Tapered roller bearings 12580/12520

Bearing number : 12580/12520

Size (mm) : 20.638x49.225x19.845

Brand : NACHI

Bore Diameter (mm) : 20.638

Outer Diameter (mm) : 49.225

Width (mm) : 19.845

Bearing dimensions and specification in NACHI catalogue:

d - 20.638 mm

D - 49.225 mm

T - 19.845 mm

B - 19.845 mm

C - 15.875 mm

a - 7.1 mm

r1 min. - 1.5 mm

r2 min. - 1.5 mm

Weight - 0,181 Kg

Basic dynamic load rating (C) - 36000 kN

Basic static load rating (C0) - 37000 kN

(Grease) Lubrication Speed - 8000 r/min

(Oil) Lubrication Speed - 11000 r/min

Calculation factor (e) - 0.32

Calculation factor (Y0) - 1.0

Calculation factor (Y1) - 1.9