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Product Catalog

Deep Groove Ball Bearing

Inquiry

6311N 6311NR 6311-ZN 6311-ZNR

Principal dimensions (mm)
  • d: 55
  • D: 120
  • B: 29
  • r 1,2 min: 2.0
  • r s min: 0.5
Basic load ratings (kn)
  • Cr: 71.60
  • Cor: 44.80
Speed ratings(r/min)
  • Grease: 5600
  • Oil: 6700
Bearing No.
  • N: 6311N
  • NR: 6311NR
  • -ZN: 6311-ZN
  • -ZNR: 6311-ZNR
Snap Ring(mm)
  • No.: NR120
  • D 2 max: 129.7
  • f: 2.82
Snap Groove(mm)
  • D n max: 115.21
  • b min: 3.10
  • a max: 4.06
  • r o max: 0.60
Fitting dimension (mm)
  • d a min: 64.00
  • D a max: 111.0
  • D b min: 131
  • b a min: 3.5
  • C a max: 6.88
  • r a max: 2.0