Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/5-2RZ

W 638/5-2RZ

Dimensions

d		5	mm
D		11	mm
B		5	mm
d₂	≈	6.2	mm
D₂	≈	9.9	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	5.9	mm
d_a	max.	6.1	mm
D_a	max.	10	mm
r_a	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	0.403	kN
Basic static load rating	C₀	0.143	kN
Fatigue load limit	P_u	0.006	kN
Reference speed		120000	r/min
Limiting speed		60000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.1

Mass

Mass bearing

0.0018

Model Number: W 638/5-2RZ
Inner Diameter：5mm Outer Diameter：11mm Width：5mm
Reference speed:60000 r/min Limiting speed:120000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-06-24
Application:industrial fans,pump industry,Generator,machine tool spindle,non-motor vehicle Electric car,rehabilitation training equipment,food sterilization,Broadcasting System,product accessories,Broadcasting System,hardware
Similar models:W 638/4-2RZ W 63801-2RZ SAF 22638 x 6.13/16 T W 638/2.5 R-2Z 638-RZ W 638/5-2RS1 638/8-2Z W 63805 R W 63802-2Z SAF 22638
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Model No. Inner Diameter Outer Diameter Width Type

22425
265x310x16 HDS1 R
52412 M
629-2RSH
NA 6902

Purchase the SKF W 638/5-2RZ Please fill in the following

Hot number： 23188 CA/W33 30x50x8 HMS5 V 42x55x8 HMSA10 RG 45x75x10 HMSA10 RG 65x80x8 CRW1 V 87241 HE 3028 E K 19x23x13 OKTC 425 S71919 CB/HCP4A SAF 22536 TLC SAF 23036 KATLC x 6.1/2 SY 50 WF SYE 1 11/16-18 W 607-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
22425
265x310x16 HDS1 R
52412 M
629-2RSH
NA 6902