Deep groove ball bearings and angular contact ball bearings are two common types of ball bearings, each designed for specific applications and load conditions. Here are the key differences between these two types of bearings:
- Design and Geometry:
Deep Groove Ball Bearings:
Deep groove ball bearings have a simple design with a single row of balls that run along deep raceways in both the inner and outer rings. The rings are usually symmetrical and non-separable, resulting in a balanced load distribution.
Angular Contact Ball Bearings:
Angular contact ball bearings have a more complex design with two rows of balls, oriented at an angle to the bearing’s axis. This arrangement allows for the transmission of both radial and axial loads, making them suitable for combined loads and applications requiring high precision.
- Load Carrying Capacity:
Deep Groove Ball Bearings:
Deep groove ball bearings are primarily designed to carry radial loads. They can handle axial loads in both directions, but their axial load-carrying capacity is generally lower compared to angular contact ball bearings.
Angular Contact Ball Bearings:
Angular contact ball bearings are specifically designed to handle both radial and axial loads. The contact angle between the rows of balls determines the bearings’ axial load-carrying capacity. They can handle higher axial loads and are commonly used in applications with thrust loads.
- Contact Angle:
Deep Groove Ball Bearings:
Deep groove ball bearings have no defined contact angle, as the balls move in a deep groove along the raceways. They are primarily designed for radial loads.
Angular Contact Ball Bearings:
Angular contact ball bearings have a specified contact angle between the rows of balls. This contact angle allows them to carry both radial and axial loads and is crucial for their ability to handle combined loads.
- Applications:
Deep Groove Ball Bearings:
Deep groove ball bearings are commonly used in applications that primarily require radial loads, such as electric motors, pumps, and conveyor systems. They are also suitable for high-speed operation.
Angular Contact Ball Bearings:
Angular contact ball bearings are used in applications where both radial and axial loads are present, such as in machine tools, automotive wheel hubs, and aerospace components. They are especially useful for applications that require precise axial positioning and handling of thrust loads.
- Limitations:
Deep Groove Ball Bearings:
Deep groove ball bearings are not as suitable for handling significant axial loads and may experience skidding under certain conditions due to their deep raceways.
Angular Contact Ball Bearings:
Angular contact ball bearings can experience increased heat generation and wear at higher speeds due to the contact angle of the balls.
In summary, the design, load-carrying capacity, contact angle, and applications differ between deep groove ball bearings and angular contact ball bearings. Choosing the appropriate type depends on the specific load conditions and requirements of the application.

What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.


editor by CX 2024-02-12
China Standard High Quality Deep Groove Ball Bearings 6008z 20X42X8mm connecting rod bearing
Product Description
High Quality Deep Groove Ball bearings 6008Z 20x42x8mm
6008Z Deep groove ball bearings are versatile, self-retaining bearings with solid outer rings, inner rings and ball and cage assemblies.
Parameters of Deep groove ball bearings
| Product name: | 6008Z deep groove ball bearing 20*42*8mm |
| Model number: | 6008Z |
| Type: | Deep Groove Ball Bearing |
| Material : | Chrome steel/stainless steel/ceramic |
| Size(mm) : | customized |
NIDE can supply large diameter ball bearings.Our ball bearings are available to you off-the-shelf, in sizes ranging from 10 mm to 320 mm outside diameters. The ball bearings are servicing heavy equipment such as electric motors, gear reducers, large motors, extruders, pumps, as well as specialty applications in steel and aluminum processing, oil and gas drilling, and mining applications.
Deep groove ball bearingscan be designed to accommodate radial loads, axial loads and combined radial/axial loads in a wide range of operating speeds. These characteristics combined with relative cost and compactness of design result in their universal appeal in the industry.
Deep groove ball bearing feature:
1. High speed and low noise
2. Customized, OEM, ODM
3. Competitive price
4. Best service for you
Ball Bearing Description:
Deep groove ball bearing consists of an outer ring, an inner circle, a set of steel balls and a set of maintenance frames.They are sealed and open 2 kinds of structure, open without sealing structure refers to the bearing, seal type deep groove ball into dust seal and oil seal. The dust – proof sealing material is a sheet metal stamping, which simply prevents the dust from entering the bearing roller. The oil-proof type is the contact oil seal, which can effectively prevent the grease spillover inside the bearing.
Ball Bearing Picture:
Information needed for ball bearing inquiry
It will be better if customer could send us detailed drawing including below information.
1.Ball bearing model number
2. Ball bearing dimension
3. Ball bearing application
4. Required quantity
5. Other technical requirement.
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| Material Type: | Steel Gcr 15 |
|---|---|
| Dimension: | Customized |
| Composition: | Two Rings, Rolling Elements and a Cage |
| Seal Type: | Rubber or Iron |
| Grease Type: | SRL or Customized |
| Certifiacate: | CCC |

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

What 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 2024-02-12
China Best Sales China Manufacturer 608 6200 6201 6202 6303 6004 6204 6304 6005 6205 Deep Groove Ball Bearing bearing air
Product Description
Product Description
Company Profile
ZheJiang CZPT Bearing Co., Ltd. is affiliated to ZheJiang Kaidi Bearing Group – a specialized manufacturer of kinds of bearings for about 20 years.
Our company is specialized in producing Deep Groove Ball Bearings, Tapered Roller Bearings, Spherical Roller Bearings and Special Bearings in accordance with Customers’ designs.Our bearings has been widely applied into agricultural equipments, home appliances, power equipments, machine tools, automotives and engineering machinery, etc.
Our Products
ZheJiang CZPT Bearing Co., Ltd. is a specialized manufacturer of ball bearings for about 20 years. Our main products include:
1, Miniature Bearings: like 608, 609, 625, 626, 693, 695, etc;
2, Deep Groove Ball Bearings: like 6000, 6200, 6300, 6800, 6900, 16000 Series;
3,Non-Standard Bearings: U grooved bearings, V grooved bearings, double grooved bearings, bearing rollers with or without plastic injection. 4,Pillow Block Bearing: UCP/ UCF/ UCFL;
5,Tapered Roller Bearings
6,Linear Motion Bearings
Processing Process
we have manufacture bearing more than 20 years, and can produce different style of bearings. Our factory starts production from raw materials. We have a 20-person R&D team and launch a new product every 5 days. We have more than 600 people to produce bearing team, we produce products, the price is the most competitive in China.
