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NU321E NJ321E NUP321E N321E NF321E

Boundary Dimensions(mm)
  • d: 105
  • D: 225
  • B: 49
  • r 1,2 min: 3
  • r 3,4 min: 3
  • Fw: 133
  • Ew: 201
Load Rating(kN)
  • Cr: 440
  • Cor: 500
Speed ratings(r/min)
  • Grease: 2200
  • Oil: 2800
Bearing symbol
  • NU Type: NU321E
  • NJ Type: NJ321E
  • NUP Type: NUP321E
  • N Type: N321E
  • NF Type: NF321E
Other Dimension (mm)
  • D1: 190
  • d1: 145
Mounting dimensions (mm)
  • d a min: 118
  • D a max: 212
  • D b min: 203
  • r a max: 2.5
  • r b max: 2.5