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

W 639/2 R-2Z

Dimensions

d		2	mm
D		6	mm
B		3	mm
d₁	≈	3	mm
D₂	≈	5.4	mm
D₃		7.5	mm
C		0.8	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	2.9	mm
d_a	max.	2.9	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

0.00041

Model Number: W 639/2 R-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：2026-04-17
Application:plastic blow molding,ultra-quiet generators,food safety,embroidery cloth,wall materials,chromatography,linear drive,ECG,hydraulic pump,glass,Rolling mill gear box
Similar models:W 639/3-2RS1 W 639-2Z W 639-2RZ W 639/1.5-2Z W 639/2-2Z W 639/2.5 R-2ZS W 639/3-2Z 316639 AG W 639/3 R-2RS1 W 639-2RS1
BEARING POWER International Trading Co.,Ltd. specialize in W639/2R-2Z products，there is large inventory of SKF W 639/2 R-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 639/2 R-2Z Which SKF W639/2R-2Z is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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