SKF W 638/4 X-2Z Deep Groove Ball Bearing

Details

Technical specification

DIMENSIONS

d		4 mm
D		10 mm
B		4 mm
d1		? 5.9 mm
D2		? 8.8 mm
r1,2		min. 0.2 mm

ABUTMENT DIMENSIONS

da		min. 5.6 mm
da		max. 5.8 mm
Da		max. 8.8 mm
ra		max. 0.2 mm

CALCULATION DATA

Basic dynamic load rating	C	0.553 kN
Basic static load rating	C0	0.245 kN
Fatigue load limit	Pu	0.011 kN
Reference speed		130000 r/min
Limiting speed		63000 r/min
Calculation factor	kr	0.02
Calculation factor	f0	12.3

MASS

Mass bearing		0.0013 kg