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Bearing W618/4 (SKF)
Deep groove ball bearings W618/4
Bearing number : W618/4
Size (mm) : 4x9x2.5
Brand : SKF
Bore Diameter (mm) : 4
Outer Diameter (mm) : 9
Width (mm) : 2,5
Bearing dimensions and specification in SKF catalogue:
d - 4 mm
D - 9 mm
B - 2,5 mm
C - 2,5 mm
d1 - 5,2 mm
d2 - – mm
r1 min. - 0,1 mm
r2 min. - 0,1 mm
D1 - 7,5 mm
D2 - – mm
da min. - 4,8 mm
Da max. - 8,2 mm
ra max. - 0,1 mm
Weight - 0,0006 Kg
Basic dynamic load rating (C) - 0,364 kN
Basic static load rating (C0) - 0,114 kN
Fatigue load limit (Pu) - 0,005
Reference speed - 140000 r/min
Limiting speed - 85000 r/min
Calculation factor (f0) - 6,5
Calculation factor (kr) - 0,02
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Bore Dia, mm
Outer Dia, mm:
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