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    AI Overview
    The 6301-2RS (or 6301-2RS1) is a 12mm x 37mm x 12mm single-row deep groove radial ball bearing designed with rubber seals on both sides. It is frequently used in pumps, compressors, and electric motors due to its ability to handle radial and moderate axial loads in both directions. The sealed design prevents contaminants from entering while retaining grease for improved reliability. 
    Common Uses in Pumps and Compressors 
    • Electric Motor Shafts: Used for the electric motor that powers small pumps and compressors.
    • Impeller Support: Supports shaft rotation in centrifugal pumps.
    • Compressor Housings: Used in HVAC systems and air compressors. 
    Key Features and Specifications 
    • Dimensions: 12mm Bore ID, 37mm Outer Diameter, 12mm Width.
    • Sealing: 2RS (Rubber seals on both sides) for protection against dust and moisture.
    • Lubrication: Lifetime lubricated with grease (no relubrication necessary).
    • Speed Rating: Generally handles up to 15,000–20,000 RPM (limiting speeds vary slightly by manufacturer).
    • Material: Usually high-carbon chromium steel for durability.
    • Clearance: Often available in C3 clearance (higher than standard) for applications with high operating temperatures.
    • Interchange Numbers: 6301RS, 6301LLU, 6301DDU, 6301VV, 301KPP. 
    Advantages in Machinery 
    • Excellent Contaminant Protection: 2RS seals offer superior protection compared to metal shields (ZZ), making them ideal for dirty or wet environments.
    • Quiet Operation: Designed to reduce vibrations in electric motors.
    • Reliability: Long service life with reduced maintenance requirements. 
    Typical Brands 
    • SKF: 6301-2RS1/C3
    • Timken: 6301-2RS
    • Koyo: 6301 2RS
    • Other: PGN, FBJ, NSK 
    The 6301-2RS is ideal for applications requiring a durable bearing that can withstand high-speed rotation and prevent grease leakage or contamination, making it a standard choice for both, small pumps and air compressor components. 
    Show more

    Web results

    6300 Series Radial Bearing - 6301-2RS, 12mm ID, 37mm ...


    Bailey International LLC
    https://www.baileyhydraulics.com › ... › Radial
    Bailey International LLC
    https://www.baileyhydraulics.com › ... › Radial
    This .47" ID (12 MM) x 1.45" OD (37 MM) x .47" (12 MM) W Bearing/Bushing is designed for maximum performance to help reduce friction. Grab yours today!
    $4.17 · In stock · $61.36 delivery · 45-day returns
    Missing: Compressors ‎| Show results with: Compressors

    6301-2RS Ball Bearing 12x37x12mm Sealed


    Bearings Direct
    https://bearingsdirect.com › 6301-2rs-ball-bearing-12x3...
    Bearings Direct
    https://bearingsdirect.com › 6301-2rs-ball-bearing-12x3...
    6301-2RS is a Precision Metric Ball Bearing manufactured with Rubber Seals on both sides and is pre-lubricated with Grease, allowing it to be ready for use ...Read more
    $6.60 · In stock · $7.95 delivery · 30-day returns
    Missing: Pumps ‎| Show results with: Pumps
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    People also ask
    What is a 6301 bearing used for?
    6301 Metric Ball Bearings are used in a range of applications requiring moderate radial and axial loads. Such applications would include Robotics, Transmissions, Automotives, Heavy-Duty Industrial Machinery, Factory Automation, Agricultural Equipment, among others.

    6301 Ball Bearing 12x37x12mm Open - Bearings Direct


    Bearings Direct
    https://bearingsdirect.com › ...
    Bearings Direct
    https://bearingsdirect.com › ...
    What does 2RS mean for bearings?
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    Ask anything in AI Mode

    Explain the benefits of 2RS bearings
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    What is the difference between 6302 and 6301 bearings?
    The 6301Z (12mm bore) is a go-to for hub assemblies and clutch housings, while the 6302Z (15mm bore) is perfect for swingarm pivots, rear wheel hubs, and certain engine components.

    Premium Bearing 6300 6301 6302 2Z ZZ 6300Z 6301Z 6302Z Chrome ...


