SKF 7218CD/P4A bearing

SKF 7218CD/P4A bearing | Angular Contact Ball Bearing | 90x160x30

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    Angular contact ball bearings, super-precision 7218 CD/P4A

  • Bearing number : 7218 CD/P4A
  • Size (mm) : 90x160x30
  • Brand : SKF
  • Bore Diameter (mm) : 90
  • Outer Diameter (mm) : 160
  • Width (mm) : 30
  • Bearing dimensions and specification in SKF catalogue:

  • d - 90 mm
  • D - 160 mm
  • B - 30 mm
  • d1 - 111.6 mm
  • d2 - 111.6 mm
  • D1 - 138.4 mm
  • r1,2 - min. - 2 mm
  • r3,4 - min. - 1 mm
  • a - 31.9 mm
  • da - min. - 101 mm
  • db - min. - 101 mm
  • Da - max. - 149 mm
  • Db - max. - 154.4 mm
  • ra - max. - 2 mm
  • rb - max. - 1 mm
  • dn - 117.5 mm
  • Basic dynamic load rating - C - 127 kN
  • Basic static load rating - C0 - 112 kN
  • Fatigue load limit - Pu - 4.2 kN
  • Limiting speed for grease lubrication - 8500 r/min
  • Limiting speed for oil lubrication - 14000 mm/min
  • Ball - Dw - 22.225 mm
  • Ball - z - 16
  • Gref - 27.765 cm3
  • Calculation factor - f0 - 14.6
  • Preload class A - GA - 480 N
  • Preload class B - GB - 960 N
  • Preload class C - GC - 1920 N
  • Preload class D - GD - 3840 N
  • Calculation factor - f - 1.09
  • Calculation factor - f1 - 1
  • Calculation factor - f2A - 1
  • Calculation factor - f2B - 1.01
  • Calculation factor - f2C - 1.03
  • Calculation factor - f2D - 1.05
  • Calculation factor - fHC - 1
  • Preload class A - 114 N/micron
  • Preload class B - 154 N/micron
  • Preload class C - 215 N/micron
  • Preload class D - 314 N/micron
  • Mass bearing - 2.266 kg

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