Bearing 681A/672 (NACHI)

Tapered roller bearings 681A/672

Bearing number : 681A/672

Size (mm) : 168.275x92.075x41.275

Brand : NACHI

Bore Diameter (mm) : 168.275

Outer Diameter (mm) : 92.075

Width (mm) : 41.275

Bearing dimensions and specification in NACHI catalogue:

d - 92.075 mm

D - 168.275 mm

T - 41.275 mm

B - 41.275 mm

C - 30.162 mm

a - 2.8 mm

r1 min. - 6.4 mm

r2 min. - 3.3 mm

Weight - 3,91 Kg

Basic dynamic load rating (C) - 208000 kN

Basic static load rating (C0) - 310000 kN

(Grease) Lubrication Speed - 2000 r/min

(Oil) Lubrication Speed - 2800 r/min

Calculation factor (e) - 0.47

Calculation factor (Y0) - 0.70

Calculation factor (Y1) - 1.3

Designation

Bore Dia, mm

Outer Dia, mm: