Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/1

W 638/1

Dimensions

d		1	mm
D		3	mm
B		1.5	mm
d₁	≈	1.55	mm
D₁	≈	2.46	mm
r_1,2	min.	0.05	mm

Abutment dimensions

d_a	min.	1.4	mm
d_a	max.	1.5	mm
D_a	max.	2.6	mm
r_a	max.	0.05	mm

Calculation data

Basic dynamic load rating	C	0.052	kN
Basic static load rating	C₀	0.012	kN
Fatigue load limit	P_u	0.001	kN
Reference speed		240000	r/min
Limiting speed		150000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	5.6

Mass

Mass bearing

0.00004

Model Number: W 638/1
Inner Diameter：1mm Outer Diameter：3mm Width：1.5mm
Reference speed:150000 r/min Limiting speed:240000 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:position switch,medical equipment,thread processing machine,Spectrum Products,disposable,Garment Accessories,hydraulic control element,Cylinder Type,gas turbine,sterilizers,printing machinery
Similar models:W 63801-2RS1 W 63802 R W 63803-2RS1 W 63803 R W 638/2-2Z W 638/5-2RZ W 638/1 W 63804-2RS1 W 638-2RZ W 63805-2RZ
BEARING POWER International Trading Co.,Ltd. specialize in W638/1 products，there is large inventory of SKF W 638/1 Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/1 Which SKF W638/1 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.

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OKBS 103	103	-	-
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