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Bearing 7909C (KOYO)
Angular contact ball bearings 7909C
Bearing number : 7909C
Size (mm) : 45x68x12
Brand : KOYO
Bore Diameter (mm) : 45
Outer Diameter (mm) : 68
Width (mm) : 12
Bearing dimensions and specification in KOYO catalogue:
d - 45 mm
D - 68 mm
B - 12 mm
C - 12 mm
Angle (α) - 15 °
a - 13.6 mm
r min. - 0.6 mm
r1 min. - 0.3 mm
da min. - 49.5 mm
Da max. - 63.5 mm
ra max. - 0.6 mm
Weight - 0.127 Kg
(Grease) Lubrication Speed - 15000 r/min
(Oil) Lubrication Speed - 20000 r/min
Calculation factor (f0) - 16.0
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