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Product Catalog

Thrust Roller Bearing

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30311

Principal dimensions (mm)
  • d: 
  • D: 120
  • T: 31.50
  • B: 29.0
  • C: 25.0
  • r 1,2 min: 2.5
  • r 3,4 min: 2.0
Basic load ratings (kn)
  • Cr: 151
  • Cor: 183
Speed ratings (r/min)
  • Grease: 3200
  • Oil: 4300
a mm
  • a: 25
Fitting dimensions mm
  • d a max: 71.0
  • d b max: 65
  • D a max: 110
  • D a min: 104
  • D b min: 111.0
  • C a min: 4
  • C b min: 6.5
  • r a max: 2.0
  • r b max: 2.0
Calculation coefficient
  • e: 0.35
  • Y: 1.70
  • Yo: 0.900