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Bearing NA6903 (KOYO)
Needle roller bearings NA6903
Bearing number : NA6903
Size (mm) : 17x30x23
Brand : KOYO
Bore Diameter (mm) : 17
Outer Diameter (mm) : 30
Width (mm) : 23
Bearing dimensions and specification in KOYO catalogue:
d - 17 mm
Fw - 22 mm
D - 30 mm
B - 23 mm
C - 23 mm
r5 min. - 0,6 mm
S - 1 mm
Weight - 0,084 Kg
Basic dynamic load rating (C) - 19,8 kN
Basic static load rating (C0) - 30,6 kN
(Grease) Lubrication Speed - 20000 r/min
(Oil) Lubrication Speed - 13000 r/min
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