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Product Catalog

Spherical Ball Bearing

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6403N 6403NR 6403-ZN 6403-ZNR

Principal dimensions (mm)
  • d: 17
  • D: 62
  • B: 17
  • r 1,2 min: 1.1
  • r s min: 0.5
Basic load ratings (kn)
  • Cr: 22.90
  • Cor: 10.80
Speed ratings(r/min)
  • Grease: 12000
  • Oil: 15000
Bearing No.
  • N: 6403N
  • NR: 6403NR
  • -ZN: 6403-ZN
  • -ZNR: 6403-ZNR
Snap Ring(mm)
  • No.: NR62
  • D 2 max: 67.7
  • f: 1.70
Snap Groove(mm)
  • D n max: 55.61
  • b min: 1.90
  • a max: 3.28
  • r o max: 0.60
Fitting dimension (mm)
  • d a min: 23.50
  • D a max: 55.5
  • D b min: 69
  • b a min: 2.2
  • C a max: 4.98
  • r a max: 1.0