Bearing 4T-2879/2820 (NTN)

Tapered roller bearings 4T-2879/2820

Bearing number : 4T-2879/2820

Size (mm) : 31.75x73.025x22.225

Brand : NTN

Bore Diameter (mm) : 31,75

Outer Diameter (mm) : 73,025

Width (mm) : 22,225

Bearing dimensions and specification in NTN catalogue:

d - 31,75 mm

D - 73,025 mm

T - 22,225 mm

B - 23,812 mm

C - 17,462 mm

ra1 max. - 3,3 mm

a - 5,5 mm

Da - 63 mm

db - 38,5 mm

ra max. - 0,8 mm

da - 39,5 mm

Db - 68 mm

Weight - 0,465 Kg

Basic dynamic load rating (C) - 62,5 kN

Basic static load rating (C0) - 75,5 kN

(Grease) Lubrication Speed - 5 200 r/min

(Oil) Lubrication Speed - 7 000 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,9

Calculation factor (Y2) - 1,63

Designation

Bore Dia, mm

Outer Dia, mm: