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Product Catalog

Deep Groove Ball Bearing

Inquiry

NU2228 NJ2228 NUP2228 N2228 NF2228

Boundary Dimensions(mm)
  • d: 140
  • D: 250
  • B: 68
  • r 1,2 min: 3
  • r 3,4 min: 3
  • Fw: 169
  • Ew: 221
Load Rating(kN)
  • Cr: 572
  • Cor: 830
Speed ratings(r/min)
  • Grease: 2000
  • Oil: 2600
Bearing symbol
  • NU Type: NU2228
  • NJ Type: NJ2228
  • NUP Type: NUP2228
  • N Type: N2228
  • NF Type: NF2228
Other Dimension (mm)
  • D1: 217
  • d1: 179
Mounting dimensions (mm)
  • d a min: 153
  • D a max: 237
  • D b min: 225
  • r a max: 2.5
  • r b max: 2.5