Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 639/2-2Z

W 639/2-2Z

Dimensions

d		2	mm
D		6	mm
B		3	mm
d₁	≈	3	mm
D₂	≈	5.4	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	2.9	mm
d_a	max.	2.9	mm
D_a	max.	5.4	mm
r_a	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	0.19	kN
Basic static load rating	C₀	0.051	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		180000	r/min
Limiting speed		90000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	6

Mass

Mass bearing

0.00031

Model Number: W 639/2-2Z
Inner Diameter：2mm Outer Diameter：6mm Width：3mm
Reference speed:90000 r/min Limiting speed:180000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2024-12-13
Application:sleep monitoring,Small air generators,plastic molding,sheet industry,mobile toilet,forklift truck,tire industry,flow control valve,municipal machinery,ventilation fans,tapping machine
Similar models:W 639 W 639/1.5-2Z LL 639249/210 W 639-2Z W 639/2.5-2ZS W 639/3-2RS1 W 639/1.5 R-2Z 316639 AG W 639/3-2Z 6391/K-6320
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