SKF W 637/4 XR-2Z Deep Groove Ball Bearing

Details

Technical specification

DIMENSIONS

d		4 mm
D		8 mm
B		3 mm
d1		? 5 mm
D2		? 7.4 mm
D3		9.2 mm
C		0.6 mm
r1,2		min. 0.1 mm

ABUTMENT DIMENSIONS

da		min. 4.8 mm
da		max. 4.9 mm
ra		max. 0.1 mm

CALCULATION DATA

Basic dynamic load rating	C	0.225 kN
Basic static load rating	C0	0.072 kN
Fatigue load limit	Pu	0.003 kN
Reference speed		150000 r/min
Limiting speed		75000 r/min
Calculation factor	kr	0.02
Calculation factor	f0	7.2

MASS

Mass bearing		0.000613 kg