Bearing 6389/6320 (KOYO)

Tapered roller bearings 6389/6320

Bearing number : 6389/6320

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

Brand : KOYO

Bore Diameter (mm) : 66,675

Outer Diameter (mm) : 135,755

Width (mm) : 53,975

Bearing dimensions and specification in KOYO catalogue:

d - 66,675 mm

D - 135,755 mm

T - 53,975 mm

B - 56,007 mm

C - 44,45 mm

a - 34,8 mm

r min. - 6,4 mm

r2 min. - 3,2 mm

da min. - 91 mm

Da - 117 mm

db min - 77,5 mm

ra max. - 6,4 mm

rb max. - 3,2 mm

Db - 126 mm

Weight - 3,52 Kg

Basic dynamic load rating (C) - 266 kN

Basic static load rating (C0) - 357 kN

(Grease) Lubrication Speed - 3000 r/min

(Oil) Lubrication Speed - 4000 r/min

Calculation factor (e) - 0,32

Calculation factor (Y0) - 1,02

Calculation factor (Y1) - 1,85

Designation

Bore Dia, mm

Outer Dia, mm: