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Angular Contact Ball Bearing

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7721

Principal dimensions (mm)
  • d: 105
  • D: 215
  • T: 78.00
  • B: 73.0
  • C: 60.0
  • r 1,2 min: 3.0
  • r 3,4 min: 3.0
Basic load ratings (kn)
  • Cr: 500.0
  • Cor: 755.0
Speed ratings (r/min)
  • Grease: 1900
  • Oil: 2800
a mm
  • a: 49
Fitting dimensions mm
  • d a max: 129.0
  • d b max: 117
  • D a max: 204
  • D a min: 175
  • D b min: 198.0
  • C a min: 4.5
  • C b min: 18.0
  • r a max: ---
  • r b max: ---
Calculation coefficient
  • e: 0.31
  • Y: 1.90
  • Yo: 1.050