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

W 639/2.5 R-2ZS

Dimensions

d		2.5	mm
D		7	mm
B		3.5	mm
d₁	≈	3.85	mm
D₂	≈	6.2	mm
D₃		8.5	mm
C		0.9	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	3.7	mm
d_a	max.	3.8	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

0.00071

Model Number: W 639/2.5 R-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：2026-04-16
Application:Hydraulic Press,impression material,Hydraulic Rama,welding equipment,joint protection,historical instruments,Cylinder Micro,transistor fittings,small appliances,Automation,packing equipment
Similar models:W 639/3 R-2Z W 639/2.5 R-2ZS LL 639249/210 W 639/3 R-2RS1 W 639/2-2Z W 639/3-2Z W 639-2RS1 W 639/1.5-2Z W 639-2RZ W 639/1.5 R-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W639/2.5R-2ZS products，there is large inventory of SKF W 639/2.5 R-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 R-2ZS Which SKF W639/2.5R-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
1550 VL V	1405	-	-	Seals
22x36x7 HMS5 RG	22	36	7	Seals
700x740x20 HDS1 R	700	740	20	Seals
71915 ACD/HCP4AL	75	105	16	Bearings, units and housings
GEC 340 TXA-2RS	340	460	135	Bearings, units and housings
GEZM 100 ES-2LS	25.4	41.275	38.1	Bearings, units and housings
NCF 28/670 V	670	820	88	Bearings, units and housings
OH 39/560 H	530	560	227	Bearings, units and housings
OKC 780	780		-
S71917 CD/HCP4A	85	120	18	Bearings, units and housings
SILA 80 TXE-2LS	80	-	55	Bearings, units and housings
SSAFS 23044 KA x 7.7/8	200.025	-	-	Bearings, units and housings

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

Hot number： BD-21309 EK-AH 309 314756 40x52x6 HMS5 RG 6012-RS1 7211 BECBY 86737 FY 7/8 FM GEH 80 TXE-2LS GS 81226 NF 19/750 ECMB/HA1 PWKRE 52.2RS PWTR 50.2RS QJ 215 N2PHAS SAFS 22517 SNW 30x5.1/8