SKF W 639/3 R-2Z Deep Groove Ball Bearing

Details

Technical specification

DIMENSIONS

d		3 mm
D		8 mm
B		4 mm
d1		? 4.35 mm
D2		? 7.25 mm
D3		9.5 mm
C		0.9 mm
r1,2		min. 0.15 mm

ABUTMENT DIMENSIONS

da		min. 3.9 mm
da		max. 4.3 mm
ra		max. 0.15 mm

CALCULATION DATA

Basic dynamic load rating	C	0.319 kN
Basic static load rating	C0	0.09 kN
Fatigue load limit	Pu	0.004 kN
Reference speed		150000 r/min
Limiting speed		75000 r/min
Calculation factor	kr	0.025
Calculation factor	f0	6.1

MASS

Mass bearing		0.000922 kg