Bearing 4T-6386/6320 (NTN)

Tapered roller bearings 4T-6386/6320

Bearing number : 4T-6386/6320

Size (mm) : 66.675x135.755x53.975

Brand : NTN

Bore Diameter (mm) : 66,675

Outer Diameter (mm) : 135,755

Width (mm) : 53,975

Bearing dimensions and specification in NTN catalogue:

d - 66,675 mm

D - 135,755 mm

T - 53,975 mm

B - 56,007 mm

C - 44,45 mm

ra1 max. - 3,3 mm

a - 18,8 mm

Da - 117 mm

db - 77 mm

ra max. - 4,3 mm

da - 87 mm

Db - 126 mm

Weight - 3,64 Kg

Basic dynamic load rating (C) - 278 kN

Basic static load rating (C0) - 380 kN

(Grease) Lubrication Speed - 2 900 r/min

(Oil) Lubrication Speed - 3 800 r/min

Calculation factor (e) - 0,32

Calculation factor (Y0) - 1,02

Calculation factor (Y2) - 1,85

Designation

Bore Dia, mm

Outer Dia, mm: