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Bearing 7904C (NACHI)
Angular contact ball bearings 7904C
Bearing number : 7904C
Size (mm) : 20x37x9
Brand : NACHI
Bore Diameter (mm) : 20
Outer Diameter (mm) : 37
Width (mm) : 9
Bearing dimensions and specification in NACHI catalogue:
d - 20 mm
D - 37 mm
B - 9 mm
C - 9 mm
Angle (α) - 15 °
a - -0,7 mm
r min. - 0,3 mm
r1 min. - 0,15 mm
Weight - 0,035 Kg
Basic dynamic load rating (C) - 7,3 kN
Basic static load rating (C0) - 4,55 kN
(Grease) Lubrication Speed - 41000 r/min
(Oil) Lubrication Speed - 56100 r/min
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