Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 639/3-2Z

W 639/3-2Z

Dimensions

d		3	mm
D		8	mm
B		4	mm
d₁	≈	4.35	mm
D₂	≈	7.25	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	3.9	mm
d_a	max.	4.3	mm
D_a	max.	7.3	mm
r_a	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	P_u	0.004	kN
Reference speed		150000	r/min
Limiting speed		75000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	6.1

Mass

Mass bearing

0.00082

Model Number: W 639/3-2Z
Inner Diameter：3mm Outer Diameter：8mm Width：4mm
Reference speed:75000 r/min Limiting speed:150000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2025-12-09
Application:miscellaneous instruments,metering pump,paper processing machine,Hydraulic Rama,top industry,teaching equipment,Cylinder Type,hydraulic cylinder,training beds etc,van,milling head plug
Similar models:W 639/3 R-2RS1 LL 639249/210 W 639/2.5-2ZS W 639-2RS1 W 639/2 R-2Z W 639/3-2Z W 639-2RZ 316639 AG W 639/3 R-2Z W 639/2-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W639/3-2Z products，there is large inventory of SKF W 639/3-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 639/3-2Z Which SKF W639/3-2Z 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
10515	27	38.07	6.35	Seals
1550 VL R	1405	-	-	Seals
230x269x22 HS5 R	230	269	22	Seals
6230 M	150	270	45	Bearings, units and housings
7018 ACD/HCP4AL	90	140	24	Bearings, units and housings
FSAF 1220 TLC	100	-	-	Bearings, units and housings
FSAF 22617 x 2.13/16 T	71.4375	-	-	Bearings, units and housings
PCMF 151709 E	15	17	9	Bearings, units and housings
SAW 23244	220	-	-	Bearings, units and housings
SAW 23544	201.6125	-	-	Bearings, units and housings
SNW 18x3.1/4	82.55	90	66.9544	Bearings, units and housings
SSAFS 22526 x 4.1/2	114.3	-	-	Bearings, units and housings

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