RNA4913 bearing
Bearing Designation
Without IR :RNA4913
Weight :300
With IR :-
Shaft Diameter（mm） :-
Weight(Kg) :72
Boundary Dimensions(mm)
d :-
Fw :72
D :90
C :-
B :25
Basic Load Rating(N)
Dynamic :57500
Static :110500
Limiting Speed(rpm)
Oil :6500
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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