Bearing 4T-2689/2631 (NTN)

Tapered roller bearings 4T-2689/2631

Bearing number : 4T-2689/2631

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

Brand : NTN

Bore Diameter (mm) : 28,575

Outer Diameter (mm) : 66,421

Width (mm) : 23,812

Bearing dimensions and specification in NTN catalogue:

d - 28,575 mm

D - 66,421 mm

T - 23,812 mm

B - 25,433 mm

C - 19,05 mm

ra1 max. - 1,3 mm

a - 9,3 mm

Da - 58 mm

db - 34 mm

ra max. - 1,3 mm

da - 36 mm

Db - 60 mm

Weight - 0,416 Kg

Basic dynamic load rating (C) - 64,5 kN

Basic static load rating (C0) - 72,5 kN

(Grease) Lubrication Speed - 6 200 r/min

(Oil) Lubrication Speed - 8 200 r/min

Calculation factor (e) - 0,25

Calculation factor (Y0) - 1,3

Calculation factor (Y2) - 2,36

Designation

Bore Dia, mm

Outer Dia, mm: