Bearing 4T-1985/1930 (NTN)

Tapered roller bearings 4T-1985/1930

Bearing number : 4T-1985/1930

Size (mm) : 28.575x56.896x19.845

Brand : NTN

Bore Diameter (mm) : 28,575

Outer Diameter (mm) : 56,896

Width (mm) : 19,845

Bearing dimensions and specification in NTN catalogue:

d - 28,575 mm

D - 56,896 mm

T - 19,845 mm

B - 19,355 mm

C - 15,875 mm

ra1 max. - 0,8 mm

a - 6,7 mm

Da - 51 mm

db - 33,5 mm

ra max. - 0,8 mm

da - 34 mm

Db - 54 mm

Weight - 0,217 Kg

Basic dynamic load rating (C) - 40,5 kN

Basic static load rating (C0) - 44,5 kN

(Grease) Lubrication Speed - 6 700 r/min

(Oil) Lubrication Speed - 8 900 r/min

Calculation factor (e) - 0,33

Calculation factor (Y0) - 1

Calculation factor (Y2) - 1,82

Designation

Bore Dia, mm

Outer Dia, mm: