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NSK 643/633 bearing

Bearing 643/633

NSK 643/633, Size: 69.85x130.175x41.275. NSK 643/633 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Tapered roller bearings 643/633

Bearing number : 643/633

Size (mm) : 69.85x130.175x41.275

Brand : NSK

Bore Diameter (mm) : 69,85

Outer Diameter (mm) : 130,175

Width (mm) : 41,275

Bearing dimensions and specification in NSK catalogue:

d - 69,85 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. - 3,5 mm

r1 min. - 3,3 mm

Da - 116 mm

db - 80 mm

ra max. - 3,5 mm

da - 86 mm

Db - 124 mm

Weight - 2,272 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

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