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National Precision Bearing

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B538 Airframe Control Bearings Standard Torque Tube

NPB Part Series B538
Standard Reference No. B538
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Specifications

  • Bore Diameter
    0.6250
  • Outside Diameter
    1.0625
  • Inner Ring Width
    0.281
  • Outer Ring Width
    0.2500
  • Download Spec Sheet

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INTERCHANGE

National Precision Bearing Part series B538 is a potential replacement for these common bearing part numbers:

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NPB Part Series
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Specific Name
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