Packaging & Shipping
Our Activities
FAQ
|
1.Q:Do you know the Detail Size for the Bearing ? 2.Q: This Size of Bearing is common parts? 3.Q:Are you a factory or a Trade Company for Bearing ? 4.Q:How many the MOQ of the Bearing? 5.Q:Could you supply free sample of bearing for our test? 6.Q:Could you accept OEM and customize? 7.Q:Do you have stocks? |
Contact Us
Jane
ZheJiang CZPT Bearing Co., Ltd.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Contact Angle: | 15° |
|---|---|
| Aligning: | Non-Aligning Bearing |
| Separated: | Unseparated |
| Samples: |
US$ 0.05/Set
1 Set(Min.Order) | Order Sample |
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

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 2024-02-11
China supplier Stainless Steel Bearing Units Inserted Ball Bearings/Shc201-Shc214 deep groove ball bearing
Product Description
Product Description
We can supply you all range of bearing housing inserted bearings in Stainless steel, Chrome steel and other materials customers required. We can make both metric sized and inch sized bearings for European and U. S. Standard markets.
| Bearing No. | Dimension | Dynamic load | Statie load | Weight (kg) | ||||||||||
| ratings | ratings | |||||||||||||
| d | D | B1 | B | C | S | ds | G | B5 | d3 | F | N | N | ||
| SS-HC201 | 12 | 0.29 | ||||||||||||
| SS-HC201-8 | 0.5 | 0.29 | ||||||||||||
| SS-HC202 | 15 | 47 | 43.7 | 34.2 | 17 | 17.1 | M6× 0.75 | 4.8 | 13.5 | 33.3 | 4.4 | 0.27 | ||
| SS-HC202-9 | 9/16 | 1.8504 | 1.720 | 1.3465 | 0.6693 | 0.673 | 1/4-28UNF | 0.189 | 0.531 | 1.311 | 0.1732 | 12800 | 6650 | 0.26 |
| SS-HC202-10 | 5/8 | 0.26 | ||||||||||||
| SS-HC203 | 17 | 0.25 | ||||||||||||
| SS-HC203-11 | 11/16 | 0.25 | ||||||||||||
| SS-HC204 | 20 | 47 | 43.7 | 34.2 | 17 | 17.1 | M6× 0.75 | 4.8 | 13.5 | 33.3 | 4.4 | 12800 | 6650 | 0.23 |
| SS-HC204-12 | 3/4 | 1.8504 | 1.720 | 1.3465 | 0.6693 | 0.673 | 1/4-28UNF | 0.189 | 0.531 | 1.311 | 0.1732 | 0.23 | ||
| SS-HC205 | 25 | 52 | 44.4 | 34.9 | 17 | 17.5 | M6× 0.75 | 5 | 13.5 | 38.1 | 4.4 | 0.27 | ||
| SS-HC205-13 | 13/16 | 0.32 | ||||||||||||
| SS-HC205-14 | 7/8 | 2.571 | 1.748 | 1.374 | 0.6693 | 0.689 | 1/4-28UNF | 0.197 | 0.531 | 1.500 | 0.1732 | 14000 | 7850 | 0.31 |
| SS-HC205-15 | 15/16 | 0.29 | ||||||||||||
| SS-HC205-16 | 1 | 0.27 | ||||||||||||
| SS-HC206 | 30 | 62 | 48.4 | 36.5 | 19 | 18.3 | M8× 1 | 5 | 15.9 | 44.5 | 5.2 | 0.45 | ||
| SS-HC206-17 | 1-1/16 | 0.50 | ||||||||||||
| SS-HC206-18 | 1-1/8 | 2.4409 | 1.906 | 1.437 | 0.7480 | 0.720 | 5/16-24UNF | 0.197 | 0.626 | 1.752 | 0.2047 | 19500 | 11300 | 0.47 |
| SS-HC206-19 | 1-3/16 | 0.45 | ||||||||||||
| SS-HC206-20 | 1-1/4 | 0.42 | ||||||||||||
| SS-HC207 | 35 | 72 | 51.1 | 37.6 | 20 | 18.8 | M8× 1 | 7 | 17.5 | 55.6 | 5.5 | 0.60 | ||
| SS-HC207-20 | 1-1/4 | 0.67 | ||||||||||||
| SS-HC207-21 | 1-5/16 | 2.8346 | 2.012 | 1.4803 | 0.7874 | 0.740 | 5/16-24UNF | 0.276 | 0.689 | 2.189 | 0.2165 | 25700 | 15300 | 0.63 |
| SS-HC207-22 | 1-3/8 | 0.60 | ||||||||||||
| SS-HC207-23 | 1-7/16 | 0.57 | ||||||||||||
| SS-HC208 | 40 | 80 | 54 | 40.5 | 21 | 19 | M8× 1 | 8 | 18.3 | 60.3 | 6.2 | 0.79 | ||
| SS-HC208-24 | 1-1/12 | 3.1496 | 2.126 | 1.5945 | 0.8268 | 0.7480 | 5/16-24UNF | 0.315 | 0.720 | 2.374 | 0.244 | 29500 | 18100 | 0.84 |
| SS-HC208-25 | 1-9/16 | 0.80 | ||||||||||||
| SS-HC209 | 45 | 85 | 54 | 40.5 | 22 | 19 | M8× 1 | 8 | 18.3 | 63.5 | 6.4 | 0.85 | ||
| SS-HC209-26 | 1-5/8 | 0.96 | ||||||||||||
| SS-HC209-27 | 1-11/16 | 3.3465 | 2.126 | 1.5945 | 0.8661 | 0.7480 | 5/16-24UNF | 0.315 | 0.720 | 2.5000 | 0.252 | 31600 | 20600 | 0.91 |
| SS-HC209-28 | 1-3/4 | 0.87 | ||||||||||||
| SS-HC210 | 50 | 90 | 62.7 | 49.2 | 24 | 24.6 | M8× 1 | 10 | 18.3 | 69.9 | 6.5 | 0.99 | ||
| SS-HC210-29 | 1-13/16 | 1.14 | ||||||||||||
| SS-HC210-30 | 1-7/8 | 3.5433 | 2.469 | 1.937 | 0.9449 | 0.969 | 5/16-24UNF | 0.394 | 0.720 | 2.752 | 0.256 | 35000 | 23200 | 1.08 |
| SS-HC210-31 | 1-15/16 | 1.02 | ||||||||||||
| SS-HC210-32 | 2 | 0.96 | ||||||||||||
| SS-HC211 | 55 | 100 | 71.4 | 55.5 | 25 | 27.8 | M10× 1 | 10 | 20.7 | 76.2 | 7 | 1.32 | ||
| SS-HC211-32 | 2 | 1.52 | ||||||||||||
| SS-HC211-33 | 2-1/16 | 3.937 | 2.811 | 2.185 | 0.9843 | 1.094 | 3/8-24UNF | 0.394 | 0.815 | 3.000 | 0.2760 | 43500 | 29200 | 1.44 |
| SS-HC211-34 | 2-1/8 | 1.37 | ||||||||||||
| SS-HC211-35 | 2-3/16 | 1.29 | ||||||||||||
| SS-HC212 | 60 | 110 | 77.8 | 61.9 | 27 | 31 | M10× 1.25 | 10 | 22.3 | 84.2 | 8.5 | 1.88 | ||
| SS-HC212-36 | 2-1/4 | 2.04 | ||||||||||||
| SS-HC212-37 | 2-5/16 | 4.3307 | 3.063 | 2.437 | 1.063 | 1.22 | 3/8-24UNF | 0.394 | 0.878 | 3.315 | 0.3346 | 47700 | 32900 | 1.95 |
| SS-HC212-38 | 2-3/8 | 1.90 | ||||||||||||
| SS-HC212-39 | 2-7/16 | 1.77 | ||||||||||||
| SS-HC213 | 65 | 120 | 85.7 | 68.6 | 28 | 34.1 | M10× 1.25 | 10 | 23.5 | 86 | 8.5 | 2.41 | ||
| SS-HC213-40 | 2-1/2 | 4.3307 | 3.374 | 2.7008 | 1.0630 | 1.343 | 3/8-24UNF | 0.394 | 0.925 | 3.386 | 0.335 | 57500 | 40000 | 2.51 |
| SS-HC213-41 | 2-9/16 | 2.40 | ||||||||||||
| SS-HC214 | 70 | 125 | 85.7 | 68.6 | 29 | 34.1 | M10× 1 | 12 | 23.5 | 90 | 8.9 | 2.55 | ||
| SS-HC214-42 | 2-5/8 | 2.79 | ||||||||||||
| SS-HC214-43 | 2-11/16 | 4.9213 | 3.374 | 2.7008 | 1.1417 | 1.343 | 3/8-24UNF | 0.472 | 0.925 | 3.543 | 0.335 | 60800 | 45000 | 2.68 |
| SS-HC214-44 | 2-3/4 | 2.56 |
Packaging & Shipping
Packing : 1)Tube packing + Neutral Carton + Wooden pallet
2) Acoording to customer’s requirement
Why Choose Us
TECHNICAL SKILLS
The company currently has more than 100 employees, including more than 50 professional technicians, over 10 engineers, and over 10 elite salesperson.