    AliExpress
    https://www.aliexpress.com › ...
    AliExpress
    https://www.aliexpress.com › ...
    What is the load rating of a 6301 bearing?
    Performance
    Basic dynamic load rating2 271 lbf
    Basic static load rating933 lbf
    Reference speed45 000 r/min
    Limiting speed28 000 r/min
    SKF performance classSKF Explorer

    6301 - Deep groove ball bearings - SKF


    SKF
    https://www.skf.com › ball-bearings › productid-6301
    SKF
    https://www.skf.com › ball-bearings › productid-6301

    Web results

    6301-2RS Sealed Deep Groove Ball Bearing For Robust Medium ...


    welinkbearing.com
    https://www.welinkbearing.com › 63 Series
    welinkbearing.com
    https://www.welinkbearing.com › 63 Series
    6301-2RS Sealed Deep Groove Ball Bearing for Robust Medium-Duty Applications | 12×37×12 Mm design offers low noise, stable speed, and long service life.

    6301 2RS Koyo (JTEKT | Single Row Deep Groove Ball Bearing ...


    bearingsrus.com
    https://www.bearingsrus.com › 6301-2rs-jtekt
    bearingsrus.com
    https://www.bearingsrus.com › 6301-2rs-jtekt
    This makes them particularly suitable for electric motors, fans, pumps, compressors, and other continuously rotating equipment. Sealing and Shielding ...

    6301-2RS SKF Brand Rubber Seal Ball Bearing 12x37x12 ...


    JSB Great Bearing
    https://jsbgreatbearings.com › ... › 63 Series › 6301
    JSB Great Bearing
    https://jsbgreatbearings.com › ... › 63 Series › 6301
    6301-2RS SKF Brand Rubber Seal Ball Bearing 12x37x12 6301 2RS 6301RS. $13.00. Free shipping in USA. SKF Brand Bearings. 9990 in stock. Quantity, Price ...Read more
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    Web results

    6301-2RS BEARING, DOUBLE SEALED


    eBay
    https://www.ebay.com › ... › Other HVAC & Refrigeration
    eBay
    https://www.ebay.com › ... › Other HVAC & Refrigeration
    6301-2RS BEARING, DOUBLE SEALED ; Condition. New ; Quantity. 11 sold. More than 10 available ; Item number. 332671048556 ; Country of Origin. China ; Model. 6301-2RS ...Read more
    6301-2RS for Pumps and Compressors from www.ebay.com
    $11.25 · $7.95 delivery

    6301-2RS Bearings


    McMaster-Carr
    https://www.mcmaster.com › products › bearings › beari...
    McMaster-Carr
    https://www.mcmaster.com › products › bearings › beari...
    Choose from our selection of 6301-2RS bearings, including ball bearings, plain bearings, and more. Same and Next Day Delivery.

    6301RS 6301ZZ 12 * 37 * 12mm 6301 2RS 2Z Ball ...


    Amazon.com
    https://www.amazon.com › ...
    Amazon.com
    https://www.amazon.com › ...
    6301RS 6301ZZ 12 * 37 * 12mm 6301 2RS 2Z Ball Bearings 183010 RS 6301-2Z 1Pcs(6301-2RS): Amazon.com: Industrial & Scientific.

    6301 2RS KOYO Deep Groove Bearing - 12 x 37 x 12mm


    Quality Bearings Online
    https://www.qualitybearingsonline.com › Brands
    Quality Bearings Online
    https://www.qualitybearingsonline.com › Brands
    This 6301 2RS KOYO bearing is a Sealed Deep Groove Radial Ball Bearing with a standard radial internal clearance. The bearing's dimensions are 12x37x12.Read more
    £7.68 · 5.0(1) · Free delivery over $500 · 14-day returns
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    r/RollerBearings - 6301-2rs vs 6301du2


    Reddit · r/RollerBearings
    9 comments · 1 year ago
    Reddit · r/RollerBearings
    9 comments · 1 year ago
    Different designations between brands for the same thing. All three part numbers listed denote a 6301 deep groove ball bearing with 2 rubber contact seals.Read more
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