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Bearing 7211C (KOYO)
Angular contact ball bearings 7211C
Bearing number : 7211C
Size (mm) : 55x100x21
Brand : KOYO
Bore Diameter (mm) : 55
Outer Diameter (mm) : 100
Width (mm) : 21
Bearing dimensions and specification in KOYO catalogue:
d - 55 mm
D - 100 mm
B - 21 mm
C - 21 mm
Angle (α) - 15 °
a - 21.1 mm
r min. - 1.5 mm
r1 min. - 1 mm
da min. - 63.5 mm
Da max. - 91.5 mm
ra max. - 1.5 mm
Weight - 0.635 Kg
(Grease) Lubrication Speed - 11000 r/min
(Oil) Lubrication Speed - 14000 r/min
Calculation factor (f0) - 14.6
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