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Bearing NA4909RS (SKF)
Needle roller bearings NA4909RS
Bearing number : NA4909RS
Size (mm) : 45x68x22
Brand : SKF
Bore Diameter (mm) : 45
Outer Diameter (mm) : 68
Width (mm) : 22
Bearing dimensions and specification in SKF catalogue:
d - 45 mm
F - 52 mm
D - 68 mm
B - 22 mm
C - 22 mm
r1 min. - 0,6 mm
r2 min. - 0,6 mm
da max - 49 mm
Da max. - 64 mm
ra max. - 0,6 mm
S - 0,5 mm
Weight - 0,27 Kg
Basic dynamic load rating (C) - 39,1 kN
Basic static load rating (C0) - 64 kN
Fatigue load limit (Pu) - 7,8
Reference speed - – r/min
Limiting speed - 3800 r/min
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