Bearing 4T-1280/1220 (NTN)

Tapered roller bearings 4T-1280/1220

Bearing number : 4T-1280/1220

Size (mm) : 22.225x57.15x22.225

Brand : NTN

Bore Diameter (mm) : 22,225

Outer Diameter (mm) : 57,15

Width (mm) : 22,225

Bearing dimensions and specification in NTN catalogue:

d - 22,225 mm

D - 57,15 mm

T - 22,225 mm

B - 22,225 mm

C - 17,462 mm

ra1 max. - 1,5 mm

a - 7,1 mm

Da - 49 mm

db - 29 mm

ra max. - 0,8 mm

da - 29,5 mm

Db - 52 mm

Weight - 0,286 Kg

Basic dynamic load rating (C) - 47 kN

Basic static load rating (C0) - 49,5 kN

(Grease) Lubrication Speed - 7 100 r/min

(Oil) Lubrication Speed - 9 500 r/min

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,95

Calculation factor (Y2) - 1,73

Designation

Bore Dia, mm

Outer Dia, mm: