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NA Series
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Dimension and Parameters
Bearing Designation
Current Code :
NA4904RS
Original Code :
NA4904-2RS
Shaft Diameter（mm） :
20
Weight(Kg) :
80
Boundary Dimensions(mm)
d :
20
Fw :
25
D :
37
C :
17
B :
18
Basic Load Rating(N)
Dynamic :
14900
Static :
17500
Limiting Speed(rpm)
Oil :
7500
