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 :
NA4924
Original Code :
4544924
Shaft Diameter（mm） :
120
Weight(Kg) :
2860
Boundary Dimensions(mm)
d :
120
Fw :
135
D :
165
C :
B :
45
Basic Load Rating(N)
Dynamic :
181000
Static :
890000
Limiting Speed(rpm)
Oil :
3400
