Bearing 4T-2580/2520 (NTN)

Tapered roller bearings 4T-2580/2520

Bearing number : 4T-2580/2520

Size (mm) : 31.75x66.421x25.4

Brand : NTN

Bore Diameter (mm) : 31,75

Outer Diameter (mm) : 66,421

Width (mm) : 25,4

Bearing dimensions and specification in NTN catalogue:

d - 31,75 mm

D - 66,421 mm

T - 25,4 mm

B - 25,357 mm

C - 20,638 mm

ra1 max. - 3,3 mm

a - 9,1 mm

Da - 57 mm

db - 37,5 mm

ra max. - 0,8 mm

da - 38,5 mm

Db - 62 mm

Weight - 0,409 Kg

Basic dynamic load rating (C) - 69 kN

Basic static load rating (C0) - 81,5 kN

(Grease) Lubrication Speed - 5 700 r/min

(Oil) Lubrication Speed - 7 600 r/min

Calculation factor (e) - 0,27

Calculation factor (Y0) - 1,21

Calculation factor (Y2) - 2,19

Designation

Bore Dia, mm

Outer Dia, mm: