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

W 638/5-2RZ

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 638/5-2RZ
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:sucker industry,chromatography,Optical Instruments,laser devices,marine test,chemical,turret industry,Plastic Equipment,coal mill,ventilation heating equipment,Textile Accessories
Similar models:W 63802 R W 638/5-2RZ W 638/4 X-2RZ SAF 22638 x 6.13/16 TLC W 63800-2RZ W 638/2 R-2Z W 638/2 X-2Z W 638/2 XR-2Z SAF 22638 x 7 W 63806
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