Needle roller bearings NA4903
Bearing number : NA4903
Size (mm) : 17x30x13
Brand : Timken
Bore Diameter (mm) : 17
Outer Diameter (mm) : 30
Width (mm) : 13
Bearing dimensions and specification in Timken catalogue:
d - 17 mm
Fw - 22 mm
D - 30 mm
B - 13 mm
C - 13 mm
r - 0,3 mm
S - 1 mm
Weight - 0,04 Kg
Basic dynamic load rating (C) - 12,2 kN
Basic static load rating (C0) - 16,4 kN
(Grease) Lubrication Speed - 20000 r/min
(Oil) Lubrication Speed - 13000 r/min
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