NACHI 639/633 bearing

Tapered roller bearings 639/633

Bearing number : 639/633

Size (mm) : 130.175x63.500x41.275

Brand : NACHI

Bore Diameter (mm) : 130.175

Outer Diameter (mm) : 63.500

Width (mm) : 41.275

Bearing dimensions and specification in NACHI catalogue:

d - 63.500 mm

D - 130.175 mm

T - 41.275 mm

B - 41.275 mm

C - 31.750 mm

a - 11.2 mm

r1 min. - 3.5 mm

r2 min. - 3.3 mm

Weight - 2,495 Kg

Basic dynamic load rating (C) - 183000 kN

Basic static load rating (C0) - 246000 kN

(Grease) Lubrication Speed - 2800 r/min

(Oil) Lubrication Speed - 3800 r/min

Calculation factor (e) - 0.36

Calculation factor (Y0) - 0.91

Calculation factor (Y1) - 1.7