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National Precision Bearing

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R4

Category

Ball Bearings

Subcategory

R Series

NPB Part Series R4
Standard Reference No. R4
PRODUCT MODELS

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Specifications

  • Bore Diameter Fraction
    1/4
  • Bore Diameter Inches
    .2500
  • Bore Diameter Tolerance
    -.0003
  • Outside Diameter Fractional
    5/8
  • Outside Diameter Inches
    .6250
  • Outside Diameter Tolerance
    0.0004
  • Open Width
    .1960
  • Seal/Shielded Width
    .1960
  • Max Fillet
    0.012
  • Ball Complement No.
    7
  • Ball Complement Size
    1/8
  • Dynamic Load Rating
    385
  • Static Load Rating
    195

Products Available Online

Part #
R4ZZA3-119
Chrome Steel Radial Inch Miniature Ball Bearing, OD 0.25in, ID 0.0781in, Metal Shields, ABEC 3
Price per unit
$6.25
In Stock
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INTERCHANGE

National Precision Bearing Part series R4 is a potential replacement for these common bearing part numbers:

  • FAG
    R4
  • FAF
    S1K7
  • MRC
    R4
  • ND
    R4

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NPB Part Series
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Standard Ref #
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