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NSK Ball Bearing 6904 Code system

  • Single Row
  • Inch
  • Cone; Standard Precision; 621 Basic Number; 2-1/8" Bore; 1-5/8" Width; Single Row of Rollers
  • 0 Inch | 0 Millimeter
  • 0 Inch | 0 Millimeter
  • 1.625 Inch | 41.275 Millimeter
  • 2.125 Inch | 53.975 Millimeter

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