RNA4922 bearing
Bearing Designation
Without IR :RNA4922
Weight :1200
With IR :-
Shaft Diameter（mm） :-
Weight(Kg) :125
Boundary Dimensions(mm)
d :-
Fw :125
D :150
C :-
B :40
Basic Load Rating(N)
Dynamic :124000
Static :270000
Limiting Speed(rpm)
Oil :3300
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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