DEMARK (Beijing) Automation Technology Co., Ltd.
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Needle Roller Bearing
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NA Series
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Dimension and Parameters
Bearing Designation
Current Code :
NA4852
Original Code :
4524852
Shaft Diameter（mm） :
260
Weight(Kg) :
11300
Boundary Dimensions(mm)
d :
260
Fw :
285
D :
320
C :
B :
60
Basic Load Rating(N)
Dynamic :
37000
Static :
1160000
Limiting Speed(rpm)
Oil :
1700
