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Bearing 6811N (NACHI)
Deep groove ball bearings 6811N
Bearing number : 6811N
Size (mm) : 55x72x9
Brand : NACHI
Bore Diameter (mm) : 55
Outer Diameter (mm) : 72
Width (mm) : 9
Bearing dimensions and specification in NACHI catalogue:
d - 55 mm
D - 72 mm
B - 9 mm
C - 9 mm
a - 1.7 mm
b - 0.95 mm
r min. - 0.3 mm
r1 min. - 0.3 mm
D1 - 70.7 mm
Weight - 0.085 Kg
Basic dynamic load rating (C) - 8,8 kN
Basic static load rating (C0) - 8,1 kN
(Grease) Lubrication Speed - 8500 r/min
(Oil) Lubrication Speed - 10000 r/min
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