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Bearing 7911C (KOYO)
Angular contact ball bearings 7911C
Bearing number : 7911C
Size (mm) : 55x80x13
Brand : KOYO
Bore Diameter (mm) : 55
Outer Diameter (mm) : 80
Width (mm) : 13
Bearing dimensions and specification in KOYO catalogue:
d - 55 mm
D - 80 mm
B - 13 mm
C - 13 mm
Angle (α) - 15 °
a - 15.5 mm
r min. - 1 mm
r1 min. - 0.6 mm
da min. - 60.5 mm
Da max. - 74.5 mm
ra max. - 1 mm
Weight - 0.178 Kg
(Grease) Lubrication Speed - 13000 r/min
(Oil) Lubrication Speed - 17000 r/min
Calculation factor (f0) - 16.3
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