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6702 Open Deep Groove Ball Bearings 15X21X4mmThin Section Robot Bearing 61702

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    Buy cheap 6702 Open Deep Groove Ball Bearings 15X21X4mmThin Section Robot Bearing 61702 from wholesalers
     
    Buy cheap 6702 Open Deep Groove Ball Bearings 15X21X4mmThin Section Robot Bearing 61702 from wholesalers
    • Buy cheap 6702 Open Deep Groove Ball Bearings 15X21X4mmThin Section Robot Bearing 61702 from wholesalers

    6702 Open Deep Groove Ball Bearings 15X21X4mmThin Section Robot Bearing 61702

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    Brand Name : CNBTZC or OEM
    Model Number : 6702
    Certification : IATF16949:2016
    Price : Please contact us,thanks
    Payment Terms : L/C,T/T
    Supply Ability : 500000pcs per month
    Delivery Time : 2-4 weeks
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    6702 Open Deep Groove Ball Bearings 15X21X4mmThin Section Robot Bearing 61702

    61702 6702 Deep Groove Ball Bearings15mm X 21mm X 4mm Thin Section Robot Bearings

    The 6702 deep groove ball bearing, with dimensions of 15 mm inner diameter × 21mm outer diameter × 4mm width, is renowned for its compact size, high-speed capability, and low noise characteristics.


    Bearing Number
    Boundary Dimensions(mm)Basic Load Rating(N)Limiting Speed(rpm)Reference(kg)
    Weight
    Inner DiameterOuter DiameterWidthChamferDynamicStaticGreaseOil
    dDBB1r(min)CrCorNon-contactWt ≈
    61700ZZ1015340.180039034000400000.00190
    61701ZZ2RS1218440.291053032000380000.00310
    61702ZZ2RS1521440.285049028000320000.00360
    61703ZZ2RS1723440.296061026000300000.00400
    61704ZZ2RS2027440.2103072023000280000.00590
    61705ZZ2RS2532440.2109083019000230000.00700
    61706ZZ2RS3037440.2117098016000190000.00830
    61707ZZ2RS3544550.31850163014000170000.01500
    61708ZZ2RS4050660.32519223412000150000.02300
    61709ZZ2RS4555660.3257724019000130000.02500
    61710ZZ2RS5062660.3266626367000100000.03400
    61711ZZ2RS5568770.328803070500080000.05500

    6702 Ball Bearings 15X21X4mm Specifications & Dimensions

    Universal6702
    TypeDeep Groove Ball
    Inner/Outer Ring/ Ball MaterialChrome Steel
    Cage MaterialSteel
    CageTypePunching
    PrecisionP0,P6
    Inner Dimension d(Ø)(mm)15
    Outer Dimension D(Ø)(mm)21
    Width B (or T)(mm)4
    LubricationGrease
    Load DirectionRadial
    Specifications/EnvironmentStandard
    Number of Raceway Ring RowsSingle Track
    Size StandardsMetric Series

    The 6702 bearing, as a deep groove ball bearing, is widely used across various fields due to its structural design and material adaptability (e.g., ceramic or bearing steel). Below are its typical applications and corresponding technical features:


    1. High-Temperature & Corrosive Environments

    • Chemical Equipment: Used in reactors and pumps that handle strong acids or alkalis.
    • High-Temperature Industrial Equipment: Found in furnaces, steel smelting equipment, and plastic molding machines.
    • Medical Devices: Suitable for sterile, corrosion-resistant surgical tools and testing equipment.

    2. Home Appliances & Power Tools

    • Personal Care Devices: Included in hair curlers, bladeless hair dryers, and electric toothbrushes.
    • Small Motors: Used in vacuum cleaners, juicers, and other home appliances.
    • Power Tools: Applied in grinders, impact drills, and other high-load tools.

    3. Industrial Machinery & Automation

    • CNC Machines: Provides spindle support and guide rail systems with high precision and low friction.
    • Textile Machinery: Used in high-speed spinning machines and looms.
    • Printing Equipment: Ensures wear resistance and stable operation in roller bearing units.

    4. Automotive & Transportation Equipment

    • Automotive Motors: Found in wiper motors and electric window drive components.
    • Bicycle Bottom Brackets: Features a thin-wall design for lightweight requirements.

    5. Precision Instruments & Special Applications

    • Non-Magnetic Equipment: Ideal for laboratory instruments and demagnetization devices.
    • High-Speed Equipment: Used in centrifuges and precision optical instruments.

    6. Other Fields

    • Food Machinery: Stainless steel bearings are used in packaging and filling equipment, requiring frequent cleaning and rust prevention.
    • Energy Equipment: Small transmission components in wind turbines.

    If you need more detailed information , feel free to ask!

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