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Spherical Ball Bearing

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Principal dimensions (mm)
  • d: 28
  • D: 52
  • B: 12
  • r 1,2 min: 0.6
  • r s min: 0.5
Basic load ratings (kn)
  • Cr: 10.70
  • Cor: 6.63
Speed ratings(r/min)
  • Grease: 14000
  • Oil: 16000
Bearing No.
  • N: 60/28N
  • NR: 60/28NR
  • -ZN: 60/28-ZN
  • -ZNR: 60/28-ZNR
Snap Ring(mm)
  • No.: NR52
  • D 2 max: 57.9
  • f: 1.12
Snap Groove(mm)
  • D n max: 49.73
  • b min: 1.35
  • a max: 2.06
  • r o max: 0.40
Fitting dimension (mm)
  • d a min: 32.00
  • D a max: 48.0
  • D b min: 59
  • b a min: 1.5
  • C a max: 3.18
  • r a max: 0.6