Bearing 4T-02872/02820 (NTN)

Tapered roller bearings 4T-02872/02820

Bearing number : 4T-02872/02820

Size (mm) : 28.575x73.025x22.225

Brand : NTN

Bore Diameter (mm) : 28,575

Outer Diameter (mm) : 73,025

Width (mm) : 22,225

Bearing dimensions and specification in NTN catalogue:

d - 28,575 mm

D - 73,025 mm

T - 22,225 mm

B - 22,225 mm

C - 17,462 mm

ra1 max. - 3,3 mm

a - 3,9 mm

Da - 62 mm

db - 37 mm

ra max. - 0,8 mm

da - 37,5 mm

Db - 68 mm

Weight - 0,48 Kg

Basic dynamic load rating (C) - 56,5 kN

Basic static load rating (C0) - 68 kN

(Grease) Lubrication Speed - 5 300 r/min

(Oil) Lubrication Speed - 7 000 r/min

Calculation factor (e) - 0,45

Calculation factor (Y0) - 0,73

Calculation factor (Y2) - 1,32

Designation

Bore Dia, mm

Outer Dia, mm: