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Bearing NA 4909 (JNS)
Needle roller bearings NA 4909
Bearing number : NA 4909
Size (mm) : 45x68x22
Brand : JNS
Bore Diameter (mm) : 45
Outer Diameter (mm) : 68
Width (mm) : 22
Bearing dimensions and specification in JNS catalogue:
d - 45 mm
F - 52 mm
D - 68 mm
B - 22 mm
C - 22 mm
r min. - 0,6 mm
da min. - 49 mm
da max - 51 mm
Da max. - 64 mm
Weight - 0,285 Kg
Basic dynamic load rating (C) - 43,5 kN
Basic static load rating (C0) - 73,4 kN
Limiting speed - 7 500 r/min
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