Bearing 4T-28990/28920 (NTN)

Tapered roller bearings 4T-28990/28920

Bearing number : 4T-28990/28920

Size (mm) : 61.976x101.6x24.608

Brand : NTN

Bore Diameter (mm) : 61,976

Outer Diameter (mm) : 101,6

Width (mm) : 24,608

Bearing dimensions and specification in NTN catalogue:

d - 61,976 mm

D - 101,6 mm

T - 24,608 mm

B - 24,608 mm

C - 19,845 mm

ra1 max. - 3,3 mm

a - 1,7 mm

Da - 90 mm

db - 68 mm

ra max. - 2 mm

da - 72 mm

Db - 97 mm

Weight - 0,768 Kg

Basic dynamic load rating (C) - 90,5 kN

Basic static load rating (C0) - 134 kN

(Grease) Lubrication Speed - 3 500 r/min

(Oil) Lubrication Speed - 4 700 r/min

Calculation factor (e) - 0,43

Calculation factor (Y0) - 0,78

Calculation factor (Y2) - 1,41

Designation

Bore Dia, mm

Outer Dia, mm: