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Bearing 7311C (KOYO)
Angular contact ball bearings 7311C
Bearing number : 7311C
Size (mm) : 55x120x29
Brand : KOYO
Bore Diameter (mm) : 55
Outer Diameter (mm) : 120
Width (mm) : 29
Bearing dimensions and specification in KOYO catalogue:
d - 55 mm
D - 120 mm
B - 29 mm
C - 29 mm
Angle (α) - 15 °
a - 26.4 mm
r min. - 2 mm
r1 min. - 1 mm
da min. - 65 mm
Da max. - 110 mm
ra max. - 2 mm
Weight - 1.45 Kg
(Grease) Lubrication Speed - 9300 r/min
(Oil) Lubrication Speed - 12000 r/min
Calculation factor (f0) - 13.4
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