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National Precision Bearing

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1657

Category

Ball Bearings

Subcategory

1600 Type

NPB Part Series 1657
Standard Reference No. 1657
PRODUCT MODELS

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Specifications

  • Bore Diameter Fractional (d)
    1 1/4
  • Bore Diameter Inches (d)
    1.2500
  • Outside Diameter Fractional (D)
    2 9/16
  • Outside Diameter Inches (D)
    2.5625
  • Width Fractional (B)
    11/16
  • Width Inches (B)
    0.6875
  • Max Fillet
    0.035
  • Dynamic Load Rating
    1528
  • Static Load Rating
    1021
  • Weight (lbs)
    0.474

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INTERCHANGE

National Precision Bearing Part series 1657 is a potential replacement for these common bearing part numbers:

  • NICE/SKF
    1657NS
  • SCHATZ
    BR 57

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NPB Part Series
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Standard Ref #
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Specific Name
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