Deep groove ball bearings W637/4X-2Z

Bearing number : W637/4X-2Z

Size (mm) : 4x8x3

Brand : SKF

Bore Diameter (mm) : 4

Outer Diameter (mm) : 8

Width (mm) : 3

Bearing dimensions and specification in SKF catalogue:

d - 4 mm

D - 8 mm

B - 3 mm

C - 3 mm

d1 - 5 mm

d2 - – mm

r1 min. - 4,8 mm

r2 min. - 4,8 mm

D1 - 7,4 mm

D2 - 0,1 mm

da min. - 4,9 mm

Da max. - 7,5 mm

ra max. - 0,1 mm

Weight - 0,0005 Kg

Basic dynamic load rating (C) - 0,225 kN

Basic static load rating (C0) - 0,072 kN

Fatigue load limit (Pu) - 0,003

Reference speed - 150000 r/min

Limiting speed - 75000 r/min

Calculation factor (f0) - 7,2

Calculation factor (kr) - 0,02