Bearing 2689/2631 (KOYO)

Tapered roller bearings 2689/2631

Bearing number : 2689/2631

Size (mm) : 28.575x66.421x23.812

Brand : KOYO

Bore Diameter (mm) : 28,575

Outer Diameter (mm) : 66,421

Width (mm) : 23,812

Bearing dimensions and specification in KOYO catalogue:

d - 28,575 mm

D - 66,421 mm

T - 23,812 mm

B - 25,433 mm

C - 19,05 mm

a - 13,9 mm

r min. - 1,2 mm

r2 min. - 1,2 mm

da min. - 36 mm

Da - 58 mm

db min - 34 mm

ra max. - 1,2 mm

rb max. - 1,2 mm

Db - 60 mm

Weight - 0,414 Kg

Basic dynamic load rating (C) - 67 kN

Basic static load rating (C0) - 75,2 kN

(Grease) Lubrication Speed - 6500 r/min

(Oil) Lubrication Speed - 8700 r/min

Calculation factor (e) - 0,25

Calculation factor (Y0) - 1,3

Calculation factor (Y1) - 2,36

Designation

Bore Dia, mm

Outer Dia, mm: