Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/1.5-2Z

W 638/1.5-2Z

Dimensions

d		1.5	mm
D		4	mm
B		2	mm
d₁	≈	2.15	mm
D₂	≈	3.5	mm
r_1,2	min.	0.05	mm

Abutment dimensions

d_a	min.	1.9	mm
d_a	max.	2.1	mm
D_a	max.	3.6	mm
r_a	max.	0.05	mm

Calculation data

Basic dynamic load rating	C	0.062	kN
Basic static load rating	C₀	0.016	kN
Fatigue load limit	P_u	0.001	kN
Reference speed		220000	r/min
Limiting speed		110000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	6.4

Mass

Mass bearing

0.0001

Model Number: W 638/1.5-2Z
Inner Diameter：1.5mm Outer Diameter：4mm Width：2mm
Reference speed:110000 r/min Limiting speed:220000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-07-31
Application:safety testing,garden machinery,agricultural testing and analysis equipment and related,Machine Tool Accessories,Machine tool accessories,Animal Tracking,test laboratory equipment and accessories,medical equipment,Plastic molding,Spectrum Products,mobile toilet
Similar models:W 638/5 R-2RS1 W 63801-2RZ W 638/4 X-2Z W 63805-2RZ W 638/8-2Z SAF 22638 x 7 T W 638/5-2RZ SAF 22638 x 6.7/8 W 638/4 R-2RS1 W 63806-2Z
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Model No. Inner Diameter Outer Diameter Width Type

22336 CC/W33
24287
418003
7009 CE/P4AH1
SSAFS 22534 x 6

Purchase the SKF W 638/1.5-2Z Please fill in the following

Hot number： 51207 V/HR11Q1 87923 95x120x12 CRW1 R 95x170x13 HMS5 V BK 0306 TN HA 3128 L OKCX 570 P 80 R-35 RM PWM 120135150 SNL 3040 ATURT SAFS 22516 x 2.3/4 TLC SAW 23538 x 6.7/8 STO 20 X SYE 2 15/16 SYJ 30 KF

Model No.	Inner Diameter	Outer Diameter	Width	Type
22336 CC/W33
24287
418003
7009 CE/P4AH1
SSAFS 22534 x 6