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    AI Overview
    6303-ZZ C3 – PFI FERSA
    The 6303 is a versatile, single-row deep groove radial ball bearing, measuring 17mm (ID) x 47mm (OD) x 14mm (Width). Engineered for high speeds, it handles radial and moderate axial loads in electric motors, gearboxes, automotive, and industrial machinery. Options include open (no seal), 2Z (shielded), or 2RS (rubber sealed). 
    Key Features and Specifications 
    • Dimensions:
      17
      ×47
      ×14
      mm
      .
    • Load Capacity: Suitable for radial loads and moderate axial loads in both directions.
    • Speed Capability: High speeds (e.g., 22,000 r/min limiting speed in some specifications, up to 34,000 r/min reference).
    • Variations:
      • Open: Open style, typically used in oil-lubricated systems.
      • 2Z/ZZ: Shielded on both sides, protects against dirt.
      • 2RS: Rubber sealed on both sides, pre-lubricated, better for dust/water resistance.
    • Material: Usually steel, designed for durability in industrial machinery. 
    Common Applications 
    • Electric Motors: Industrial and smaller motors.
    • Automotive: Transmissions, clutches, and alternators.
    • General Machinery: Conveyors, agricultural equipment, pumps, and fans.
    • Specialized Uses: Robotics, hobby projects, and castor wheels. 
    Technical Data (Typical for 6303-2RS) 
    • Basic Dynamic Load Rating:
      ≈14.3
      kN
      .
    • Basic Static Load Rating:
      ≈6.55
      kN
      .
    • Weight:
      ≈0.115
      kg
    • 6303-2RS Bearing 17x47x14 Sealed - VXB Bearings
      It comes pre-lubricated for immediate use in machinery, conveyors, hobby projects, and robotics where reliable radial support is n...
      VXB Bearings
    • 6303-ZZCM | Nsk General Deep Groove Ball Bearing
      Design Features of 6303-ZZCM Bearing. 6303-ZZCM Bearing features deep raceway grooves that enable it to handle both radial and axi...
      LILY Bearing
    • Set of Two 6303-2RS Radial Ball Bearing - 17x47x14 - Mapp Caster
      6303 Radial ball bearings have good load-carrying capacities in both radial and axial directions and is good for high speeds. Comm...
      Mapp Caster
    Show all
    Show more

    Web results

    (50) 6303-2rs Rubber Seal Ball Bearing C3 Emq ...


    Amazon.com
    https://www.amazon.com › k=(50)+6303-2rs+rubber+s...
    Amazon.com
    https://www.amazon.com › k=(50)+6303-2rs+rubber+s...
    ... 17x47x14 mm High Speed Double Rubber Seal Bearings Pre-Lubricated and Stable for Industrial Machinery Repairs 3D Project. Add to cart. See all details.Read more

    6303-2RS Alternator Ball Bearing 17x47x14 Sealed 6303LU


    Bearings Direct
    https://bearingsdirect.com › 6303-2rs-ball-bearing-17x4...
    Bearings Direct
    https://bearingsdirect.com › 6303-2rs-ball-bearing-17x4...
    6303-2RS Bearing is Precision Single Row Radial Ball Bearing Both Sides Rubber Sealed and pre-lubricated with bearing grease to allow them to be ready to use ...Read more
    $4.81

    6303 Deep Groove Ball Bearing For General Machinery And ...


    welinkbearing.com
    https://www.welinkbearing.com › 63 Series
    welinkbearing.com
    https://www.welinkbearing.com › 63 Series
    6303 Deep Groove Ball Bearing For General Machinery And Motor Drives | 17x47x14 mm design offers low noise, stable speed, and long service life.

    6303-ZZCM - Nsk Deep Groove Ball Bearings


    LILY Bearing
    https://www.lily-bearing.com › products › 6303-zzcm
    LILY Bearing
    https://www.lily-bearing.com › products › 6303-zzcm
    Design Features of 6303-ZZCM Bearing. 6303-ZZCM Bearing features deep raceway grooves that enable it to handle both radial and axial loads effectively.Read more

    6303-2RS Bearing 17x47x14 Sealed ✅


    VXB Bearings
    https://vxb.com › products › 6303-2rs-bearing-17x47x...
    VXB Bearings
    https://vxb.com › products › 6303-2rs-bearing-17x47x...
    It comes pre-lubricated for immediate use in machinery, conveyors, hobby projects, and robotics where reliable radial support is needed. ✓ Inner diameter: 17 mmRead more
    $6.99 · 4.7(9) · Free delivery · 30-day returns

    SKF 6303-2rs1 Deep Groove Ball Bearings 17x47x14 Mm


    eBay
    https://www.ebay.com › ... › Ball & Roller Bearings
    eBay
    https://www.ebay.com › ... › Ball & Roller Bearings
    Find many great new & used options and get the best deals for SKF 6303-2rs1 Deep Groove Ball Bearings 17x47x14 Mm at the best online prices at eBay!
    $5.95 to $12.66 · In stock · 4.9(9) · $7.95 delivery
    Popular products
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    Web results

    Item # 6303, Single Row Radial Ball Bearing


    NTN Bearing Finder
    https://bearingfinder.ntnamericas.com › item › 6303
    NTN Bearing Finder
    https://bearingfinder.ntnamericas.com › item › 6303
    Browse Item # 6303, Single Row Radial Ball Bearing - Open Type in the NTN Bearing Corp. of America catalog including Item #,Description,Ordering Options ...
    30-day returns

    Bearing 6303


    Styron Ag Parts Company
    https://www.styronagparts.com › ... › Hardware › Bearings
    Styron Ag Parts Company
    https://www.styronagparts.com › ... › Hardware › Bearings
    Single Row Radial Ball Bearing ID=17mm OD=47mm W=14mm Shipped W/Seals.
    $25.04 · 1–4 day delivery · 7-day returns
    Missing: General ‎Machinery
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    • 61% OFF
      Premium 6303 Bearing. 61% OFF.
      Premium 6303 Bearing
      $6.99$18
      VXB.com Bearings
      Free delivery
      61% OFF
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      $6.99$18
      VXB.com Bearings
      Free delivery
    • General Bearing 6303 303K MROSupply.
      General Bearing 6303 303K MROSupply
      $8.30
      MRO Supply
      Free delivery
      General Bearing 6303 303K MROSupply
      $8.30
      MRO Supply
      Free delivery
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    • 6303 Chrome Steel Open Radial Ball Bearing.
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    • 41% OFF
      Timken Deep Groove Ball Bearings 6303. 41% OFF.
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    • Harfington 6303-2RS Deep Groove Ball Bearing.
      Harfington 6303-2RS Deep Groove Ball Bearing
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    Web results

    The Complete Guide to 6303 Bearing — Specs, Sizes, Seals ...


    bywbbearing.com
    https://bywbbearing.com › Product Tutorial
    bywbbearing.com
    https://bywbbearing.com › Product Tutorial
    The 6303 bearing is a highly versatile deep-groove ball bearing widely used in electric motors, automotive systems, machinery, and pumps. Its standardized size ...Read more

    Deep Groove 6303 Ball Bearings 17mm X 47mm X 14mm


    Misumi USA
    https://us.misumi-ec.com › blog › 6303-ball-bearings-17...
    Misumi USA
    https://us.misumi-ec.com › blog › 6303-ball-bearings-17...
    The 6303 is a 17 mm Ball Bearing that can be used in many rotary and factory automation applications. The 6303 Deep Groove Ball Bearings is an open style ...Read more
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