PRODUCTION
The monthly output of insert bearing is expected to be 450,000-500,000 with 6 main production lines; the deep groove, and the monthly output of deep groove ball is expected to be 350,000-400,000 sets with 3 production lines.
TRANSPORT
we usually offer sea freight shipping since we are very close to HangZhou Port and ZheJiang Port. Of course, for urgent order, it is also very convenient for us to choose the air and train freight or other options.
AFTER SALES SERVICE
We will reply to you within 2 hours after receiving the inquiry on working days.we mainly do custom products, we develop and produce products according to drawings or samples provided by customers.
About Us
HangZhou HangZhou Bearing Co., Ltd., established in 1994 stands right at the prime location of the Yangtze River Delta. Specialized in the production of high-quality deep groove ball bearings and insert bearings. It has emerged as a modern company integrating product development, design, manufacturing, sales and service. It can produce bearings with an inner diameter of 3mm to 100mm and customize various non-standard products with highly-automated equipment, stable quality, and complete testing methods ensuring the quality of its products.
With the vigorous development of the foreign trade department, our business in bearing production and sales in 2018 far exceeded 20 million US dollars, and the products were sold in more than 50 countries and regions.
The company has established a modernized enterprise management system, pooling talents in various fields to make the company more humane, informatized and international with the ISO9001 quality management system being introduced to the production process to enhance its competitiveness. In 2017, the ISO/TS16949 quality management system was also introduced to seek further development in richer application field.
Taking “integrity; service; cooperation; CZPT ” as the core values, and “customer first, order primacy” as its working philosophy, adhering to the vision of becoming China’s best bearing supplier, while satisfying the customers and helping employees achieve their dreams, it is constantly heading towards the goal of “get the world move with Chinese Bearings “.
FAQ
[Q:]1. How soon can we get a reply after we send you an inquiry??
[A:] We will reply you within 2 hours after receiving the inquiry on working days.
[Q:]2. Are you a manufacturer or a trading company??
[A:] We have our own factory, covering an area of more than 12,000 square meters, and we also have our own international trade department, our products are self-produced and self-sold.
[Q:]4.What products do you offer??
[A:] Deep groove ball bearings, insert bearings, pillow block, tapered roller bearings, thrust ball bearings, angular contact bearings, self-aligning roller bearing, etc.
[Q:]5.Which applications your products are mainly involved??
[A:] Our products cover almost all applicable fields of equipment manufacturing and machinery manufacturing industry, mainly includingrailways, trucks, construction machinery, mining machinery, forklifts, agricultural machinery, ships, petroleum machinery, power accessories, electromechanical hardware tools
[Q:]6. Can you make customized products??
[A:] Yes, we mainly do customized products, we develop and produce products according to drawings or samples provided by customers.
[Q:]7. What is the production capacity of your company??
[A:] The monthly output of insert bearing is expected to be 450,000-500,000 with 6 main production lines; the deep groove, and the monthly output of deep groove ball is expected to be 350,000-400,000 sets with 3 production lines.
[Q:]8. What is the total number of your employees , and how many of them are technicians.?
[A:] The company currently has more than 100 employees, including more than 50 professional technicians, over 10 engineers, and over 10 elite salesperson.
[Q:]9.How does your company ensure the quality of the products.?
[A:] First of all, we will have corresponding inspections after each process. For the final products, we will do 100% inspection according to customer requirements and international standards; Then, we have advanced and complete top-level testing equipment in the industry: spectrum analyzer, metallographic microscope, universal tensile testing machine, low temperature impact testing machine, X-ray flaw detector, magnetic particle flaw detector, ultrasonic flaw detector, coordinate measuring instrument, image Measuring instrument, etc. The above equipment can fully guarantee the high-precision finished castings of the finished parts, and at the same time ensure the customer’s comprehensive testing requirements for physical and chemical properties, non-destructive testing and high-precision geometrical dimensions.
[Q:]10.what is the payment method??
[A:] When you quote, we will confirm with you the trading method, FOB, CIF, CNF or other methods. In mass production, we usually pay 30% advance payment first, then see the balance of the bill of lading. Most of the payment methods are T/T, of course, L/C is also acceptable.
[Q:]11.How the goods are delivered to customers??
[A:] we usually offer sea freight shipping since we are very close to HangZhou Port and ZheJiang Port. Of course, for urgent order, it is also very convenient for us to choose the air and train freight or other options.
[Q:]12.Where are your products mainly exported to??
[A:] Our products are exported to dozens of foreign countries mainly including Germany, Italy, the United States, Austria, Slovakia, Slovenia, Sweden, Ukraine, Poland, Russia, Canada, Brazil, India, Turkey, Iran, Vietnam.
RUN YOUR DREAMS WITH NSJ !
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Separated: | Separated |
|---|---|
| Load Direction: | Radial Bearing |
| Material: | Stainless Steel |
| Rolling Body: | Ball Bearings |
| The Number of Rows: | Single |
| Outer Dimension: | Small and Medium-Sized (60-115mm) |
| Customization: |
Available
| Customized Request |
|---|

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?
Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:
- Automotive Industry:
Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.
- Aerospace Industry:
In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.
- Industrial Machinery:
Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.
- Medical Equipment:
In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.
- Robotics and Automation:
Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.
- Renewable Energy:
Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.
- Marine and Shipbuilding:
Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.
- Heavy Equipment and Construction:
In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.
- Electronics and Consumer Appliances:
Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.
- Oil and Gas Industry:
In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.
These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?
Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:
- Deep Groove Ball Bearings:
Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.
- Angular Contact Ball Bearings:
Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.
- Self-Aligning Ball Bearings:
Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.
- Thrust Ball Bearings:
Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.
- Single-Row vs. Double-Row Bearings:
Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.
- Miniature and Instrument Ball Bearings:
Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.
- Max-Type and Conrad Bearings:
Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.
- High-Precision Ball Bearings:
High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.
- High-Speed Ball Bearings:
High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.
In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.


editor by CX 2024-02-11
China OEM C7 Grade Deep Groove Ball Screw Support Bearing Bk35 supplier
Product Description
Ball screw bracket
Explanation:
The ball screw bracket is a bracket that supports the connecting screw and motor bearings.Introducing our high-quality and reliable BK, BF, FK, FF, EK, EF ball screws support bearings with ball screws. Designed to meet the demands of various industries, these ball screw support brackets are the perfect solution for enhancing the performance and efficiency of your machinery.
Crafted with precision and expertise, our ball screw support bearings are engineered to provide exceptional support and stability to ball screws. With their robust construction and advanced design, these support brackets ensure smooth and accurate linear motion, allowing for precise positioning and reduced friction.
Specifications and characteristics
1) It fits well with the ball screw shaft as a whole. (Ball screw components include – ball screw shaft, ball screw nut, nut seat, end support, and coupling) 2) Rolling and grinding 3)
exceed
High precision
4) Low noise
5) Low back gap
6) Large inventory
7) Timely delivery
8) Material is S45C carbon steel
9) No minimum order quantity requirement
We can provide various sizes of end support unit bearings suitable for ball screws and screws.
Ball screw end support device:
| BK type: fixed thrust bearing platform | BK10,BK12,BK15,BK17,BK20,BK25,BK30,BK35,BK40 |
| BF type: radial simply supported | BF10,BF12,BF15,BF17,BF20,BF25,BF30,BF35,BF40 |
| EK type: fixed side | EK5,EK6,EK8,EK10,EK12,EK15,EK20 |
| EF type: floating side | EF6,EF8,EF10,EF12,EF15,EF20 |
| FK type: flange mounted thrust bearing | FK5,FK6,FK8,FK10,FK12,FK15,FK20,FK25,FK30 |
| FF type: easy support for flange installation | FF6,FF10,FF12,FF15,FF20,FF25,FF30 |
Product Description
Product Parameters
Company Profile
ZHangZhoug Weimute Technology Co., Ltd. was founded in 2016 and located in HangZhou, ZHangZhoug Province. Superior location and convenient transportation. We have extensive industry experience and are a trustworthy supplier. The company has advanced production equipment and skilled frontline employees. Our company mainly engages in the production and sales of linear motion bearing series, slider series, ball screw series, linear CZPT rail series, flange linear bearing series, cylinder linear CZPT rail series, joint bearing series, rod end bearing series, radial spherical bearing sliding bearing series, and wheel pin bearing series.Our company knows that its development depends on product innovation and quality. Therefore, our products have strict quality control from raw material procurement to finished product sales. The company has established a quality management system that meets the requirements of the international quality management system. The company continuously innovates according to market and customer needs, always maintaining the novelty and innovation of its products. Our company’s products are sold worldwide. The company has won unanimous recognition from consumers with satisfactory product quality and comprehensive after-sales service. We have a professional research and development team. We can accept OE M and ODM. We sincerely welcome friends from all over the world to visit our company and cooperate with us on the basis of long-term mutual benefit. We look forward to receiving your inquiry soon.
FAQ
Q1: Are you a trading company or a manufacturer?
A: We are a factory.
Q2: How long does your delivery time and shipping time take?
1. Sample delivery time: Generally 7 working days.
2. Production delivery time: 15-20 working days after receiving the deposit.
Q3: Can we provide free samples?
A: Yes, we provide the samples for free, but you will need to bear the shipping cost.
Q4: What payment methods are accepted?
A: We accept payment through TT (bank transfer), L/C, Western Union.
Q5: What are your strengths?
1. Manufacturers with the most competitive prices and good quality.
2. Perfect technical engineers provide you with the best support.
3. OEM available.
4. Rich inventory and fast delivery.
Q6. If you cannot find the product on our website, what should you do next?
A: Please send us an inquiry with product images and drawings via email or other means, and we will check.
Q7: When can I receive the quotation?
We usually provide a quotation within 24 hours after receiving your inquiry. If you are very eager to obtain a price, please call us or let us know in your email so that we can prioritize your inquiry.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Customized: | Non-Customized |
|---|---|
| Certification: | ISO, SGS |
| Standard Parts: | Yes |
| Universal: | Yes |
| Type: | Standard |
| Material: | Carbon Steel |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

How does Preload Affect the Performance and Efficiency of Ball Bearings?
Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:
- Reduction of Internal Clearance:
Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.
- Increased Stiffness:
Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.
- Minimized Axial Play:
Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.
- Enhanced Rigidity:
The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.
- Reduction in Ball Slippage:
Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.
- Improved Running Accuracy:
Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.
- Optimized Performance at High Speeds:
Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.
- Impact on Friction and Heat Generation:
While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.
- Application-Specific Considerations:
The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.
Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

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 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 2024-02-10
China Hot selling High Performance Turbo Deep Groove Ball Bearing 6005 16005 RS with Great quality
Product Description
Product Description
Deep Groove Ball Bearings
Deep groove ball bearing
This is the most widely used ball bearing type. Trapped between the 2 races is a ring of balls that transmit the load and allows rotational motion between the 2 races. The balls are held in place by a retainer.
They have very low rolling friction and are optimized for low noise and low vibration. This makes them ideal for high-speed applications.
