Bearing 778/772 (NACHI)

Tapered roller bearings 778/772

Bearing number : 778/772

Size (mm) : 180.975x92.075x47.625

Brand : NACHI

Bore Diameter (mm) : 180.975

Outer Diameter (mm) : 92.075

Width (mm) : 47.625

Bearing dimensions and specification in NACHI catalogue:

d - 92.075 mm

D - 180.975 mm

T - 47.625 mm

B - 48.006 mm

C - 38.100 mm

a - 8.1 mm

r1 min. - 3.5 mm

r2 min. - 3.3 mm

Weight - 5,43 Kg

Basic dynamic load rating (C) - 278000 kN

Basic static load rating (C0) - 415000 kN

(Grease) Lubrication Speed - 2000 r/min

(Oil) Lubrication Speed - 2700 r/min

Calculation factor (e) - 0.39

Calculation factor (Y0) - 0.86

Calculation factor (Y1) - 1.6

Designation

Bore Dia, mm

Outer Dia, mm: