Bearing 645/632 (NACHI)

Tapered roller bearings 645/632

Bearing number : 645/632

Size (mm) : 136.525x71.438x41.275

Brand : NACHI

Bore Diameter (mm) : 136.525

Outer Diameter (mm) : 71.438

Width (mm) : 41.275

Bearing dimensions and specification in NACHI catalogue:

d - 71.438 mm

D - 136.525 mm

T - 41.275 mm

B - 41.275 mm

C - 31.750 mm

a - 11.0 mm

r1 min. - 6.4 mm

r2 min. - 3.2 mm

Weight - 2,5 Kg

Basic dynamic load rating (C) - 197000 kN

Basic static load rating (C0) - 267000 kN

(Grease) Lubrication Speed - 2500 r/min

(Oil) Lubrication Speed - 3500 r/min

Calculation factor (e) - 0.36

Calculation factor (Y0) - 0.91

Calculation factor (Y1) - 1.66

Designation

Bore Dia, mm

Outer Dia, mm: