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：2026-04-16
Application:plant determination,Industry,electric pump,Die,paper processing machine,Food testing,Cylinder Standard,plastic molding,lifting upgrade,Pneumatic Control Valves,DC generators
Similar models:W 638/4 X-2RS1 W 63800-2Z W 63801 R-2Z W 63801-2RZ W 63803-2Z W 63803 W 638/4 X-2RZ SAF 22638 x 6.7/8 TLC W 638/5-2Z W 63806 R-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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
20x52x7 HMS5 RG	20	52	7	Seals
43x62x10 CRSH1 R	43	62	10	Seals
471476	1397	-	-	Seals
6010 NR	50	80	16	Bearings, units and housings
6310-2RS1/HC5C3WT	50	110	27	Bearings, units and housings
71811 CD/P4	55	72	9	Bearings, units and housings
71915 CB/HCP4AL	75	105	16	Bearings, units and housings
81211 TN	55	90	25	Bearings, units and housings
AOH 24060 G	280	300	184	Bearings, units and housings
HE 216	69.85	105	46	Bearings, units and housings
SAF 22524 x 4.1/8 T	104.775	-	-	Bearings, units and housings
SSAFS 22534 x 5.13/16	147.6375	-	-	Bearings, units and housings

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