SKF 71920ACD/HCP4AL bearing

SKF 71920ACD/HCP4AL bearing | Angular Contact Ball Bearing | 100x140x20

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    Angular contact ball bearings, super-precision 71920 ACD/HCP4AL

  • Bearing number : 71920 ACD/HCP4AL
  • 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 - 112.3 mm
  • d2 - 112.3 mm
  • D1 - 127.7 mm
  • b - 2.3 mm
  • C1 - 10.9 mm
  • C2 - 4 mm
  • C3 - 3.3 mm
  • r1,2 - min. - 1.1 mm
  • r3,4 - min. - 0.6 mm
  • a - 38.1 mm
  • da - min. - 106 mm
  • db - min. - 106 mm
  • Da - max. - 134 mm
  • Db - max. - 136 mm
  • ra - max. - 1 mm
  • rb - max. - 0.6 mm
  • dn - 115.6 mm
  • Basic dynamic load rating - C - 57.2 kN
  • Basic static load rating - C0 - 63 kN
  • Fatigue load limit - Pu - 2.4 kN
  • Limiting speed for grease lubrication - 9000 r/min
  • Limiting speed for oil lubrication - 15000 mm/min
  • Ball - Dw - 12.7 mm
  • Ball - z - 26
  • Gref - 10.5 cm3
  • 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 - 360 N
  • Preload class B - GB - 720 N
  • Preload class C - GC - 1440 N
  • Preload class D - GD - 2880 N
  • Calculation factor - f - 1.23
  • Calculation factor - f1 - 0.98
  • Calculation factor - f2A - 1
  • Calculation factor - f2B - 1.07
  • Calculation factor - f2C - 1.12
  • Calculation factor - f2D - 1.17
  • Calculation factor - fHC - 1.04
  • Preload class A - 283 N/micron
  • Preload class B - 373 N/micron
  • Preload class C - 498 N/micron
  • Preload class D - 680 N/micron
  • Mass bearing - 0.671 kg

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