NSK 6904NR bearing

NSK 6904NR bearing | Deep Groove Ball Bearing | 20x37x9

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    Deep groove ball bearings 6904NR

  • Bearing number : 6904NR
  • Size (mm) : 20x37x9
  • Brand : NSK
  • Bore Diameter (mm) : 20
  • Outer Diameter (mm) : 37
  • Width (mm) : 9

    • Bearing dimensions and specification in NSK catalogue:

  • d - 20 mm
  • D - 37 mm
  • B - 9 mm
  • C - 9 mm
  • rn - 0,3 mm
  • a - 1,7 mm
  • b - 0,95 mm
  • f - 0,85 mm
  • r min. - 0,3 mm
  • r0 max. - 0,25 mm
  • D1 - 35,7 mm
  • D2 - 39,8 mm
  • da min. - 22 mm
  • da max - 24 mm
  • Da max. - 35 mm
  • ra max. - 0,3 mm
  • Weight - 0,037 Kg
  • Basic dynamic load rating (C) - 6,4 kN
  • Basic static load rating (C0) - 3,7 kN
  • (Grease) Lubrication Speed - 19 000 r/min
  • (Oil) Lubrication Speed - 22 000 r/min
  • Calculation factor (f0) - 14,7

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