SKF 71968CDMA/HCP4A bearing

SKF 71968CDMA/HCP4A bearing | Angular Contact Ball Bearing | 340x460x56

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    Angular contact ball bearings, super-precision 71968 CDMA/HCP4A

  • Bearing number : 71968 CDMA/HCP4A
  • Size (mm) : 340x460x56
  • Brand : SKF
  • Bore Diameter (mm) : 340
  • Outer Diameter (mm) : 460
  • Width (mm) : 56
  • Bearing dimensions and specification in SKF catalogue:

  • d - 340 mm
  • D - 460 mm
  • B - 56 mm
  • d1 - 377 mm
  • d2 - 377 mm
  • D1 - 423 mm
  • r1,2 - min. - 3 mm
  • r3,4 - min. - 1.1 mm
  • a - 81.8 mm
  • da - min. - 353 mm
  • db - min. - 353 mm
  • Da - max. - 445 mm
  • Db - max. - 454 mm
  • ra - max. - 2.5 mm
  • rb - max. - 1 mm
  • dn - 387 mm
  • Basic dynamic load rating - C - 390 kN
  • Basic static load rating - C0 - 670 kN
  • Fatigue load limit - Pu - 14.3 kN
  • Limiting speed for grease lubrication - 3400 r/min
  • Limiting speed for oil lubrication - 4800 mm/min
  • Ball - Dw - 38.1 mm
  • Ball - z - 29
  • Gref - 294 cm3
  • Calculation factor - f0 - 16.6
  • Preload class A - GA - 1460 N
  • Preload class B - GB - 2920 N
  • Preload class C - GC - 5840 N
  • Preload class D - GD - 11680 N
  • Calculation factor - f - 1.27
  • Calculation factor - f1 - 1
  • Calculation factor - f2A - 1
  • Calculation factor - f2B - 1.07
  • Calculation factor - f2C - 1.12
  • Calculation factor - f2D - 1.18
  • Calculation factor - fHC - 1.04
  • Preload class A - 333 N/micron
  • Preload class B - 453 N/micron
  • Preload class C - 634 N/micron
  • Preload class D - 918 N/micron
  • Mass bearing - 21.551 kg

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