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：2026-04-16
Application:Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,meat products machine,medical equipment,scientific instruments,Sensors,ignition system,Die,tobacco machinery,Hairbrush device,Gas turbine,Machine tools
Similar models:W 63801 R W 638/8 R-2Z W 63802 W 63806-2RZ SAF 22638 x 6.13/16 W 638/2.5 R-2Z W 63800 W 63804-2RZ W 63801-2Z W 638/5 R-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W638/1.5-2Z products，there is large inventory of SKF W 638/1.5-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/1.5-2Z Which SKF W638/1.5-2Z 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
13543	34.925	47.6	4.78	Seals
2470	6.35	14.27	4.78	Seals
567/563	73.025	127	36.512	Bearings, units and housings
7219 CD/HCP4A	95	170	32	Bearings, units and housings
811/500 M	500	600	80	Bearings, units and housings
87319	-	-	25.4	Seals
AOH 30/850	800	850	325	Bearings, units and housings
HE 3036 E	165.1	180	122	Bearings, units and housings
HM 31/600	85	-	600	Bearings, units and housings
MS 3068-64	-	-	24	Bearings, units and housings
NUTR 17 X	17	40	21	Bearings, units and housings
SAW 23244 T	220	-	-	Bearings, units and housings

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