SKF 71911ACE/P4A bearing

SKF 71911ACE/P4A bearing | Angular Contact Ball Bearing | 55x80x13

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    Angular contact ball bearings, super-precision 71911 ACE/P4A

  • Bearing number : 71911 ACE/P4A
  • Size (mm) : 55x80x13
  • Brand : SKF
  • Bore Diameter (mm) : 55
  • Outer Diameter (mm) : 80
  • Width (mm) : 13
  • Bearing dimensions and specification in SKF catalogue:

  • d - 55 mm
  • D - 80 mm
  • B - 13 mm
  • d1 - 62.75 mm
  • d2 - 60.7 mm
  • D1 - 72.3 mm
  • r1,2 - min. - 1 mm
  • r3,4 - min. - 0.3 mm
  • a - 23.5 mm
  • da - min. - 59.6 mm
  • db - min. - 57 mm
  • Da - max. - 75.4 mm
  • Db - max. - 78 mm
  • ra - max. - 1 mm
  • rb - max. - 0.3 mm
  • dn - 64.6 mm
  • Basic dynamic load rating - C - 14.6 kN
  • Basic static load rating - C0 - 10.2 kN
  • Fatigue load limit - Pu - 0.43 kN
  • Limiting speed for grease lubrication - 21000 r/min
  • Limiting speed for oil lubrication - 32000 mm/min
  • Ball - Dw - 7.938 mm
  • Ball - z - 21
  • Gref - 2.3 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 - 133 N
  • Preload class B - GB - 400 N
  • Preload class C - GC - 800 N
  • Calculation factor - f - 1.16
  • Calculation factor - f1 - 0.99
  • Calculation factor - f2A - 1
  • Calculation factor - f2B - 1.04
  • Calculation factor - f2C - 1.07
  • Calculation factor - fHC - 1
  • Preload class A - 105 N/micron
  • Preload class B - 160 N/micron
  • Preload class C - 210 N/micron
  • Mass bearing - 0.17 kg

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