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Bearing 7903AC (NACHI)
Angular contact ball bearings 7903AC
Bearing number : 7903AC
Size (mm) : 17x30x7
Brand : NACHI
Bore Diameter (mm) : 17
Outer Diameter (mm) : 30
Width (mm) : 7
Bearing dimensions and specification in NACHI catalogue:
d - 17 mm
D - 30 mm
B - 7 mm
C - 7 mm
Angle (α) - 25 °
a - 2,1 mm
r min. - 0,3 mm
r1 min. - 0,15 mm
Weight - 0,016 Kg
Basic dynamic load rating (C) - 4,75 kN
Basic static load rating (C0) - 2,82 kN
(Grease) Lubrication Speed - 43200 r/min
(Oil) Lubrication Speed - 57800 r/min
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