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National Precision Bearing

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6303 Ball Bearings 6300 Type

NPB Part Series 6303
Standard Reference No. 6303
PRODUCT MODELS

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Specifications

  • Bore Diameter mm
    17
  • Bore Diameter Inches
    0.6693
  • Bore Diameter Tolerance
    -.0003
  • Outside Diameter mm
    47
  • Outside Diameter Inches
    1.8504
  • Outside Diameter Tolerance
    0.0005
  • Width MM
    14
  • Width Inches
    0.5512
  • Max Fillet Radius
    0.04
  • Ball Complement No.
    7
  • Ball Complement Size
    11/32
  • Dynamic Load Rating
    1470
  • Static Load Rating
    2335
  • Download Spec Sheet

Products Available Online

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INTERCHANGE

National Precision Bearing Part series 6303 is a potential replacement for these common bearing part numbers:

  • SKF
    6303
  • KOYO
    6303
  • NACHI
    6303
  • TIMKEN/FAFNIR/TORRINGTON
    303K
  • FEDERAL
    1303
  • HOOVER
    303
  • NTN
    6303
  • MRC
    303S
  • NORMA HOFFMAN
    303
  • NEW DEPARTURE
    3303
  • FAG
    6303
  • NSK
    6303
  • STEYR
    6303
  • ISO SERIES
    6303

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