Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/2 XR-2Z

W 638/2 XR-2Z

Dimensions

d		2	mm
D		5	mm
B		2.5	mm
d₁	≈	2.7	mm
D₂	≈	4.4	mm
D₃		6.2	mm
C		0.6	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	2.6	mm
d_a	max.	2.6	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.094	kN
Basic static load rating	C₀	0.025	kN
Fatigue load limit	P_u	0.001	kN
Reference speed		200000	r/min
Limiting speed		100000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	6.5

Mass

Mass bearing

0.0002

Model Number: W 638/2 XR-2Z
Inner Diameter：2mm Outer Diameter：5mm Width：2.5mm
Reference speed:100000 r/min Limiting speed:200000 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:shaft milling machine,Switch,test equipment,mobile toilet,chamfer,fabric products,Broadcasting System,Chromatography Products,chamfering machine etc,rolling mill roll neck and slowdown device,Low-voltage electrical equipment
Similar models:W 638/2.5 R-2Z 638/8-2Z W 63805 W 63803-2Z W 63803 R SAF 22638 x 6.13/16 TLC W 63805 R-2Z W 63800 R W 63800-2RS1 W 63800-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W638/2XR-2Z products，there is large inventory of SKF W 638/2 XR-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/2 XR-2Z Which SKF W638/2XR-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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725 VA V	670	-	-	Seals
BTM 75 BTN9/P4CDB	75	115	36	Bearings, units and housings
GEZ 204 ES	57.15	90.488	50.013	Bearings, units and housings
KMFE 36	34	-	180	Bearings, units and housings
NATV 25 PPXA	25	52	25	Bearings, units and housings
PSM 304045 A51	30	40	45	Bearings, units and housings
SAF 1617 x 2.13/16 T	71.4375	-	-	Bearings, units and housings
SY 3/4 TF/VA201	19.05	-	-	Bearings, units and housings

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Hot number： 12369 22318 EJA/VA405 22x47x7 HMSA10 V 6012-2RS1 6205-2RSH 71911 CE/HCP4AL 8632 FNL 512 A HJ 1080 NJ 1052 ML PCMS 1005002.5 M PFD 35 TF PSM 253225 A51 SAF 1316 TLC SAF 23026 KAT x 4.3/8