Bearing 3994/3920 (NACHI)

Tapered roller bearings 3994/3920

Bearing number : 3994/3920

Size (mm) : 112.713x66.675x30.163

Brand : NACHI

Bore Diameter (mm) : 112.713

Outer Diameter (mm) : 66.675

Width (mm) : 30.163

Bearing dimensions and specification in NACHI catalogue:

d - 66.675 mm

D - 112.713 mm

T - 30.163 mm

B - 30.048 mm

C - 23.813 mm

a - 4.3 mm

r1 min. - 5.6 mm

r2 min. - 3.2 mm

Weight - 1,15 Kg

Basic dynamic load rating (C) - 111000 kN

Basic static load rating (C0) - 164000 kN

(Grease) Lubrication Speed - 2800 r/min

(Oil) Lubrication Speed - 4000 r/min

Calculation factor (e) - 0.40

Calculation factor (Y0) - 0.82

Calculation factor (Y1) - 1.49

Designation

Bore Dia, mm

Outer Dia, mm: