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

W 638/2-2Z

Dimensions

d		2	mm
D		5	mm
B		2.3	mm
d₁	≈	2.7	mm
D₂	≈	4.4	mm
r_1,2	min.	0.08	mm

Abutment dimensions

d_a	min.	2.5	mm
d_a	max.	2.6	mm
D_a	max.	4.5	mm
r_a	max.	0.08	mm

Calculation data

Basic dynamic load rating	C	0.094	kN
Basic static load rating	C₀	0.025	kN
Fatigue load limit	P_u	0.001	kN
Reference speed		200000	r/min
Limiting speed		100000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	6.5

Mass

Mass bearing

0.0002

Model Number: W 638/2-2Z
Inner Diameter：2mm Outer Diameter：5mm Width：2.3mm
Reference speed:100000 r/min Limiting speed:200000 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:motor,raw material accessories,plant determination,bathroom facilities,ventilation heating equipment,Medical room equipment,Hairbrush device,non-ferrous metal alloy,Spectrum Products,miscellaneous instruments,Anti-defibrillation pacing
Similar models:W 63804 R W 63804-2RS1 W 63805-2RS1 W 63804-2Z W 63806-2Z W 63800 R W 638/4-2Z W 63806 W 63802 R-2Z SAF 22638 x 7 TLC
BEARING POWER International Trading Co.,Ltd. specialize in W638/2-2Z products，there is large inventory of SKF W 638/2-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/2-2Z Which SKF W638/2-2Z 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.

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