Bearing 3978/3920 (KOYO)

Tapered roller bearings 3978/3920

Bearing number : 3978/3920

Brand : KOYO

Bore Diameter (mm) : 59,53

Width (mm) : 30,048

Bearing dimensions and specification in KOYO catalogue:

d - 59,53 mm

T - 30,162 mm

B - 30,048 mm

C - 23,812 mm

a - 25,9 mm

r min. - 1,6 mm

r1 min. - 3,2 mm

Da - 99 mm

db - 68 mm

da - 70 mm

Db - 106 mm

Basic dynamic load rating (C) - 111 kN

Basic static load rating (C0) - 164 kN

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y1) - 1,49

Tags : KOYO

Designation

Bore Dia, mm

Outer Dia, mm: