Product Description

High Life/Low Noise 6200 Size 10*30*9mm Z3V3 Single Row Deep Groove Ball Bearing

Product Description

Deep groove ball bearings The original list of radial ball bearings is the most widely used type of rolling bearings. It is characterized by small frictional resistance and high speed, and can be used on parts that bear radial loads or joint loads that act simultaneously in radial and axial directions, and can also be used on parts that bear axial loads.

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
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 
62/22 22 0.8661  50 1.9685  14 0.5512  14 0.5512  1 0.039  13900 6950 0.1200 
62/28 28 1.1571  58 2.2835  16 0.6299  16 0.6299  1 0.039  17900 9750 0.1750 
62/32 32 1.2598  65 2.5591  17 0.6693  17 0.6693  1 0.039  22400 13100 0.2300 

Packaging & Shipping

Plastic bag + single box + carton + tray;
Industrial packaging + carton + pallet;
Can be based on customer requires

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 and 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!


Always a pre-production sample before mass production;
Always final Inspection before shipment;

Deep Groove Ball Bearings, Spherical Roller Bearings, Cylindrical Roller Bearings, Tapered Roller Bearings and Ceramic Bearings.

Specilizing In various types of bearings

Accepted Delivery Terms: FOB,CFR,CIF;
Accepted Payment Currency: USD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken: English,Chinese

More Products


Specific applications of deep groove ball bearings.
Aircraft models, remote control cars, machine tools, motors, pumps, agricultural machinery, textile machinery, laser printers, instruments, measuring instruments, electronic parts, etc.

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Contact Angle: 15°
Aligning: Aligning Bearing
Separated: Separated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
US$ 0.1/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

steel ball bearing

How do steel ball bearings enhance the overall efficiency and functionality of machinery and equipment?

Steel ball bearings play a crucial role in enhancing the overall efficiency and functionality of machinery and equipment. They provide various benefits that improve performance, reduce friction, and enable smooth operation. Here are some ways in which steel ball bearings enhance the efficiency and functionality of machinery and equipment:

1. Friction Reduction:

Steel ball bearings are designed to minimize friction between moving parts. The rolling motion of the steel balls reduces the contact area and frictional resistance compared to sliding contact. This reduction in friction results in less energy loss and improved mechanical efficiency. By reducing friction, steel ball bearings help optimize the operation of machinery and equipment, leading to lower energy consumption and increased overall efficiency.

2. Load Distribution:

Steel ball bearings distribute loads evenly across their contact surfaces. This load distribution capability allows machinery and equipment to handle higher loads without excessive wear or premature failure. By evenly distributing the applied loads, steel ball bearings help prevent localized stress concentrations, prolonging the service life of the equipment and reducing the need for frequent maintenance or replacements.

3. High-Speed Capability:

Steel ball bearings are well-suited for high-speed applications. The rolling element design and low friction characteristics allow steel ball bearings to operate efficiently at high rotational speeds. They can withstand the centrifugal forces generated at high speeds while maintaining stability and precision. The ability of steel ball bearings to handle high speeds enables machinery and equipment to operate at optimal performance levels, resulting in improved productivity and throughput.

4. Precision and Accuracy:

Steel ball bearings contribute to the precision and accuracy of machinery and equipment. The uniform size and shape of the steel balls, combined with precise manufacturing tolerances, result in consistent and predictable bearing performance. This precision allows for accurate positioning, smooth motion control, and reliable operation of machinery and equipment. Whether it’s in machine tools, robotics, or other precision applications, steel ball bearings help maintain the required levels of precision and accuracy.

5. Vibration and Noise Reduction:

Steel ball bearings help reduce vibration and noise levels in machinery and equipment. The rolling motion of the steel balls dampens vibrations generated during operation, leading to smoother and quieter performance. Reduced vibration and noise levels not only improve user comfort but also minimize the risk of damage to sensitive components and increase the overall reliability of the equipment.

