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Bearing 1311S (NTN)
Self-aligning ball bearings 1311S
Bearing number : 1311S
Size (mm) : 55x120x29
Brand : NTN
Bore Diameter (mm) : 55
Outer Diameter (mm) : 120
Width (mm) : 29
Bearing dimensions and specification in NTN catalogue:
d - 55 mm
D - 120 mm
B - 29 mm
C - 29 mm
r min. - 2 mm
da min. - 64 mm
Da max. - 111 mm
ra max. - 2 mm
Weight - 1,6 Kg
Basic dynamic load rating (C) - 51,5 kN
Basic static load rating (C0) - 17,9 kN
(Grease) Lubrication Speed - 5 000 r/min
(Oil) Lubrication Speed - 6 300 r/min
Calculation factor (e) - 0,23
Calculation factor (Y0) - 2,8
Calculation factor (Y1) - 2,7
Calculation factor (Y2) - 4,2
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