Bearing 4T-25578/25520 (NTN)

Tapered roller bearings 4T-25578/25520

Bearing number : 4T-25578/25520

Size (mm) : 42.862x82.931x23.812

Brand : NTN

Bore Diameter (mm) : 42,862

Outer Diameter (mm) : 82,931

Width (mm) : 23,812

Bearing dimensions and specification in NTN catalogue:

d - 42,862 mm

D - 82,931 mm

T - 23,812 mm

B - 25,4 mm

C - 19,05 mm

ra1 max. - 0,8 mm

a - 6,2 mm

Da - 74 mm

db - 49,5 mm

ra max. - 2,3 mm

da - 53 mm

Db - 77 mm

Weight - 0,584 Kg

Basic dynamic load rating (C) - 76 kN

Basic static load rating (C0) - 98 kN

(Grease) Lubrication Speed - 4 500 r/min

(Oil) Lubrication Speed - 6 000 r/min

Calculation factor (e) - 0,33

Calculation factor (Y0) - 0,99

Calculation factor (Y2) - 1,79

Designation

Bore Dia, mm

Outer Dia, mm: