Bearing 4T-67790/67720 (NTN)

Tapered roller bearings 4T-67790/67720

Bearing number : 4T-67790/67720

Size (mm) : 177.8x247.65x47.625

Brand : NTN

Bore Diameter (mm) : 177,8

Outer Diameter (mm) : 247,65

Width (mm) : 47,625

Bearing dimensions and specification in NTN catalogue:

d - 177,8 mm

D - 247,65 mm

T - 47,625 mm

B - 47,625 mm

C - 38,1 mm

ra1 max. - 3,3 mm

a - -4,8 mm

Da - 229 mm

db - 188 mm

ra max. - 3,5 mm

da - 194 mm

Db - 240 mm

Weight - 6,57 Kg

Basic dynamic load rating (C) - 340 kN

Basic static load rating (C0) - 690 kN

(Grease) Lubrication Speed - 1 300 r/min

(Oil) Lubrication Speed - 1 700 r/min

Calculation factor (e) - 0,44

Calculation factor (Y0) - 0,75

Calculation factor (Y2) - 1,36

Designation

Bore Dia, mm

Outer Dia, mm: