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Bearing 6903-2RS (KOYO)
Deep groove ball bearings 6903-2RS
Bearing number : 6903-2RS
Size (mm) : 17x30x7
Brand : KOYO
Bore Diameter (mm) : 17
Outer Diameter (mm) : 30
Width (mm) : 7
Bearing dimensions and specification in KOYO catalogue:
d - 17 mm
D - 30 mm
B - 7 mm
C - 7 mm
r min. - 0,3 mm
da min. - 19 mm
da max - 19,5 mm
Da max. - 28 mm
ra max. - 0,3 mm
Weight - 0,018 Kg
Basic dynamic load rating (C) - 4,6 kN
Basic static load rating (C0) - 2,55 kN
(Grease) Lubrication Speed - 13000 r/min
Calculation factor (f0) - 14,7
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