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

W 638/2 X-2Z

Dimensions

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

Abutment dimensions

d_a	min.	2.6	mm
d_a	max.	2.6	mm
D_a	max.	4.5	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 X-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：2026-04-17
Application:Industrial,electrocardiograph,Liposuction device,municipal machinery,Industrial,survey accessories,Machine tools,food / grain / food equipment,dye pigments,tire industry,Display Devices
Similar models:W 63802-2Z W 63806-2RZ W 63801-2RZ W 638/4 XR-2RS1 W 638/4 X-2RS1 SAF 22638 x 6.13/16 T W 63803-2RZ W 63800 R W 638/1.5 R-2Z W 638/1
BEARING POWER International Trading Co.,Ltd. specialize in W638/2X-2Z products，there is large inventory of SKF W 638/2 X-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 X-2Z Which SKF W638/2X-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
100x125x12 CRW1 V	100	125	12	Seals
19979	50.8	76.12	9.53	Seals
31870	80.9752	117.5	11.13	Seals
450 VE R	439	-	-	Seals
N 1016 KTNHA/HC5SP	80	125	22	Bearings, units and housings
KRV 26 PPA	-	26	36	Bearings, units and housings
NKIB 5913	65	90	34	Bearings, units and housings
NNU 4176 M	380	620	243	Bearings, units and housings
OKC 140	140		-
S71908 ACB/HCP4A	40	62	12	Bearings, units and housings
SAF 23048 KAT x 8.15/16	215.9	-	-	Bearings, units and housings
SSAFS 22544 x 8 T	203.2	-	-	Bearings, units and housings

Purchase the SKF W 638/2 X-2Z Please fill in the following

Hot number： 23168 CCK/W33 + AOH 3168 G 2212 E-2RS1KTN9 419000 6371 63x90x10 HMS5 V 72x140x12 HMSA10 RG BT4B 332824/HA1 GS 81115 K 81230 M MBL 32 NU 1064 MP OKCX 530 PF 30 FM SYNT 50 LW SYWK 1. YTH