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Bearing 7905C (KOYO)
Angular contact ball bearings 7905C
Bearing number : 7905C
Size (mm) : 25x42x9
Brand : KOYO
Bore Diameter (mm) : 25
Outer Diameter (mm) : 42
Width (mm) : 9
Bearing dimensions and specification in KOYO catalogue:
d - 25 mm
D - 42 mm
B - 9 mm
C - 9 mm
Angle (α) - 15 °
a - 9.1 mm
r min. - 0.3 mm
r1 min. - 0.15 mm
da min. - 27.5 mm
Da max. - 39.5 mm
ra max. - 0.3 mm
Weight - 0.041 Kg
(Grease) Lubrication Speed - 25 000 r/min
(Oil) Lubrication Speed - 33 000 r/min
Calculation factor (f0) - 15.5
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