Bearing 744/742 (NACHI)

Tapered roller bearings 744/742

Bearing number : 744/742

Size (mm) : 150.089x73.025x44.450

Brand : NACHI

Bore Diameter (mm) : 150.089

Outer Diameter (mm) : 73.025

Width (mm) : 44.450

Bearing dimensions and specification in NACHI catalogue:

d - 73.025 mm

D - 150.089 mm

T - 44.450 mm

B - 46.673 mm

C - 36.512 mm

a - 12.0 mm

r1 min. - 3.5 mm

r2 min. - 3.3 mm

Weight - 3,56 Kg

Basic dynamic load rating (C) - 252000 kN

Basic static load rating (C0) - 345000 kN

(Grease) Lubrication Speed - 2400 r/min

(Oil) Lubrication Speed - 3200 r/min

Calculation factor (e) - 0.33

Calculation factor (Y0) - 1.0

Calculation factor (Y1) - 1.8

Designation

Bore Dia, mm

Outer Dia, mm: