Bearings
NA4903-RSR INA Needle roller bearings

Drawing of bearing NA4903-RSR INA: dimensions, diameters, width

Dimensions, mm
d
17,000
D
30,000
B
14,000
B1
13,000

Weight, kg

0,040

Manufacturer:

 INA

Interchange:
ABC NA 4903 RS
FAG NA 4903 RSR
TORRINGTON NA 4903 RS
SKF NA 4903 RS

Calculation data

Basic dynamic load rating, C
10,000 kN
Basic static load rating, Co
11,000 kN
Fatigue load limit, Pu
2,180 kN
Limiting speed
9000 r/min
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