NTN 1304SK bearing


Bearing 1304SK

Self-aligning ball bearings 1304SK

Bearing number : 1304SK

Size (mm) : 20x52x15

Brand : NTN

Bore Diameter (mm) : 20

Outer Diameter (mm) : 52

Width (mm) : 15

Bearing dimensions and specification in NTN catalogue:

d - 20 mm

D - 52 mm

B - 15 mm

C - 15 mm

r min. - 1,1 mm

da min. - 26,5 mm

Da max. - 45,5 mm

ra max. - 1 mm

Weight - 0,15 Kg

Basic dynamic load rating (C) - 12,6 kN

Basic static load rating (C0) - 3,35 kN

(Grease) Lubrication Speed - 12 000 r/min

(Oil) Lubrication Speed - 15 000 r/min

Calculation factor (e) - 0,29

Calculation factor (Y0) - 2,3

Calculation factor (Y1) - 2,2

Calculation factor (Y2) - 3,4