SKF S71920ACB/P4A bearing

SKF S71920ACB/P4A bearing | Angular Contact Ball Bearing | 100x140x20

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    Angular contact ball bearings, super-precision S71920 ACB/P4A

  • Bearing number : S71920 ACB/P4A
  • Size (mm) : 100x140x20
  • Brand : SKF
  • Bore Diameter (mm) : 100
  • Outer Diameter (mm) : 140
  • Width (mm) : 20
  • Bearing dimensions and specification in SKF catalogue:

  • d - 100 mm
  • D - 140 mm
  • B - 20 mm
  • d1 - 114.92 mm
  • d2 - 113.16 mm
  • D2 - 128.7 mm
  • r1,2 - min. - 1.1 mm
  • r3,4 - min. - 0.6 mm
  • a - 41.4 mm
  • da - min. - 106 mm
  • da - max. - 114.2 mm
  • db - min. - 106 mm
  • db - max. - 112.5 mm
  • Da - max. - 134 mm
  • Db - max. - 136.8 mm
  • ra - max. - 1 mm
  • rb - max. - 0.6 mm
  • Basic dynamic load rating - C - 20.8 kN
  • Basic static load rating - C0 - 21.2 kN
  • Fatigue load limit - Pu - 0.815 kN
  • Limiting speed for grease lubrication - 11000 r/min
  • Ball - Dw - 7.938 mm
  • Ball - z - 37
  • Calculation factor - e - 0.68
  • Calculation factor - Y2 - 0.87
  • Calculation factor - Y0 - 0.38
  • Calculation factor - X2 - 0.41
  • Calculation factor - Y1 - 0.92
  • Calculation factor - Y2 - 1.41
  • Calculation factor - Y0 - 0.76
  • Calculation factor - X2 - 0.67
  • Preload class A - GA - 125 N
  • Preload class B - GB - 250 N
  • Preload class C - GC - 750 N
  • Calculation factor - f - 1.11
  • Calculation factor - f1 - 0.99
  • Calculation factor - f2A - 1
  • Calculation factor - f2B - 1.02
  • Calculation factor - f2C - 1.07
  • Calculation factor - fHC - 1
  • Preload class A - 157 N/micron
  • Preload class B - 202 N/micron
  • Preload class C - 306 N/micron
  • Mass bearing - 0.879 kg

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