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Bearing 6311N (NACHI)
Deep groove ball bearings 6311N
Bearing number : 6311N
Size (mm) : 55x120x29
Brand : NACHI
Bore Diameter (mm) : 55
Outer Diameter (mm) : 120
Width (mm) : 29
Bearing dimensions and specification in NACHI catalogue:
d - 55 mm
D - 120 mm
B - 29 mm
C - 29 mm
a - 4.06 mm
b - 3.1 mm
r min. - 2 mm
r1 min. - 0.5 mm
D1 - 115.21 mm
Weight - 1.37 Kg
Basic dynamic load rating (C) - 71,5 kN
Basic static load rating (C0) - 44,5 kN
(Grease) Lubrication Speed - 5600 r/min
(Oil) Lubrication Speed - 6600 r/min
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