6. Versatility and Adaptability:

Steel ball bearings are available in various configurations, sizes, and designs, making them versatile and adaptable to different applications. Manufacturers offer a wide range of bearing types, such as deep groove ball bearings, angular contact ball bearings, and thrust ball bearings, to suit specific requirements. This versatility allows machinery and equipment designers to select the most appropriate steel ball bearings based on factors such as load capacity, speed, space limitations, and operating conditions. The ability to choose from a diverse range of steel ball bearing options ensures optimal performance and functionality in different industrial sectors.

7. Maintenance and Serviceability:

Steel ball bearings simplify maintenance and serviceability of machinery and equipment. Their durability and resistance to wear minimize the need for frequent maintenance or replacement. Additionally, steel ball bearings can be easily accessed, inspected, and replaced when necessary, reducing downtime and maximizing operational efficiency. Proper lubrication and periodic maintenance of the bearings help ensure their long-term performance and extend the service life of the machinery and equipment.

By enhancing efficiency, reducing friction, enabling high-speed operation, providing precision and accuracy, reducing vibration and noise, offering versatility and adaptability, and simplifying maintenance, steel ball bearings contribute significantly to the overall efficiency and functionality of machinery and equipment in various industries.

steel ball bearing

Can you explain the installation and alignment considerations for steel ball bearings?

Proper installation and alignment are critical for the optimal performance and longevity of steel ball bearings. Let’s explore the key considerations for installing and aligning these bearings:

1. Cleanliness:

Prior to installation, it is essential to ensure that the bearing housing, shaft, and surrounding components are clean and free from dirt, debris, and contaminants. Any particles or impurities can affect the bearing’s performance and cause premature wear or damage. Cleaning the surfaces thoroughly and using appropriate cleaning agents or solvents is recommended.

2. Shaft and Housing Tolerances:

Steel ball bearings require precise shaft and housing tolerances for proper fit and alignment. It is crucial to follow the manufacturer’s specifications and guidelines for the recommended tolerance range. Excessive clearance or interference can lead to improper load distribution, increased friction, and premature failure of the bearing.

3. Bearing Handling:

When handling steel ball bearings, care should be taken to avoid dropping or impacting the bearing. Rough handling can cause damage to the balls, raceways, or cage, compromising the bearing’s performance. It is advisable to use clean gloves and suitable tools to prevent contamination or accidental damage during the installation process.

4. Mounting Methods:

There are various methods for mounting steel ball bearings, including press fitting, thermal expansion, and using mounting tools. The chosen method should be appropriate for the bearing size, type, and application. Applying force evenly and gradually while avoiding excessive pressure is crucial to prevent bearing distortions or misalignment during mounting.

5. Lubrication:

Prior to installation, the bearing should be properly lubricated with the recommended lubricant. Lubrication ensures smooth operation, reduces friction, and protects against premature wear. The appropriate quantity and type of lubricant should be applied according to the manufacturer’s instructions, taking into account factors such as speed, load, and operating conditions.

6. Bearing Alignment:

Proper alignment of steel ball bearings is essential for even load distribution and minimizing stress on the bearing components. Misalignment can lead to increased friction, vibration, and premature failure. Aligning the bearing with the shaft and housing using appropriate alignment tools or techniques, such as dial indicators or laser alignment systems, helps ensure optimal performance and longevity.

7. Preload and Clearance:

Depending on the application, preload or clearance adjustments may be necessary to achieve the desired performance. Preload refers to applying a slight internal axial load to eliminate internal clearance, while clearance allows for a certain level of axial or radial play. The appropriate preload or clearance should be determined based on the manufacturer’s recommendations and the specific operating conditions.

8. Post-Installation Checks:

After the bearing is installed, it is important to perform post-installation checks to verify proper alignment, smooth rotation, and absence of abnormal noise or vibration. These checks can involve verifying the bearing’s axial and radial runout, conducting visual inspections, and monitoring the bearing’s performance during the initial operation.

