SKF 729CD/P4A bearing

SKF 729CD/P4A bearing | Angular Contact Ball Bearing | 9x26x8

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    Angular contact ball bearings, super-precision 729 CD/P4A

  • Bearing number : 729 CD/P4A
  • Size (mm) : 9x26x8
  • Brand : SKF
  • Bore Diameter (mm) : 9
  • Outer Diameter (mm) : 26
  • Width (mm) : 8
  • Bearing dimensions and specification in SKF catalogue:

  • d - 9 mm
  • D - 26 mm
  • B - 8 mm
  • d1 - 15.1 mm
  • d2 - 15.1 mm
  • D1 - 20.9 mm
  • r1,2 - min. - 0.3 mm
  • r3,4 - min. - 0.2 mm
  • a - 6.5 mm
  • da - min. - 11.4 mm
  • db - min. - 11.4 mm
  • Da - max. - 23.6 mm
  • Db - max. - 24.2 mm
  • ra - max. - 0.3 mm
  • rb - max. - 0.2 mm
  • dn - 16.3 mm
  • Basic dynamic load rating - C - 4.1 kN
  • Basic static load rating - C0 - 1.7 kN
  • Fatigue load limit - Pu - 0.071 kN
  • Limiting speed for grease lubrication - 67000 r/min
  • Limiting speed for oil lubrication - 100000 mm/min
  • Ball - Dw - 4.762 mm
  • Ball - z - 9
  • Gref - 0.258 cm3
  • Calculation factor - f0 - 8.3
  • Preload class A - GA - 15 N
  • Preload class B - GB - 30 N
  • Preload class C - GC - 60 N
  • Preload class D - GD - 120 N
  • Calculation factor - f - 1.02
  • 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 - 13 N/micron
  • Preload class B - 17 N/micron
  • Preload class C - 23 N/micron
  • Preload class D - 33 N/micron
  • Mass bearing - 0.02 kg

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