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RNA49 Series

RNA4902

  • RNA49 Series
  • RNA49 Series
  • RNA49 Series

Description

Needle roller bearings are a bearing that is classified as either radial or thrust depending on the direction of the load being supported. Needle roller bearings include bearings whose rollers slightly exceed the size range of needle rollers as stipulated by ISO. Needle roller bearings include drawn cup and solid radial bearings, as well as application-specific cam followers, and roller followers. Thrust bearings include thrust needle bearings.

Dimension and Parameters

Designation :RNA4902
Principal Dimensions(mm)
Fw :20
D :28
C :13
r :0.3
Cr
(N) :12000
Cor
(N) :13600
Fatigue load limit Cu
(N) :2430
Reference speed
U/min :20400
Limit speed
U/min :10800
Weight
(g) :21.7
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