Self-aligning ball bearings 1304

Bearing number : 1304

Size (mm) : 20x52x15

Brand : NACHI

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 15

Bearing dimensions and specification in NACHI catalogue:

d - 20 mm

D - 52 mm

B - 15 mm

C - 15 mm

r1 min. - 1.1 mm

da min. - 26.5 mm

Da max. - 45.5 mm

ra max. - 1.0 mm

Weight - 0.163 Kg

Basic dynamic load rating (C) - 12,4 kN

Basic static load rating (C0) - 3,3 kN

(Grease) Lubrication Speed - 12000 r/min

(Oil) Lubrication Speed - 15000 r/min

Calculation factor (e) - 0.30

Calculation factor (Y0) - 2.22

Calculation factor (Y1) - 2.12

Calculation factor (Y2) - 3.28