RNA4902 bearing
Bearing Designation
Without IR :RNA4902
Weight :20.5
With IR :-
Shaft Diameter（mm） :-
Weight(Kg) :7.8
Boundary Dimensions(mm)
d :-
Fw :20
D :28
C :-
B :13
Basic Load Rating(N)
Dynamic :11000
Static :12900
Limiting Speed(rpm)
Oil :12000
Needle roller bearing is a special type roller bearing which uses long, thin cylindrical rollers resembling needles. Compared to ball bearings and ordinary roller bearings, needle bearings have a greater surface area in contact with the races, so they can support a great load. They are widely used in automobile components such as rocker arm pivots, pumps, compressors and transmissions.
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