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

W 638/5-2Z

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 638/5-2Z
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：2025-12-09
Application:agricultural testing and analysis equipment and related,ship special,Spectral Products,forklift industry,Machine Tool Accessories,generator,Broadcasting System,Dental Drill etc,ultra-quiet generators,Oral Image,plastic blow molding
Similar models:W 63805-2RZ W 638/4-2RZ SAF 22638 x 6.7/8 W 63805 R-2Z W 638/4 XR-2Z W 63802-2Z W 638/4 X-2RS1 W 638/3 R-2Z W 638/2-2Z W 63801 R-2Z
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Model No.	Inner Diameter	Outer Diameter	Width	Type
10 VA V	9	-	-	Seals
17x32x7 HMSA10 V	17	32	7	Seals
21314 EK	70	150	35	Bearings, units and housings
590270	231.775	269.88	17.48	Seals
6013-RS1	65	100	18	Bearings, units and housings
60x72x8 HMS5 V	60	72	8	Seals
71801 CD/P4	12	21	5	Bearings, units and housings
71906 CE/HCP4AH	30	47	9	Bearings, units and housings
75x100x12 HMSA10 RG	75	100	12	Seals
FY 1.7/16 WDW	36.513	-	-	Bearings, units and housings
PCZ 1208 M	19.05	22.225	12.7	Bearings, units and housings
W 61900 R	10	22	6	Bearings, units and housings

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