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 :
NA4834
Original Code :
Shaft Diameter（mm） :
170
Weight(Kg) :
3960
Boundary Dimensions(mm)
d :
170
Fw :
185
D :
215
C :
B :
45
Basic Load Rating(N)
Dynamic :
185000
Static :
510000
Limiting Speed(rpm)
Oil :
2500
