SKF S71904CD/HCP4A bearing

SKF S71904CD/HCP4A bearing | Angular Contact Ball Bearing | 20x37x9

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    Angular contact ball bearings, super-precision S71904 CD/HCP4A

  • Bearing number : S71904 CD/HCP4A
  • Size (mm) : 20x37x9
  • Brand : SKF
  • Bore Diameter (mm) : 20
  • Outer Diameter (mm) : 37
  • Width (mm) : 9
  • Bearing dimensions and specification in SKF catalogue:

  • d - 20 mm
  • D - 37 mm
  • B - 9 mm
  • d1 - 25.6 mm
  • d2 - 25.6 mm
  • D2 - 34.15 mm
  • r1,2 - min. - 0.3 mm
  • r3,4 - min. - 0.2 mm
  • a - 8.4 mm
  • da - min. - 22 mm
  • da - max. - 25.1 mm
  • db - min. - 22 mm
  • db - max. - 25.1 mm
  • Da - max. - 35 mm
  • Db - max. - 35.6 mm
  • ra - max. - 0.3 mm
  • rb - max. - 0.2 mm
  • Basic dynamic load rating - C - 6 kN
  • Basic static load rating - C0 - 3.2 kN
  • Fatigue load limit - Pu - 0.137 kN
  • Limiting speed for grease lubrication - 53000 r/min
  • Ball - Dw - 4.762 mm
  • Ball - z - 15
  • Calculation factor - f0 - 9.8
  • Preload class A - GA - 25 N
  • Preload class B - GB - 50 N
  • Preload class C - GC - 100 N
  • Preload class D - GD - 200 N
  • Calculation factor - f - 1.05
  • Calculation factor - f1 - 1
  • Calculation factor - f2A - 1
  • Calculation factor - f2B - 1.07
  • Calculation factor - f2C - 1.12
  • Calculation factor - f2D - 1.18
  • Calculation factor - fHC - 1.04
  • Preload class A - 24 N/micron
  • Preload class B - 32 N/micron
  • Preload class C - 44 N/micron
  • Preload class D - 62 N/micron
  • Mass bearing - 0.033 kg

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