SKF 7021CD/P4A bearing

SKF 7021CD/P4A bearing | Angular Contact Ball Bearing | 105x160x26

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    Angular contact ball bearings, super-precision 7021 CD/P4A

  • Bearing number : 7021 CD/P4A
  • Size (mm) : 105x160x26
  • Brand : SKF
  • Bore Diameter (mm) : 105
  • Outer Diameter (mm) : 160
  • Width (mm) : 26
  • Bearing dimensions and specification in SKF catalogue:

  • d - 105 mm
  • D - 160 mm
  • B - 26 mm
  • d1 - 121.9 mm
  • d2 - 121.9 mm
  • D1 - 143.1 mm
  • r1,2 - min. - 2 mm
  • r3,4 - min. - 1 mm
  • a - 30.8 mm
  • da - min. - 114 mm
  • db - min. - 114 mm
  • Da - max. - 151 mm
  • Db - max. - 155 mm
  • ra - max. - 2 mm
  • rb - max. - 1 mm
  • dn - 125.6 mm
  • Basic dynamic load rating - C - 95.6 kN
  • Basic static load rating - C0 - 96.5 kN
  • Fatigue load limit - Pu - 3.6 kN
  • Limiting speed for grease lubrication - 8000 r/min
  • Limiting speed for oil lubrication - 13000 mm/min
  • Ball - Dw - 17.462 mm
  • Ball - z - 21
  • Gref - 20.4 cm3
  • Calculation factor - f0 - 15.7
  • 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 - 1.15
  • Calculation factor - f1 - 1
  • Calculation factor - f2A - 1
  • Calculation factor - f2B - 1.02
  • Calculation factor - f2C - 1.05
  • Calculation factor - f2D - 1.09
  • Calculation factor - fHC - 1
  • Preload class A - 117 N/micron
  • Preload class B - 159 N/micron
  • Preload class C - 223 N/micron
  • Preload class D - 324 N/micron
  • Mass bearing - 1.592 kg

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