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Bearing W 638/4 R-2Z (SKF)
Deep groove ball bearings W 638/4 R-2Z
Bearing number : W 638/4 R-2Z
Size (mm) : 4x9x4
Brand : SKF
Bore Diameter (mm) : 4
Outer Diameter (mm) : 9
Width (mm) : 4
Bearing dimensions and specification in SKF catalogue:
d - 4 mm
D - 9 mm
B - 4 mm
C - 4 mm
C - 1 mm
D3 - 10,3 mm
Weight - 0,0011 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 - 140 000 r/min
Limiting speed - 70 000 r/min
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Bore Dia, mm
Outer Dia, mm:
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