They are comparatively easy to install and require minimal maintenance. Care must be taken during installation to prevent denting of the races as they have to be push fit CZPT shafts.
Detailed Photos
Product Parameters
| No. | Size | Rated load | Weight | ||||||||||
| Inner Diameter | Out Diameter | Width (B) | Chamfering | Dynamic | Static | ||||||||
| d | D | Open Type | Shielded Type | rsmin (r) | Cr | Cr | Close | ||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | N | KG | |
| 603 | 3 | 0.1181 | 9 | 0.3543 | 3 | 0.1181 | 5 | 0.1181 | 0.2 | 0.008 | 486 | 223 | 0.0014 |
| 604 | 4 | 0.1575 | 12 | 0.4724 | 4 | 0.1575 | 4 | 0.1575 | 0.2 | 0.008 | 960 | 350 | 0.571 |
| 605 | 5 | 0.1969 | 14 | 0.5512 | 5 | 0.1969 | 5 | 0.1969 | 0.2 | 0.008 | 1070 | 420 | 0.0037 |
| 606 | 6 | 0.2362 | 17 | 0.6693 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 1960 | 730 | 0.0069 |
| 607 | 7 | 0.2756 | 19 | 0.7480 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2800 | 1060 | 0.0082 |
| 608 | 8 | 0.3150 | 22 | 0.8661 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 3290 | 1360 | 0.0129 |
| 609 | 9 | 0.3543 | 24 | 0.9449 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 3330 | 1410 | 0.0160 |
| 6000 | 10 | 0.3937 | 26 | 1.5716 | 8 | 0.3150 | 8 | 0.3150 | 0.3 | 0.012 | 4160 | 1780 | 0.0190 |
| 6001 | 12 | 0.4724 | 28 | 1.1571 | 8 | 0.3150 | 8 | 0.3150 | 0.3 | 0.012 | 5110 | 2380 | 0.5710 |
| 6002 | 15 | 0.5906 | 32 | 1.2598 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 5590 | 2840 | 0.0300 |
| 6003 | 17 | 0.6693 | 35 | 1.3780 | 10 | 0.3937 | 10 | 0.3937 | 0.3 | 0.012 | 6000 | 3250 | 0.0390 |
| 6004 | 20 | 0.7874 | 42 | 1.6535 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 9390 | 5571 | 0.0690 |
| 6005 | 25 | 0.9843 | 47 | 1.8504 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 10060 | 5860 | 0.0800 |
| 6006 | 30 | 1.1811 | 55 | 2.1654 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 11900 | 7460 | 0.1160 |
| 6007 | 35 | 1.3780 | 62 | 2.4409 | 14 | 0.5512 | 14 | 0.5512 | 1 | 0.039 | 16210 | 10420 | 0.1150 |
| 6008 | 40 | 1.5748 | 68 | 2.6677 | 15 | 0.5906 | 15 | 0.5906 | 1 | 0.039 | 17030 | 11700 | 0.1920 |
| 6009 | 45 | 1.7717 | 75 | 2.9528 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.039 | 21080 | 14780 | 0.2450 |
| 6571 | 50 | 1.9685 | 80 | 3.1496 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.039 | 22000 | 16260 | 0.2610 |
| 60/22 | 22 | 0.8661 | 44 | 1.7323 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 9400 | 5050 | 0.0740 |
| 60/28 | 28 | 1.1571 | 52 | 2.571 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 12500 | 7400 | 0.0980 |
| 60/32 | 32 | 1.2598 | 58 | 2.2835 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 15100 | 9150 | 0.1290 |
| No. | Size | Rated load | Weight | ||||||||||
| Inner Diameter | Out Diameter | Width (B) | Chamfering | Dynamic | Static | ||||||||
| d | D | Open Type | Shielded Type | rsmin (r) | Cr | Cr | Close | ||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | N | KG | |
| 623 | 3 | 0.1181 | 10 | 0.3937 | 4 | 0.1575 | 4 | 0.1575 | 0.15 | 0.006 | 640 | 220 | 0.0016 |
| 624 | 4 | 0.1575 | 13 | 0.5118 | 5 | 0.1969 | 5 | 0.1969 | 0.2 | 0.008 | 1150 | 400 | 0.0032 |
| 625 | 5 | 0.1969 | 16 | 0.6299 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 1880 | 680 | 0.0051 |
| 626 | 6 | 0.2362 | 19 | 0.7480 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2800 | 1060 | 0. |
| 627 | 7 | 0.2756 | 22 | 0.8661 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 3290 | 1360 | 0.0131 |
| 628 | 8 | 0.3150 | 24 | 0.9449 | 8 | 0.3150 | 8 | 0.3150 | 0.3 | 0.012 | 3330 | 1410 | 0.0170 |
| 629 | 9 | 0.3543 | 26 | 1.5716 | 8 | 0.3150 | 8 | 0.3150 | 0.3 | 0.012 | 4160 | 1780 | 0.0191 |
| 6200 | 10 | 0.3937 | 30 | 1.1811 | 9 | 0.3543 | 9 | 0.3543 | 0.6 | 0.571 | 5110 | 2380 | 0.0320 |
| 6201 | 12 | 0.4724 | 32 | 1.2598 | 10 | 0.3937 | 10 | 0.3937 | 0.6 | 0.571 | 6180 | 3060 | 0.571 |
| 6202 | 15 | 0.5906 | 35 | 1.3780 | 11 | 0.4331 | 11 | 0.4331 | 0.6 | 0.571 | 7450 | 3700 | 0.0450 |
| 6203 | 17 | 0.6693 | 40 | 1.5748 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 9560 | 4780 | 0.0650 |
| 6204 | 20 | 0.7874 | 47 | 1.8504 | 14 | 0.5512 | 14 | 0.5512 | 1 | 0.039 | 12840 | 6650 | 0.1060 |
| 6205 | 25 | 0.9843 | 52 | 2.571 | 15 | 0.5906 | 15 | 0.5906 | 1 | 0.039 | 14571 | 7930 | 0.1280 |
| 6206 | 30 | 1.1811 | 62 | 2.4409 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.039 | 19460 | 11310 | 0.1990 |
| 6207 | 35 | 1.3780 | 72 | 2.8346 | 17 | 0.6693 | 17 | 0.6693 | 1.1 | 0.043 | 25670 | 15300 | 0.2880 |
| 6208 | 40 | 1.5748 | 80 | 3.1496 | 18 | 0.7087 | 18 | 0.7087 | 1.1 | 0.043 | 29520 | 18140 | 0.3660 |
| No. | Size | Rated load | Weight | ||||||||||
| Inner Diameter | Out Diameter | Width (B) | Chamfering | Dynamic | Static | ||||||||
| d | D | Open Type | Shielded Type | rsmin (r) | Cr | Cr | Close | ||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | N | KG | |
| 633 | 3 | 0.1181 | 13 | 0.5118 | 5 | 0.1969 | 5 | 0.1969 | 0.2 | 0.008 | 1300 | 485 | 0.0034 |
| 634 | 4 | 0.1575 | 16 | 0.6299 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 1880 | 680 | 0.0054 |
| 635 | 5 | 0.1969 | 19 | 0.7480 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2810 | 1060 | 0.0089 |
| 636 | 6 | 0.2362 | 22 | 0.8661 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 3290 | 1360 | 0.0145 |
| 637 | 7 | 0.2756 | 26 | 1.5716 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 3340 | 1410 | 0.5718 |
| 638 | 8 | 0.3150 | 28 | 1.1571 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 4160 | 1780 | 0.0303 |
| 639 | 9 | 0.3543 | 30 | 1.1811 | 10 | 0.3937 | 10 | 0.3937 | 0.6 | 0.571 | 5120 | 2390 | 0.571 |
| 6300 | 10 | 0.3937 | 35 | 1.3780 | 11 | 0.4331 | 11 | 0.4331 | 0.6 | 0.571 | 7640 | 3470 | 0.571 |
