Bearing 645/633 (NSK)

Tapered roller bearings 645/633

Bearing number : 645/633

Size (mm) : 71.438x130.175x41.275

Brand : NSK

Bore Diameter (mm) : 71,438

Outer Diameter (mm) : 130,175

Width (mm) : 41,275

Bearing dimensions and specification in NSK catalogue:

d - 71,438 mm

D - 130,175 mm

T - 41,275 mm

B - 41,275 mm

C - 31,75 mm

ra1 max. - 3,3 mm

a - 29,9 mm

r min. - 6,4 mm

r1 min. - 3,3 mm

Da - 116 mm

db - 81 mm

ra max. - 6,4 mm

da - 93 mm

Db - 124 mm

Weight - 2,202 Kg

Basic dynamic load rating (C) - 195 kN

Basic static load rating (C0) - 263 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

Designation

Bore Dia, mm

Outer Dia, mm: