China factory 6816 61816 1000816 Zz 2z Deep Groove Shielded Thin Ball Bearing with Good quality

Product Description

Product Description

The part numbers we can offer for deep groove bearings are as following:

The bearing Type Specifications Cage Material
New model Old model d*D*B(mm)
61800-Z 1060800 10*19*5 Steel Plate
61800-2Z 1080800 10*19*5 Steel Plate
62800 2000800 10*19*5 Steel Plate
62800-Z 2060800 10*19*5 Steel Plate
62800-2Z 2080800 10*19*5 Steel Plate
61801TN1 1000801A 12*21*5 Nylon
61801 1000801 12*21*5 Steel Plate
61802TN1 1000802A 15*24*5 Nylon
61802 1000802 15*24*5 Steel Plate
61803TN1 1000803A 17*26*5 Nylon
61803 1000803 17*26*5 Steel Plate
61804TN1 1000804A 20*32*7 Nylon
61804 1000804 20*32*7 Steel Plate
61805TN1 1000805A 25*37*7 Nylon
61805 1000805 25*37*7 Steel Plate
61806TN1 1000806A 30*42*7 Nylon
61806 1000806 30*42*7 Steel Plate
61807TN1 1000807A 35*47*7 Nylon
61808TN1 1000808A 40*52*7 Nylon
61809TN1 1000809A 45*58*7 Nylon
61810TN1 100571A 50*65*7 Nylon
61811TN1 1000811A 55*72*9 Nylon
61812TN1 100571A 60*78*10 Nylon
61813TN1 100571A 65*85*10 Nylon
61814TN1 100571A 70*90*10 Nylon
61815TN1 1000815A 75*95*10 Nylon
61816TN1 100571A 80*110*10 Nylon
61816 100571 80*110*13 Steel Plate
61817TN1 100571A 85*110*13 Nylon
61818TN1 100 0571 A 90*115*13 Nylon
61819TN1 100571A 95*120*13 Nylon
61820TN1 1000820A 100*125*13 Nylon
61821TN1 1000821A 105*130*13 Nylon
61821 1000821 105*130*13 Steel Plate
61822TN1 1000822A 110*140*16 Nylon
61822 1000822 110*140*16 Steel Plate
61824TN1 1000824A 120*150*16 Nylon
61824 1000824 120*150*16 Steel Plate
61826 100 0571 130*165*18 Steel Plate
61828 1000828 140*175*18 Steel Plate
61828M 1000828H 140*175*18 Copper
61834M 100571H 170*215*22 Copper
61838M 100 0571 H 190*240*24 Copper
61840M 1000840H 200*250*24 Copper
61852M 100571H 260*320*28 Copper
61860M 10 0H 300*380*28 Copper
61864M 10 4H 320*400*38 Copper
61872 10571 360*440*38 Steel Plate
61876 100571 380*480*46 Steel Plate
61880 1000880 400*500*46 Steel Plate
61888 100 0571 440*540*46 Steel Plate
61892 100571 460*580*56 Steel Plate
618/530 10008/530 530*650*56 Steel Plate
618/670 10008/670 670*820*69 Steel Plate
618/670Q1 10008/670Q 670*820*29 Copper

Any demand for such above bearings,please feel free to contact us 




These thin section bearings should be used in assemblies with space and weight limitations. 61800 series bearings are available in a wide range of dimensions and strengths, capable of handling dynamic loads from 540 N all the way up to 559,000 N.

Available Dimensions:

Bore diameter: 4 mm to 800 mm.

Outer diameter: 9 mm to 980 mm.

Width: 2.8 mm to 82 mm.

More Options: 61800 series bearings can be protected by either metal shields (ZZ) or rubber seals (2RS). Metal shields offer dust and




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



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



    The rotation speed is higher than the other 2 types, and the rolling resistance is low.


    Deep groove ball bearing

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

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

    Packaging & Shipping

    Please contact us for more pictures of different packing.

    Universal Packing

    Without any logo on bearings or packing.

    JDZ Packing

    With our brand JDZ on bearings and packing.

    Customized Packing

    Depends on buyer’s requirements.

    Original Brand Packing

    Bearing and packing are both original. Please contact us for pictures.









    100% Quality inspection to ensure the bearings are with good quality before shipping. 




    Company Profile



    ZheJiang CZPT Precision Bearing Co.,Ltd. was founded by ZheJiang Defa Bearing Co.,Ltd, factory is located in ZheJiang province, China. 
    We are a bearing manufacturer integrating the research, development and sales of bearings, with a floor area of 18,000 square meters and a plant area of 8,800 square meters. Equipped with modern production equipment and advanced detection instruments. 

