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Product Catalog

Thrust Roller Bearing

Inquiry

1221ATN 1221AKTN

Principal dimensions (mm)
  • d: 105
  • D: 190
  • B: 36
  • r 1,2 min: 2.1
Basic load ratings (kn)
  • Cr: 74.1
  • Cor: 32.5
Speed ratings(r/min)
  • Grease: 3200
  • Oil: 3800
Bearing symbol
  • Cylindrical: 1221ATN
  • Tapered bore: 1221AKTN
Mounting dimensions (mm)
  • d a min: 116
  • D a max: 179
  • r a max: 2
Value
  • e: 0.17
  • Y 1 : 3.7
  • Y 2 : 5.7
  • Y 0 : 4