By considering these installation and alignment considerations for steel ball bearings, it is possible to ensure the correct fit, alignment, and performance of the bearings. Proper installation and alignment contribute to reduced friction, extended bearing life, and reliable operation in various industrial applications.

steel ball bearing

How do steel ball bearings contribute to reduced friction and smooth operation in machinery?

Steel ball bearings play a critical role in reducing friction and ensuring smooth operation in various machinery and mechanical systems. Let’s explore how steel ball bearings achieve these benefits:

1. Rolling Motion: Steel ball bearings operate on the principle of rolling motion. The small spherical balls within the bearing roll between the inner and outer raceways, rather than sliding against each other. This rolling motion significantly reduces friction compared to sliding friction that occurs in plain bearings or bushings. As a result, steel ball bearings minimize energy losses due to friction and enable more efficient operation of machinery.

2. Point Contact: Steel ball bearings feature point contact between the balls and the raceways. This means that only a small area of the ball is in contact with the raceway at any given time. Point contact reduces the contact surface area and, consequently, the frictional resistance. The reduced friction allows the bearing to rotate more freely and with minimal energy loss.

3. Lubrication: Proper lubrication is crucial for the smooth operation of steel ball bearings. Lubricants such as grease or oil are used to reduce friction and wear between the balls and the raceways. Lubrication forms a thin film between the contacting surfaces, providing a barrier that prevents direct metal-to-metal contact. This lubricating film further reduces friction and dissipates heat, improving the overall performance and longevity of the bearing.

4. Precision Manufacturing: Steel ball bearings are manufactured with high precision and tight tolerances. The dimensions, roundness, and surface finish of the balls and raceways are carefully controlled during the manufacturing process. This precision ensures that the balls roll smoothly and with minimal resistance within the bearing. The precise fit between the balls and the raceways contributes to reduced friction and promotes smooth operation.

5. Material Properties: Steel ball bearings are typically made from high-quality steel alloys that exhibit excellent mechanical properties. The steel used in ball bearings is hardened and heat-treated to enhance its strength, durability, and resistance to wear. These material properties allow the bearings to withstand high loads and provide reliable performance over extended periods. The smooth and hard surface of the steel balls also reduces friction and wear between the balls and the raceways.

6. Cage or Retainer: In many steel ball bearings, a cage or retainer is used to separate and maintain proper spacing between the balls. The cage prevents the balls from touching or rubbing against each other, ensuring smooth rolling motion. It also helps to distribute the load evenly among the balls, reducing stress concentrations and minimizing frictional resistance.

7. Noise and Vibration Reduction: Steel ball bearings contribute to the reduction of noise and vibration in machinery. The rolling motion of the balls and the precise fit between the balls and raceways minimize the occurrence of undesirable vibrations and noise generated by friction. This is particularly important in applications where quiet operation is essential, such as in precision machinery or automotive components.

In summary, steel ball bearings reduce friction and enable smooth operation in machinery through rolling motion, point contact, proper lubrication, precision manufacturing, high-quality materials, the use of cages or retainers, and noise/vibration reduction. These factors combined make steel ball bearings essential components in a wide range of applications, contributing to improved efficiency, durability, and performance of machinery and mechanical systems.

China Good quality 62/22zz/2RS Size 22*50*14mm High Quality Chromium Steel Deep Groove Ball Bearings for Agricultural Machinery   bearing bronzeChina Good quality 62/22zz/2RS Size 22*50*14mm High Quality Chromium Steel Deep Groove Ball Bearings for Agricultural Machinery   bearing bronze
editor by CX 2024-04-03

Steel Ball Bearings

As one of the leading steel ball bearings manufacturers, suppliers, and exporters of mechanical products, We offer steel ball bearings and many other products.

Please get in touch with us for details.

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