Self-aligning ball bearings 1311

Bearing number : 1311

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

r1 min. - 2 mm

da min. - 64 mm

Da max. - 111 mm

ra max. - 2.0 mm

Weight - 1.580 Kg

Basic dynamic load rating (C) - 51,3 kN

Basic static load rating (C0) - 17,9 kN

(Grease) Lubrication Speed - 5100 r/min

(Oil) Lubrication Speed - 6200 r/min

Calculation factor (e) - 0.23

Calculation factor (Y0) - 2.83

Calculation factor (Y1) - 2.70

Calculation factor (Y2) - 4.18