Bearing 3981/3920 (NACHI)

Tapered roller bearings 3981/3920

Bearing number : 3981/3920

Size (mm) : 112.712x58.738x30.162

Brand : NACHI

Bore Diameter (mm) : 112.712

Outer Diameter (mm) : 58.738

Width (mm) : 30.162

Bearing dimensions and specification in NACHI catalogue:

d - 58.738 mm

D - 112.712 mm

T - 30.162 mm

B - 30.048 mm

C - 23.812 mm

a - 4.5 mm

r1 min. - 3.5 mm

r2 min. - 3.3 mm

Weight - 1,35 Kg

Basic dynamic load rating (C) - 118000 kN

Basic static load rating (C0) - 172000 kN

(Grease) Lubrication Speed - 3200 r/min

(Oil) Lubrication Speed - 4300 r/min

Calculation factor (e) - 0.40

Calculation factor (Y0) - 0.82

Calculation factor (Y1) - 1.5

Designation

Bore Dia, mm

Outer Dia, mm: