Angular contact ball bearings 7811C
Bearing number : 7811C
Size (mm) : 55x72x9
Brand : NTN
Bore Diameter (mm) : 55
Outer Diameter (mm) : 72
Width (mm) : 9
Bearing dimensions and specification in NTN catalogue:
d - 55 mm
D - 72 mm
B - 9 mm
C - 9 mm
Angle (α) - 15 °
a - 13 mm
r min. - 0,3 mm
r1 min. - 0,15 mm
Weight - 0,079 Kg
Basic dynamic load rating (C) - 13,1 kN
Basic static load rating (C0) - 12,7 kN
(Grease) Lubrication Speed - 13 000 r/min
(Oil) Lubrication Speed - 18 000 r/min
Calculation factor (f0) - 16,4
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