| 6301 | 12 | 0.4724 | 37 | 1.4567 | 12 | 0.4724 | 12 | 0.4724 | 1 | 0.039 | 9700 | 4190 | 0.0600 |
| 6302 | 15 | 0.5906 | 42 | 1.6535 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 11400 | 5430 | 0.0820 |
| 6303 | 17 | 0.6693 | 47 | 1.8504 | 14 | 0.5512 | 14 | 0.5512 | 1 | 0.039 | 13580 | 6580 | 0.1150 |
| 6304 | 20 | 0.7874 | 52 | 2.0742 | 15 | 0.5906 | 15 | 0.5906 | 1.1 | 0.043 | 15940 | 7880 | 0.1490 |
| 6305 | 25 | 0.9843 | 62 | 2.4409 | 17 | 0.6693 | 17 | 0.6693 | 1.1 | 0.043 | 22380 | 11490 | 0.2320 |
| 6306 | 30 | 1.1811 | 72 | 2.8346 | 19 | 0.7480 | 19 | 0.7480 | 1.1 | 0.043 | 27000 | 15200 | 0.3490 |
| 63/22 | 22 | 0.8661 | 56 | 2.2047 | 16 | 0.6299 | 16 | 0.6299 | 1.1 | 0.043 | 18400 | 9250 | 0.1760 |
| 63/28 | 28 | 1.1571 | 68 | 2.6772 | 18 | 0.7087 | 18 | 0.7087 | 1.1 | 0.043 | 26800 | 14000 | 0.2870 |
| 63/32 | 32 | 1.2598 | 75 | 2.9528 | 20 | 0.7874 | 20 | 0.7874 | 1.1 | 0.043 | 30000 | 16200 | 0.3820 |
| No. | Size | Rated load | Weight | ||||||||||
| Inner Diameter | Out Diameter | Width (B) | Chamfering | Dynamic | Static | ||||||||
| d | D | Open Type | Shielded Type | rsmin (r) | Cr | Cr | Close | ||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | N | KG | |
| 683 | 3 | 0.1181 | 7 | 0.2756 | 2 | 0.0787 | 3 | 0.1181 | 0.1 | 0.004 | 420 | 135 | 0.571 |
| 684 | 4 | 0.1575 | 9 | 0.3543 | 2.5 | 0.0984 | 4 | 0.1575 | 0.1 | 0.004 | 480 | 170 | 0.571 |
| 685 | 5 | 0.1969 | 11 | 0.4331 | 3 | 0.1181 | 5 | 0.1969 | 0.15 | 0.006 | 770 | 320 | 0.0019 |
| 686 | 6 | 0.2362 | 13 | 0.5118 | 3.5 | 0.1378 | 5 | 0.1969 | 0.15 | 0.006 | 1080 | 440 | 0.0571 |
| 687 | 7 | 0.2756 | 14 | 0.5512 | 3.5 | 0.1378 | 5 | 0.1969 | 0.15 | 0.006 | 1170 | 510 | 0.0030 |
| 688 | 8 | 0.3150 | 16 | 0.6299 | 4 | 0.1575 | 5 | 0.1969 | 0.2 | 0.008 | 1250 | 590 | 0.0038 |
| 689 | 9 | 0.3543 | 17 | 0.6693 | 4 | 0.1575 | 5 | 0.1969 | 0.2 | 0.008 | 1330 | 660 | 0.0440 |
| 6800 | 10 | 0.3937 | 19 | 0.7480 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 1590 | 750 | 0.0050 |
| 6801 | 12 | 0.4724 | 21 | 0.8268 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 1910 | 1040 | 0.0060 |
| 6802 | 15 | 0.5906 | 24 | 0.9449 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 2070 | 1250 | 0.0070 |
| 6803 | 17 | 0.6693 | 26 | 1.5716 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 2130 | 1360 | 0.0080 |
| 6804 | 20 | 0.7874 | 32 | 1.2598 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 3480 | 2230 | 0.0190 |
| 6805 | 25 | 0.9843 | 37 | 1.4567 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 3680 | 2630 | 0.5710 |
| 6806 | 30 | 1.1811 | 42 | 1.6535 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 4000 | 3150 | 0.0260 |
| 6807 | 35 | 1.3780 | 47 | 1.8504 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 4270 | 3600 | 0.5710 |
| 6808 | 40 | 1.5748 | 52 | 2.571 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 4410 | 3890 | 0.0330 |
| 6809 | 45 | 1.7717 | 58 | 2.2835 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 4590 | 4330 | 0.0400 |
| 6810 | 50 | 1.9685 | 65 | 2.5591 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 6610 | 6080 | 0.0520 |
| 6811 | 55 | 2.1654 | 72 | 2.3846 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 8530 | 8080 | 0. 0571 |
| 6812 | 60 | 2.3622 | 78 | 3.0709 | 10 | 0.3937 | 10 | 0.3937 | 0.3 | 0.012 | 9200 | 8760 | 0.1060 |
| 6813 | 65 | 2.5591 | 85 | 3.3465 | 10 | 0.3937 | 10 | 0.3937 | 0.6 | 0.571 | 1571 | 9420 | 0.1250 |
| 6814 | 70 | 2.7559 | 90 | 3.5433 | 10 | 0.3937 | 10 | 0.3937 | 0.6 | 0.571 | 1571 | 10090 | 0.1350 |
| 6815 | 75 | 2.9528 | 95 | 3.7402 | 10 | 0.3937 | 10 | 0.3937 | 0.6 | 0.571 | 11230 | 1571 | 0.1450 |
| 6816 | 80 | 3.1496 | 100 | 3.9370 | 10 | 0.3937 | 10 | 0.3937 | 0.6 | 0.571 | 11320 | 11080 | 0.1550 |
| 6817 | 85 | 3.3465 | 110 | 4.3307 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 17599 | 18300 | 0.2650 |
| 6818 | 90 | 3.5433 | 115 | 4.5276 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 17853 | 18961 | 0.2800 |
| No. | Size | Rated load | Weight | ||||||||||
| Inner Diameter | Out Diameter | Width (B) | Chamfering | Dynamic | Static | ||||||||
| d | D | Open Type | Shielded Type | rsmin (r) | Cr | Cr | Close | ||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | N | KG | |
| 6819 | 95 | 3.7402 | 120 | 4.7244 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.0390 | 18089 | 19616 | 0.2980 |
| 6820 | 100 | 3.9370 | 125 | 4.9213 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.0390 | 18340 | 20266 | 0.3110 |
| 6821 | 105 | 4.1339 | 130 | 5.1181 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.0390 | 18912 | 20924 | 0.3250 |
| 6822 | 110 | 4.3307 | 140 | 5.5118 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.0390 | 28100 | 30700 | 0.5100 |
| 6824 | 120 | 4.7244 | 150 | 5.9055 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.0390 | 28900 | 32900 | 0.5490 |
| 6826 | 130 | 5.1181 | 165 | 6.4961 | 18 | 0.7087 | 18 | 0.7087 | 1.1 | 0.0430 | 37900 | 42900 | 0.7900 |
| 6828 | 140 | 5.1181 | 175 | 6.8898 | 18 | 0.7087 | 18 | 0.7087 | 1 | 0. 0571 | 38200 | 44300 | 0.9900 |
| 6830 | 150 | 5.9055 | 190 | 7.4803 | 20 | 0.7874 | 20 | 0.7874 | 1 | 0. 0571 | 49100 | 57100 | 1.5000 |
| 6832 | 160 | 6.2992 | 200 | 7.8740 | 20 | 0.7874 | 20 | 0.7874 | 1 | 0. 0571 | 49600 | 59100 | 1.7000 |
| 6834 | 170 | 6.6929 | 215 | 8.4646 | 22 | 0.8661 | 22 | 0.8661 | 1 | 0. 0571 | 61500 | 73300 | 1.9000 |
| 6836 | 180 | 7.0866 | 225 | 8.8582 | 22 | 0.8661 | 22 | 0.8661 | 1 | 0. 0571 | 62300 | 75900 | 2.0000 |
| 6838 | 190 | 7.4803 | 240 | 9.4480 | 24 | 0.9449 | 24 | 0.9449 | 1.5 | 0.0590 | 75100 | 91600 | 2.1000 |
| 6840 | 200 | 7.8740 | 250 | 9.8425 | 24 | 0.9449 | 24 | 0.9449 | 1.5 | 0.0590 | 74200 | 91200 | 2.3800 |
| 6844 | 220 | 8.6614 | 270 | 10.6299 | 24 | 0.9499 | – | – | 1.5 | 0.0590 | 76400 | 97800 | 2.7900 |
| 6848 | 240 | 9.4488 | 300 | 11.8110 | 28 | 1.1571 | – | – | 2 | 0.0787 | 83500 | 108000 | 4.5000 |
