NA49/28 open Needle Roller Bearing with Inner Ring

The needle bearing NA49/28 has thin cylinders as rolling elements and can absorb high radial forces with its massive bearing rings. It is suitable for space-saving installation.

Features

  • it consists of a machined massive outer ring with rib, a needle roller and cage assembly and a separable inner ring
  • suitable for high radial load capacities
  • seal: open (without seal); for higher speeds than with sealed ball bearings and easy relubrication
  • can be used if the surface of the shaft is not suitable as a raceway

Technical Data

Inside Ø (mm): 28
Outside Ø (mm): 45
Width (mm): 17
Tolerance for inside-Ø (mm): 0/-0,01
Tolerance for outside-Ø (mm): 0/-0,011
Tolerance for width (mm): 0/-0,12
Seal: open
Ring Material: Rolling bearing steel
Inner Ring: yes
Rolling Element Material: Rolling bearing steel
Cage Material: Sheet Steel
Rows of Rolling Elements: single row

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