Self-aligning ball bearings 1220

Bearing number : 1220

Size (mm) : 100x180x34

Brand : NACHI

Bore Diameter (mm) : 100

Outer Diameter (mm) : 180

Width (mm) : 34

Bearing dimensions and specification in NACHI catalogue:

d - 100 mm

D - 180 mm

B - 34 mm

C - 34 mm

r1 min. - 2.1 mm

da min. - 112 mm

Da max. - 68 mm

ra max. - 2 mm

Weight - 3.70 Kg

Basic dynamic load rating (C) - 69 kN

Basic static load rating (C0) - 29,7 kN

(Grease) Lubrication Speed - 3100 r/min

(Oil) Lubrication Speed - 3700 r/min

Calculation factor (e) - 0.17

Calculation factor (Y0) - 3.8

Calculation factor (Y1) - 3.6

Calculation factor (Y2) - 5.6