Bearing 2580/2520 (KOYO)

Tapered roller bearings 2580/2520

Bearing number : 2580/2520

Size (mm) : 66,421x31.75x25,4

Brand : KOYO

Bore Diameter (mm) : 66,421

Outer Diameter (mm) : 31.75

Width (mm) : 25,4

Bearing dimensions and specification in KOYO catalogue:

d - 31.75 mm

D - 66,421 mm

T - 25,4 mm

B - 25,357 mm

C - 20,638 mm

a - 16 mm

r min. - 0,8 mm

r2 min. - 3,2 mm

da min. - 38,5 mm

Da - 57 mm

db min - 37,5 mm

ra max. - 0,8 mm

rb max. - 3,2 mm

Db - 62,5 mm

Weight - 0,404 Kg

Basic dynamic load rating (C) - 71,4 kN

Basic static load rating (C0) - 85,1 kN

(Grease) Lubrication Speed - 6000 r/min

(Oil) Lubrication Speed - 8000 r/min

Calculation factor (e) - 0,27

Calculation factor (Y0) - 1,21

Calculation factor (Y1) - 2,19

Designation

Bore Dia, mm

Outer Dia, mm: