Union bearing, CB-139, 6904 2RS, 21.5x37x9, Bosch

436139_Laakeri_UNION_CB-139_6904_2RS_21_5x37x9_Bosch_PLB040521 image
Manufacturer: Union
Product Code: 436139
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10,00 €
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Finnish family business

Bearing UNION, CB-139, 6904 2RS, 21.5x37x9, Bosch

 

High-quality Union bearing for Bosch electric bike motors.

  • Material: CrMo
  • Balls: CrMo (HRC 61-66)
  • Race material: steel
  • Seals: rubber/shielded 2RS
  • Rating: ABEC 3
  • Size: 21.5x37x9
  • PLB040521
  • 6904 d21.5