SKF 71904CE/P4A bearing

SKF 71904CE/P4A bearing | Angular Contact Ball Bearing | 20x37x9

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    Angular contact ball bearings, super-precision 71904 CE/P4A

  • Bearing number : 71904 CE/P4A
  • 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 - 25.65 mm
  • d2 - 24.4 mm
  • D1 - 31.49 mm
  • r1,2 - min. - 0.3 mm
  • r3,4 - min. - 0.15 mm
  • a - 8.5 mm
  • da - min. - 22 mm
  • db - min. - 22 mm
  • Da - max. - 35 mm
  • Db - max. - 36.2 mm
  • ra - max. - 0.3 mm
  • rb - max. - 0.15 mm
  • dn - 26.7 mm
  • Basic dynamic load rating - C - 4.9 kN
  • Basic static load rating - C0 - 2.4 kN
  • Fatigue load limit - Pu - 0.102 kN
  • Limiting speed for grease lubrication - 56000 r/min
  • Limiting speed for oil lubrication - 88000 mm/min
  • Ball - Dw - 4.762 mm
  • Ball - z - 14
  • Gref - 0.5 cm3
  • Calculation factor - f0 - 7.8
  • Preload class A - GA - 26 N
  • Preload class B - GB - 79 N
  • Preload class C - GC - 157 N
  • Calculation factor - f - 1.04
  • Calculation factor - f1 - 1
  • Calculation factor - f2A - 1
  • Calculation factor - f2B - 1.04
  • Calculation factor - f2C - 1.08
  • Calculation factor - fHC - 1
  • Preload class A - 18 N/micron
  • Preload class B - 28 N/micron
  • Preload class C - 39 N/micron
  • Mass bearing - 0.036 kg

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