| 6852 | 260 | 10.2362 | 320 | 12.5984 | 28 | 1.1571 | – | – | 2 | 0.0787 | 95000 | 128000 | 4.8500 |
| 6856 | 280 | 11.5716 | 350 | 13.7795 | 33 | 1.2992 | – | – | 2 | 0.0787 | 135000 | 178000 | 7.6000 |
| 6860 | 300 | 11.8110 | 380 | 14.9606 | 38 | 1.4960 | – | – | 2 | 0.0787 | 162000 | 222000 | 11.0000 |
| 6864 | 320 | 12.5984 | 400 | 15.7480 | 38 | 1.4960 | – | – | 2 | 0.0787 | 168000 | 235000 | 12.0000 |
| 6872 | 360 | 14.1732 | 440 | 17.3228 | 38 | 1.4960 | – | – | 2.5 | 0.0984 | – | – | 12.2000 |
| 6876 | 380 | 14.9606 | 480 | 18.8976 | 46 | 1.8110 | – | – | 2.5 | 0.0984 | 168000 | 235000 | 20.5000 |
| 6880 | 400 | 15.7480 | 500 | 19.6850 | 46 | 1.8110 | – | – | 2.5 | 0.0984 | – | – | 21.7000 |
| 6884 | 420 | 16.5354 | 520 | 20.4724 | 46 | 1.8110 | – | – | 2.5 | 0.1377 | 251000 | 425000 | 22.0000 |
| 6888 | 440 | 17.3228 | 540 | 21.2598 | 46 | 1.8110 | – | – | 2.5 | 0.0984 | – | – | 24.0000 |
| 6892 | 460 | 18.1102 | 580 | 22.8346 | 56 | 2.2047 | – | – | 3 | 0.1181 | – | – | 33.5000 |
| No. | Size | Rated load | Weight | ||||||||||
| Inner Diameter | Out Diameter | Width (B) | Chamfering | Dynamic | Static | ||||||||
| d | D | Open Type | Shielded Type | rsmin (r) | Cr | Cr | Close | ||||||
| mm | inch | mm | inch | mm | inch | mm | inch | mm | inch | N | N | KG | |
| 693 | 3 | 0.1181 | 8 | 0.3150 | 3 | 0.1181 | 4 | 0.1575 | 0.15 | 0.006 | 430 | 170 | 0.0008 |
| 694 | 4 | 0.1575 | 11 | 0.4331 | 4 | 0.1575 | 4 | 0.1575 | 0.15 | 0.006 | 960 | 350 | 0.0017 |
| 695 | 5 | 0.1969 | 13 | 0.5118 | 4 | 0.1575 | 4 | 0.1575 | 0.2 | 0.008 | 1070 | 420 | 0.571 |
| 696 | 6 | 0.2362 | 15 | 0.5906 | 5 | 0.1969 | 5 | 0.1969 | 0.2 | 0.008 | 1470 | 600 | 0.0036 |
| 697 | 7 | 0.2756 | 17 | 0.6693 | 5 | 0.1969 | 5 | 0.1969 | 0.3 | 0.012 | 1600 | 710 | 0.0050 |
| 698 | 8 | 0.3150 | 19 | 0.7480 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2230 | 910 | 0.0076 |
| 699 | 9 | 0.3543 | 20 | 0.7874 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2480 | 1090 | 0.0085 |
| 6900 | 10 | 0.3937 | 22 | 0.8661 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2690 | 1270 | 0.5710 |
| 6901 | 12 | 0.4724 | 24 | 0.9449 | 6 | 0.2362 | 6 | 0.2362 | 0.3 | 0.012 | 2890 | 1460 | 0.0120 |
| 6902 | 15 | 0.5906 | 28 | 1.1571 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 4320 | 2250 | 0.0180 |
| 6903 | 17 | 0.6693 | 30 | 1.1811 | 7 | 0.2756 | 7 | 0.2756 | 0.3 | 0.012 | 4590 | 2550 | 0.0190 |
| 6904 | 20 | 0.7874 | 37 | 1.4567 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 6370 | 3680 | 0.0380 |
| 6905 | 25 | 0.9843 | 42 | 1.6535 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 6660 | 4180 | 0.0440 |
| 6906 | 30 | 1.1811 | 47 | 1.8504 | 9 | 0.3543 | 9 | 0.3543 | 0.3 | 0.012 | 7240 | 5571 | 0.0500 |
| 6907 | 35 | 1.3780 | 55 | 2.1654 | 10 | 0.3543 | 10 | 0.3937 | 0.6 | 0.571 | 10390 | 7160 | 0.7500 |
| 6908 | 40 | 1.5748 | 62 | 2.4409 | 12 | 0.3937 | 12 | 0.4724 | 0.6 | 0.571 | 13571 | 9200 | 0.1180 |
| 6909 | 45 | 1.7717 | 68 | 2.6772 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 13490 | 10130 | 0.1280 |
| 6910 | 50 | 1.9685 | 72 | 2.8346 | 12 | 0.4724 | 12 | 0.4724 | 0.6 | 0.571 | 13900 | 1571 | 0.1330 |
| 6911 | 55 | 2.1654 | 80 | 3.1496 | 13 | 0.4724 | 13 | 0.5118 | 1 | 0.039 | 14820 | 12690 | 0.1770 |
| 6912 | 60 | 2.3622 | 85 | 3.3465 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 15080 | 13480 | 0.1910 |
| 6913 | 65 | 2.5591 | 90 | 3.5433 | 13 | 0.5118 | 13 | 0.5118 | 1 | 0.039 | 19950 | 17490 | 0.2000 |
| 6914 | 70 | 2.7559 | 100 | 3.9370 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.039 | 25950 | 21850 | 0.3270 |
| 6915 | 75 | 2.9528 | 105 | 4.1339 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.039 | 26780 | 23560 | 0.3450 |
| 6916 | 80 | 3.1496 | 110 | 4.3307 | 16 | 0.6299 | 16 | 0.6299 | 1 | 0.039 | 27590 | 25280 | 0.3630 |
| 6917 | 85 | 3.3465 | 120 | 4.7244 | 18 | 0.7087 | 18 | 0.7087 | 1.1 | 0.043 | 31900 | 29700 | 0.5170 |
Product Applications
Company Profile
ZheJiang Jieyi Bearing Co., Ltd. is a more than 10-year history of bearing trading company. We are located in the biggest bearing town in China–Yiandian Town.
Our products include: Deep Groove Ball Bearings, Self-aligning Ball Bearings, Spherical Bearings, Tapered Roller Bearings, Cylindrical Roller Bearings, Needle Roller Bearings, Self-aligning Roller Bearings, Angular Contact Ball Bearings, Thrust Ball Bearings, Trust Roller Bearings and Special Bearings.
Jieyi Bearing has advanced quality testing and inspecting equipment, to guarantee product quality meets customers’ demand. Annually our company′ S export over 10 million dollars.
To service dear customers at the fastest speed, we built a great Warehouse to stock bearings, so as to ship your required bearings fast. Inside of the bearing warehouse, there is all sourcing of bearing stock, with all kinds of bearings, over 10000 types.
Jieyi Bearing also provides OEM service, such as bearing quality, noise level, grease brand, packing method, etc. We have enough OEM experience, and have a complete OEM manual for customer reference.
Products have been selling well in the American, French, Spanish, Austria, Italian, the U. A. E. Saudi, Pakistan, India, and Brizal markets.
With over 10 years′ Experience in bearings market, Jieyi Bearing have built up good relationship with all of our customers and quality factory. We always get satisfactory feedback from our customers because of the high quality products and good OEM service. We always supply the quality, stable, economical bearings and proper technical services.
Welcome to people of various enterprises with advance!
OEM Service
Jieyi Bearing also provides OEM service, such as bearing quality, noise level, grease brand, packing method, etc. We have enough OEM experience, and have a complete OEM manual for customer reference.
Our Advantages
WHY CHOOSE US?
