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SKF 638/4-2Z Deep Groove Ball Bearings

BRAND : SKF

Dimensions

Details

Dimensions
d 4mm
D 9mm
B 4mm
d1?5.2mm
D2?8.1mm
r1,2min.0.1mm
Abutment dimensions
damin.4.6mm
damax.5.1mm
Damax.8.4mm
ramax.0.1mm
Calculation data
Basic dynamic load ratingC 0.423kN
Basic static load ratingC0 0.116kN
Fatigue load limitPu 0.005kN
Reference speed 140000r/min
Limiting speed 70000r/min
Calculation factorkr 0.015
Calculation factorf0 6.5
Mass
Mass bearing 0.0013kg

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