SKF W639/2.5-2ZS Bearing Specifications

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Bearing W639/2.5-2ZS

Bearing number : W639/2.5-2ZS

Size (mm) : 2.5x7x3.5

Brand : SKF

Bore Diameter (mm) : 2,5

Outer Diameter (mm) : 7

Width (mm) : 3,5

Bearing dimensions and specification in SKF catalogue:

d - 2,5 mm

D - 7 mm

B - 3,5 mm

C - 3,5 mm

d1 - 3,8 mm

d2 - – mm

r1 min. - 3,7 mm

r2 min. - 3,7 mm

D1 - 6,2 mm

D2 - 0,15 mm

da min. - 3,8 mm

Da max. - 6,2 mm

ra max. - 0,15 mm

Weight - 0,00055 Kg

Basic dynamic load rating (C) - 0,221 kN

Basic static load rating (C0) - 0,067 kN

Fatigue load limit (Pu) - 0,003

Reference speed - 160000 r/min

Limiting speed - 80000 r/min

Calculation factor (f0) - 6,6

Calculation factor (kr) - 0,025

Tags :  SKF , 2.5x7x3.5