    We can provide all types bearings and OEM service according to customers’ requirements. 

    Our products are widely used in the automobile, agricultural, textile production, mining, printing and packing industries, in addition to various applications at airports, in air-conditioning systems, conveying devices, ships ad so on. Our products are being exported to more than 50 countries and regions overseas including Singapore, Thailand, Iran, Turkey, Poland, Italy, England, France, Russia, Germany, the United States, Australia, Argentina, Brazil as well as other countries and regions all over the world.

    We are a trusted and reliable bearing supplier, choose us to be your good partner!



    More choices




    1. Q: Are you trading company or manufacturer ?
       A: We have our own factory , our type is factory + trade.

    2. Q: Could you accept OEM and customize?
        A: Yes, we can customize products according to your sample or drawing.

    3. Q: How long is your delivery time? 
        A: If stock, within 7 days to ship or based on your order quantity.

    4. Q: Could you supply sample for free? 
        A: Yes, we can offer the sample for free,do you mind to buy a “ticket” for her?

    More details, please contact with us. Thanks for your time!


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

    Request Sample



    Customized Request

    shielded bearing

    Can shielded bearings be used in high-temperature applications?

    Yes, shielded bearings can be used in high-temperature applications, but their suitability depends on the specific temperature range and the bearing’s design and materials. Here’s a detailed explanation of using shielded bearings in high-temperature applications:

    Shielded bearings are typically constructed with materials that can withstand a wide range of operating temperatures. The primary components of shielded bearings, such as the inner and outer races, rolling elements, and shields, are usually made from materials that exhibit good heat resistance.

    When considering shielded bearings for high-temperature applications, it’s important to pay attention to the following factors:

    1. Temperature range: Determine the expected operating temperature range of your application. Shielded bearings have different temperature limits depending on the materials used. Exceeding these temperature limits can lead to premature bearing failure or degradation of lubrication. Consult the manufacturer’s specifications and guidelines to ensure the selected bearing is suitable for the intended temperature range.
    2. Bearing materials: Consider the materials used in the construction of the shielded bearing. Common materials include steel, stainless steel, ceramics, and high-temperature polymers. Each material has its own temperature limits and characteristics. Stainless steel and ceramic bearings, for example, often exhibit better heat resistance compared to standard steel bearings. Select a bearing material that can withstand the anticipated high temperatures without significant degradation.
    3. Lubrication: High temperatures can impact the performance and stability of lubricants used in shielded bearings. Evaluate the compatibility of the lubricant with the expected operating temperature. Some lubricants may degrade or evaporate at high temperatures, leading to inadequate lubrication and increased friction. Consider using high-temperature lubricants or consult with lubricant manufacturers to ensure proper lubrication under elevated temperature conditions.
    4. Sealing: Shields on shielded bearings provide some protection from external contaminants but may not be fully sealed against high-temperature environments. Consider using additional sealing options such as high-temperature seals or labyrinth seals to prevent the ingress of contaminants and retain lubrication. Proper sealing can help maintain the performance and reliability of the shielded bearing in high-temperature applications.
    5. Application-specific considerations: Some high-temperature applications may involve additional factors that need to be considered. For example, thermal expansion can affect the fit and clearance of the bearing. Expansion of the equipment or thermal cycling may introduce additional stresses on the bearing. Consult with bearing manufacturers or industry experts to address any specific challenges associated with high-temperature applications.

    It’s important to note that while shielded bearings can handle high temperatures, there are limits to their performance. If the operating temperature exceeds the capabilities of shielded bearings, specialized bearing designs, such as high-temperature bearings or ceramic bearings, may be more suitable.

    By carefully selecting shielded bearings with appropriate materials, lubrication, and sealing options, you can ensure their reliable operation in high-temperature applications while minimizing the risk of premature failure or damage.

    shielded bearing

    What materials are shielded bearings commonly made of?

