NSK B640-2 bearing

Bearing B640-2

NSK B640-2 bearing, Size: 640x740x38. NSK B640-2 are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Deep groove ball bearings B640-2

Bearing number : B640-2

Size (mm) : 640x740x38

Brand : NSK

Bore Diameter (mm) : 640

Outer Diameter (mm) : 740

Width (mm) : 38

Bearing dimensions and specification in NSK catalogue:

d - 640 mm

D - 740 mm

B - 38 mm

C - 38 mm

r min. - 2,1 mm

da min. - 662 mm

Da max. - 714 mm

ra max. - 2 mm

Weight - 26,8 Kg

Basic dynamic load rating (C) - 248 kN

Basic static load rating (C0) - 535 kN

Calculation factor (f0) - 17,9

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