1. BETTER COMMUNICATION
JVZB Bearing understands customer service more so than factories, we focus entirely on the customer so it is often easier to communicate with you.
2. FAVORABLE PRICING
JVZB Beaing often uses factories that are not big enough to have their own international sales team or export license. This means: we can work with factories that have lower prices than some easy-to-find competitors online.
3. LOW MOQ
We have great relationships with factories or have product stock on hand, CZPT to offer lower order quantities for the small sized importer.
4. SUPPLIER VERIFICATION
JVZB Bearing have more than 10 years of long-standing relationships with the factories, so we are aware of the capabilities of each. If you need, we can visit the factory to carry out product inspections and check up on an order.
5. QC CONTROL
JVZB Bearing have our own quality inspection laboratory with advanced testing equipment, we are CZPT to reasonably ensure the quality of the finished products.
6. MULTIPLE VARIETY PURCHASE
In fact, bearing factories usually only produce 1 type of bearing, or even focus on producing several models. If you want multiple items sourced for 1 product, we can help. This is a great way to source more products and do so quickly and efficiently.
7. OEM or OEM SERVICE
If you need special package or special labeling, we are glad to support OEM or OEM service.
Product List
Deeo Groove Ball Bearing
Spherical Roller Bearing
Taper Roller Bearing
Needle Roller Bearing
Pillow Block Bearing
Ceramic Bearing
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Types: | Deep Groove Ball Bearing |
|---|---|
| Clearance: | C1 C2 C3 C5 |
| Percision: | P0 P6 P5 P4 |
| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|

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 Temperature and Environmental Conditions Affect the Performance of Ball Bearings?
Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:
- Lubrication:
Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.
- Material Properties:
Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.
- Clearance Changes:
Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.
- Corrosion and Contamination:
Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.
- Thermal Stress:
Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.
- Noise and Vibration:
Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.
- Lubricant Degradation:
Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.
- Seal Effectiveness:
Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.
- Choosing Appropriate Bearings:
When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.
Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.

What are the Different Components that Make up a Typical Ball Bearing?
A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:
- Outer Ring:
The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.
- Inner Ring:
The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.
- Balls:
The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.
- Cage or Retainer:
The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.
- Seals and Shields:
Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.
- Lubricant:
Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.
- Flanges and Snap Rings:
In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.
- Raceways:
Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.
- Anti-Friction Shield:
In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.
These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.


editor by CX 2024-02-10
China manufacturer C7 Grade Deep Groove Ball Screw Support Bearing Bk35 with Best Sales
Product Description
Ball screw bracket
Explanation:
The ball screw bracket is a bracket that supports the connecting screw and motor bearings.Introducing our high-quality and reliable BK, BF, FK, FF, EK, EF ball screws support bearings with ball screws. Designed to meet the demands of various industries, these ball screw support brackets are the perfect solution for enhancing the performance and efficiency of your machinery.
Crafted with precision and expertise, our ball screw support bearings are engineered to provide exceptional support and stability to ball screws. With their robust construction and advanced design, these support brackets ensure smooth and accurate linear motion, allowing for precise positioning and reduced friction.
Specifications and characteristics
1) It fits well with the ball screw shaft as a whole. (Ball screw components include – ball screw shaft, ball screw nut, nut seat, end support, and coupling) 2) Rolling and grinding 3)
exceed
High precision
4) Low noise
5) Low back gap
6) Large inventory
7) Timely delivery
8) Material is S45C carbon steel
9) No minimum order quantity requirement
We can provide various sizes of end support unit bearings suitable for ball screws and screws.
Ball screw end support device:
| BK type: fixed thrust bearing platform | BK10,BK12,BK15,BK17,BK20,BK25,BK30,BK35,BK40 |
| BF type: radial simply supported | BF10,BF12,BF15,BF17,BF20,BF25,BF30,BF35,BF40 |
| EK type: fixed side | EK5,EK6,EK8,EK10,EK12,EK15,EK20 |
| EF type: floating side | EF6,EF8,EF10,EF12,EF15,EF20 |
| FK type: flange mounted thrust bearing | FK5,FK6,FK8,FK10,FK12,FK15,FK20,FK25,FK30 |
| FF type: easy support for flange installation | FF6,FF10,FF12,FF15,FF20,FF25,FF30 |
Product Description
Product Parameters
Company Profile
ZHangZhoug Weimute Technology Co., Ltd. was founded in 2016 and located in HangZhou, ZHangZhoug Province. Superior location and convenient transportation. We have extensive industry experience and are a trustworthy supplier. The company has advanced production equipment and skilled frontline employees. Our company mainly engages in the production and sales of linear motion bearing series, slider series, ball screw series, linear CZPT rail series, flange linear bearing series, cylinder linear CZPT rail series, joint bearing series, rod end bearing series, radial spherical bearing sliding bearing series, and wheel pin bearing series.Our company knows that its development depends on product innovation and quality. Therefore, our products have strict quality control from raw material procurement to finished product sales. The company has established a quality management system that meets the requirements of the international quality management system. The company continuously innovates according to market and customer needs, always maintaining the novelty and innovation of its products. Our company’s products are sold worldwide. The company has won unanimous recognition from consumers with satisfactory product quality and comprehensive after-sales service. We have a professional research and development team. We can accept OE M and ODM. We sincerely welcome friends from all over the world to visit our company and cooperate with us on the basis of long-term mutual benefit. We look forward to receiving your inquiry soon.
FAQ
Q1: Are you a trading company or a manufacturer?
A: We are a factory.
Q2: How long does your delivery time and shipping time take?
1. Sample delivery time: Generally 7 working days.
2. Production delivery time: 15-20 working days after receiving the deposit.
Q3: Can we provide free samples?
A: Yes, we provide the samples for free, but you will need to bear the shipping cost.
Q4: What payment methods are accepted?
A: We accept payment through TT (bank transfer), L/C, Western Union.
Q5: What are your strengths?
1. Manufacturers with the most competitive prices and good quality.
2. Perfect technical engineers provide you with the best support.
3. OEM available.
4. Rich inventory and fast delivery.
Q6. If you cannot find the product on our website, what should you do next?
A: Please send us an inquiry with product images and drawings via email or other means, and we will check.
Q7: When can I receive the quotation?
We usually provide a quotation within 24 hours after receiving your inquiry. If you are very eager to obtain a price, please call us or let us know in your email so that we can prioritize your inquiry.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Customized: | Non-Customized |
|---|---|
| Certification: | ISO, SGS |
| Standard Parts: | Yes |
| Universal: | Yes |
| Type: | Standard |
| Material: | Carbon Steel |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?
Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:
- Regular Lubrication:
Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.
- Clean Environment:
Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.
- Proper Installation:
Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.
- Regular Inspections:
Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.
- Temperature Monitoring:
Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.
- Correct Handling:
Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.
- Bearing Removal and Replacement:
Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.
- Alignment Maintenance:
Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.
- Training and Education:
Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.
- Documented Records:
Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.
By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?
Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:
- Size:
The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.
- Load Capacity:
Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.
- Precision:
Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.
- Speed:
Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.
- Friction and Efficiency:
Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.
- Applications:
Miniature ball bearings find applications in various industries and sectors:
- Electronics and Consumer Devices:
They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.
- Medical and Dental Equipment:
Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.
- Robotics and Automation:
Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.
- Aerospace and Defense:
They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.
- Optics and Instrumentation:
Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.
Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

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 2024-02-09