Product Description

Deep groove ball bearing 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
Deep groove ball bearing type has single row and double row 2 kinds. divided into sealed and open 2 kinds of structure, open refers to the bearing does not have a sealed structure, sealed deep groove ball bearing is divided into dust-proof seal (2Z)and oil-proof seal (2RS).
Deep groove ball bearing can be used for gearbox, instrument, motor, household appliances,internal combustion engine, traffic vehicles, agricultural machinery, construction machinery, engineering machinery.

NO. Bearing type Dimension(mm) Weight
d D B(Open) B(ZZ/2RS) (KG)
1 R10 15.875 34.925 7.143 8.73 0.037
2 R12 19.05 41.275 7.938 11.112 0.047
3 R14 22.225 47.625 9.525 12.7 0.071
4 R16 25.4 50.8 9.525 12.7 0.085
5 R18 28.575 53.975 9.525 12.7 0.09
6 R20 31.75 57.15 9.525 12.7 0.094
7 R155 3.969 7.938 2.779 3.175  
8 R156 4.763 7.938 2.779 3.175  
9 R166 4.763 9.525 3.175 3.175  
10 R168 6.35 9.525 3.175 3.175  
11 R188 6.35 12.7 3.175 4.763  
12 R1601 4.763 17.462 6.35 7.938  
13 R1603 7.938 22.225 7.142 8.731  
14 R1038 9.525 15.875 3.967 3.967  
15 R1212 12.7 19.05 3.967 3.967  
16 692 2 6 2.3 3 0.00031
17 693 3 8 3 4 0.00061
18 694 4 11 4 4 0.0018
19 695 5 13 4 4 0.0571
20 696 6 15 5 5 0.0038


Long use time is not easy to wear,
meticulous workmanship


Stable operation, not easy to hot
suitable for a variety of scenarios


The product is made
of bearing steel with uniform
hardness and wear resistance

Bearing products are widely used in railway, aerospace, light and heavy industry, food machinery and many other fields.
ZheJiang Deruna Bearing Co., a pro-fessional bearing factory and trading companyin HangZhou, ZheJiang .Now we have a group of outstanding technicalpersonnel with rich experience and many yearsof work,and advanced automatic productionine of bearings.Our factory mainly produce pillow block bearing with housing,deepgroove ball bearing, tapered roller bearing and sales of other types of bearings. With our serious effort in the bearing field for nearly 20 years, we have the extensive experience of working with many internationally renowned companies.

In order to supply even more stable quality to our vast customers, we established a factory in Liao Cheng city,ZheJiang province.

Beside standard specifications, we also provide the customized service.Welcome all of customers visit our factory . We look forward to establishing a good long-termbusiness relationship with you.
1.I couldn’t find a design to fit my application in your catalog. Can you help me design a bearing?

Yes, technical expertise is available to assist you with engineering design for custom products. Available options include, but are not limited to, custom rings, retainers, balls, shields, lubricants, and packaging. We look forward to working with you to satisfy your rotary motion requirements.

2.How Can We Guarantee Quality?

We have professional inspection equipment and quality inspection personnel. Firstly, we will strictly control the production of products in the production process, and strictly screen the finished products after they are finished.

3.How Long is Your Delivery Time?

Generally takes about 7-15 working days for production based on specifications for your order and quantity. Inventory bearings can arrange shipment immediately after payment received.

4.Where is your port of shipment located?

Our main port of shipment is HangZhou & Qindao port, and we may operate at other ports if required by the customer.

5.What is Your Terms of Payment ?

Payment1,000usd, 30% T/t in Advance, Balance Before Shipment.

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Cage: Steel Cage.Copper Cage
Seals Type: Open
Feature: Long Life
Bearings Type: Ball Bearing
Vibration: Z1V1 Z2V2 Z3V3
Aligning: Non-Aligning Bearing
US$ 0.5/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

ball bearing

Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?

Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:

  • Regular Lubrication:

Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.

  • Clean Environment:

Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.

  • Proper Installation:

Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.

  • Regular Inspections:

Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.

  • Temperature Monitoring:

Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.

  • Correct Handling:

Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.

  • Bearing Removal and Replacement:

Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.

  • Alignment Maintenance:

Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.

  • Training and Education:

Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.

  • Documented Records:

Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.

By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.

ball bearing

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?

Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:

  • Contaminant Exclusion:

Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.

  • Lubrication Retention:

Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.

  • Corrosion Prevention:

Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.

  • Extended Bearing Life:

Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.

  • Enhanced Performance in Harsh Environments:

In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.

  • Noise and Vibration Reduction:

Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.

  • Customized Protection:

Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.

  • Trade-Offs:

While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.

Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

ball bearing

What is a Ball Bearing and How does it Function in Various Applications?

A ball bearing is a type of rolling-element bearing that uses balls to reduce friction between moving parts and support radial and axial loads. It consists of an outer ring, an inner ring, a set of balls, and a cage that separates and maintains a consistent spacing between the balls. Here’s how ball bearings function in various applications:

  • Reduction of Friction:

Ball bearings function by replacing sliding friction with rolling friction. The smooth, spherical balls minimize the contact area between the inner and outer rings, resulting in lower friction and reduced heat generation.

  • Radial and Axial Load Support:

Ball bearings are designed to support both radial loads (forces perpendicular to the shaft’s axis) and axial loads (forces parallel to the shaft’s axis). The distribution of balls within the bearing ensures load-carrying capacity in multiple directions.

  • Smooth Rotational Movement:

Ball bearings facilitate smooth and precise rotational movement. The rolling motion of the balls allows for controlled and continuous rotation with minimal resistance.

  • Applications in Machinery:

Ball bearings are used in a wide range of machinery and equipment, including motors, generators, gearboxes, conveyors, and fans. They enable the efficient transfer of motion while reducing wear and energy losses.

  • Automotive Industry:

Ball bearings are extensively used in automobiles for various applications, including wheel hubs, transmission systems, steering mechanisms, and engine components. They provide reliability and durability in challenging automotive environments.

  • Industrial Machinery:

In industrial settings, ball bearings support rotating shafts and ensure the smooth operation of equipment such as pumps, compressors, and machine tools.

  • High-Speed Applications:

Ball bearings are suitable for high-speed applications due to their low friction and ability to accommodate rapid rotation. They are used in applications like electric motors and aerospace components.

  • Precision Instruments:

For precision instruments, such as watches, cameras, and medical devices, ball bearings provide accurate rotational movement and contribute to the overall performance of the instrument.

  • Variety of Sizes and Types:

Ball bearings come in various sizes, configurations, and materials to suit different applications. Different types include deep groove ball bearings, angular contact ball bearings, thrust ball bearings, and more.

In summary, ball bearings are essential components in a wide range of applications where smooth rotation, load support, and reduced friction are critical. Their versatility, reliability, and efficiency make them indispensable in industries spanning from automotive to industrial machinery to precision instruments.

China high quality CZPT CZPT Brand High Precision Deep Groove Ball Bearing 6001 2RS/Zz 12*28*8 for Car   bearing and raceChina high quality CZPT CZPT Brand High Precision Deep Groove Ball Bearing 6001 2RS/Zz 12*28*8 for Car   bearing and race
editor by CX 2024-02-26