Bearing 4T-780/772 (NTN)

Tapered roller bearings 4T-780/772

Bearing number : 4T-780/772

Size (mm) : 101.6x180.975x47.625

Brand : NTN

Bore Diameter (mm) : 101,6

Outer Diameter (mm) : 180,975

Width (mm) : 47,625

Bearing dimensions and specification in NTN catalogue:

d - 101,6 mm

D - 180,975 mm

T - 47,625 mm

B - 48,006 mm

C - 38,1 mm

ra1 max. - 3,3 mm

a - 8,1 mm

Da - 161 mm

db - 113 mm

ra max. - 3,5 mm

da - 119 mm

Db - 168 mm

Weight - 5,11 Kg

Basic dynamic load rating (C) - 285 kN

Basic static load rating (C0) - 430 kN

(Grease) Lubrication Speed - 2 000 r/min

(Oil) Lubrication Speed - 2 700 r/min

Calculation factor (e) - 0,39

Calculation factor (Y0) - 0,86

Calculation factor (Y2) - 1,56

Designation

Bore Dia, mm

Outer Dia, mm: