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Product Catalog

Deep Groove Ball Bearing

Inquiry

7228AC 7228AC/DB 7228AC/DF 7228AC/DT

Principal dimensions (mm)
  • d: 140
  • D: 250
  • B: 42
  • r 1,2 min: 3.0
  • r 3,4 min: 1.10
Basic load ratings (kn)
  • Cr: 226.0
  • Cor: 188.0
Speed ratings(r/min)
  • Grease: 4200
  • Oil: 5600
Basic load ratings Combinaton (kn)
  • Cr: 367.0
  • Cor: 376.0
Speed ratings Combination (r/min)
  • Grease: 3200
  • Oil: 4300
Bearing No.
  • DB: 7228AC/DB
  • DF: 7228AC/DF
  • DT: 7228AC/DT
Fitting dimension (mm)
  • d a min: 154
  • D a max: 236
  • D b max: 243.0
  • r a max: 2.5
  • r b max: 1.00