Bearing 4T-22780/22720 (NTN)

Tapered roller bearings 4T-22780/22720

Bearing number : 4T-22780/22720

Size (mm) : 42.862x82.55x26.195

Brand : NTN

Bore Diameter (mm) : 42,862

Outer Diameter (mm) : 82,55

Width (mm) : 26,195

Bearing dimensions and specification in NTN catalogue:

d - 42,862 mm

D - 82,55 mm

T - 26,195 mm

B - 26,988 mm

C - 20,638 mm

ra1 max. - 3,3 mm

a - 6,4 mm

Da - 71 mm

db - 50 mm

ra max. - 3,5 mm

da - 56 mm

Db - 77 mm

Weight - 0,617 Kg

Basic dynamic load rating (C) - 75,5 kN

Basic static load rating (C0) - 97 kN

(Grease) Lubrication Speed - 4 600 r/min

(Oil) Lubrication Speed - 6 100 r/min

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y2) - 1,49

Designation

Bore Dia, mm

Outer Dia, mm: