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Product Catalog

Cylindrical Roller Bearing

Inquiry

30304

Principal dimensions (mm)
  • d: 20
  • D: 52
  • T: 16.25
  • B: 15.0
  • C: 13.0
  • r 1,2 min: 1.5
  • r 3,4 min: 1.5
Basic load ratings (kn)
  • Cr: 32.8
  • Cor: 32.2
Speed ratings (r/min)
  • Grease: 8000
  • Oil: 11000
a mm
  • a: 11
Fitting dimensions mm
  • d a max: 28.0
  • d b max: 27
  • D a max: 45
  • D a min: 44
  • D b min: 47.0
  • C a min: 2
  • C b min: 3.0
  • r a max: 1.0
  • r b max: 1.0
Calculation coefficient
  • e: 0.30
  • Y: 2.00
  • Yo: 1.100