Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 639/2.5-2ZS

W 639/2.5-2ZS

Dimensions

d		2.5	mm
D		7	mm
B		3.5	mm
d₁	≈	3.85	mm
D₂	≈	6.2	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	3.7	mm
d_a	max.	3.8	mm
D_a	max.	6.2	mm
r_a	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	0.221	kN
Basic static load rating	C₀	0.067	kN
Fatigue load limit	P_u	0.003	kN
Reference speed		160000	r/min
Limiting speed		80000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	6.6

Mass

Mass bearing

0.00061

Model Number: W 639/2.5-2ZS
Inner Diameter：2.5mm Outer Diameter：7mm Width：3.5mm
Reference speed:80000 r/min Limiting speed:160000 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:industrial equipment,heating fans,office equipment,plastic molding,Insect Capture,vacuum filter,large agricultural machinery,key lock,orthodontic material,gear type,disposable
Similar models:W 639/3 R-2Z W 639/3-2Z W 639 W 639/3 R-2RS1 W 639/1.5 R-2Z W 639-2RZ W 639/2-2Z 316639 AG W 639/2 R-2Z W 639/1.5-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W639/2.5-2ZS products，there is large inventory of SKF W 639/2.5-2ZS Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 639/2.5-2ZS Which SKF W639/2.5-2ZS 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
190 VL R	171	-	-	Seals
21234	53.975	79.38	11.13	Seals
401506	135	-	-	Seals
6305-RSH	25	62	17	Bearings, units and housings
7032 CD/HCP4AL	160	240	38	Bearings, units and housings
71902 ACD/P4A	15	28	7	Bearings, units and housings
71922 CD/HCP4A	110	150	20	Bearings, units and housings
920x984x25 HDS2 V	920	984	25	Seals
9700	24.9936	40.54	6.35	Seals
FY 3/4 TF/VA228	19.05	-	37.3	Bearings, units and housings
FYT 1.15/16 TF/VA228	49.213	-	60.6	Bearings, units and housings
NKIS 25	25	47	22	Bearings, units and housings

Purchase the SKF W 639/2.5-2ZS Please fill in the following

Hot number： 13511 240/530 ECAK30/W33 + AOH 240/530 G 240/630 ECJ/W33 7009 CB/HCP4A 7012 ACD/HCP4A 7034 ACD/HCP4A 7044 ACD/P4A 71812 CD/P4 7215 BEGAY FSAF 1520 x 3.5/16 TLC FYTB 504 M NK 100/26 NNF 5038 ADA-2LSV SAF 22228 TLC SAF 23036 KATLC x 6.5/16