    Shielded bearings are commonly made from various materials to suit different application requirements. Here’s a detailed explanation of the materials that are commonly used to manufacture shielded bearings:

    • Steel: Steel is the most commonly used material for manufacturing shielded bearings. High-quality bearing steel, such as chrome steel (52100), is known for its excellent hardness, wear resistance, and load-carrying capacity. Steel bearings are suitable for a wide range of applications and offer good overall performance.
    • Stainless Steel: Stainless steel bearings are often used in applications where corrosion resistance is required. The stainless steel used in bearings is typically AISI 440C or similar grades, which contain high levels of chromium and provide excellent resistance to rust and corrosion. Stainless steel bearings are commonly used in industries such as food processing, medical equipment, marine, and chemical.
    • Ceramics: Ceramic bearings are gaining popularity due to their exceptional properties. The rolling elements and raceways in ceramic bearings are made from advanced ceramic materials, such as silicon nitride (Si3N4) or zirconia (ZrO2). Ceramic bearings offer advantages like high stiffness, low friction, high temperature resistance, and resistance to corrosion and electrical insulation. They are often used in high-speed applications, high-temperature environments, and industries such as aerospace and semiconductor manufacturing.
    • Plastic: Plastic bearings are used in applications that require lightweight, low friction, and resistance to chemicals or moisture. Common plastic materials used for shielded bearings include polyamide (nylon), acetal (POM), and polytetrafluoroethylene (PTFE). Plastic bearings are commonly found in industries such as electronics, automotive, and conveyor systems.
    • Hybrid: Hybrid bearings combine the advantages of different materials, typically featuring ceramic rolling elements and steel raceways. These bearings provide benefits such as reduced friction, increased speed capability, improved temperature resistance, and extended service life. Hybrid bearings are used in applications where a balance between performance, reliability, and cost is desired.

    The choice of material for shielded bearings depends on factors such as the application requirements, operating conditions (such as load, speed, temperature, and environment), and cost considerations. It’s important to select the appropriate bearing material to ensure optimal performance, reliability, and longevity in a given application.

    When sourcing shielded bearings, ensure that the material specifications and properties meet the specific requirements of your application. Consult with bearing manufacturers or suppliers to determine the most suitable material for your needs.

    shielded bearing

    What are the applications of shielded bearings?

    Shielded bearings find applications in various industries and systems where moderate protection against contamination and retention of lubrication is required. Here’s a detailed explanation of the applications of shielded bearings:

    1. Automotive Industry:

    Shielded bearings are widely used in the automotive industry for various applications, including wheel bearings, engine components, transmission systems, and suspension systems. They provide protection against dust, dirt, and moisture while retaining lubrication, ensuring optimal performance and longevity of automotive components.

    2. Industrial Machinery:

    In industrial machinery, shielded bearings are commonly used in motors, pumps, fans, conveyors, and other rotating equipment. These bearings help prevent the ingress of contaminants, such as particles or debris present in industrial environments, while maintaining lubrication. Shielded bearings are suitable for applications where regular maintenance and relubrication can be performed.

    3. Electric Motors:

    Electric motors, including both AC and DC motors, utilize shielded bearings in their construction. These bearings help protect the internal components of the motor from dust, dirt, and moisture, ensuring smooth operation and extending the motor’s service life. Shielded bearings are often used in motor shafts, pulleys, and other rotating parts.

    4. Appliances:

    Shielded bearings are found in various household appliances, such as washing machines, refrigerators, air conditioners, and vacuum cleaners. They provide protection against contaminants commonly found in domestic environments and help maintain the efficiency and durability of appliance components.

    5. Agricultural Equipment:

    Agricultural machinery, including tractors, harvesters, and irrigation systems, utilize shielded bearings to withstand the challenging conditions encountered in agricultural operations. These bearings protect against dust, dirt, crop debris, and moisture, ensuring reliable performance and reducing downtime in agricultural equipment.

    6. HVAC Systems:

    In heating, ventilation, and air conditioning (HVAC) systems, shielded bearings are used in fans, blowers, pumps, and other components. They help prevent the entry of dust and other contaminants commonly present in HVAC environments, ensuring efficient operation and minimizing maintenance requirements.

    7. Power Tools:

    Shielded bearings are commonly employed in power tools, such as drills, grinders, and saws. They provide protection against dust and debris generated during tool operation, ensuring smooth and reliable performance.

    These are just a few examples of the many applications of shielded bearings. The versatility of shielded bearings makes them suitable for a wide range of industries and systems where moderate contamination protection and lubrication retention are required.

    It’s important to consult with bearing manufacturers, suppliers, or industry experts to select the appropriate shielded bearings for specific applications, taking into account factors such as load capacity, operating conditions, and maintenance requirements.

    China factory 6816 61816 1000816 Zz 2z Deep Groove Shielded Thin Ball Bearing   with Good qualityChina factory 6816 61816 1000816 Zz 2z Deep Groove Shielded Thin Ball Bearing   with Good quality
    editor by CX 2024-05-10

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