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Bearing W637/4X-2Z (SKF)
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
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Outer Dia, mm:
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