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

W 638-2RZ

Dimensions

d		8	mm
D		28	mm
B		9	mm
d₂	≈	13.9	mm
D₂	≈	22.38	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	10	mm
d_a	max.	13.8	mm
D_a	max.	26	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	3.97	kN
Basic static load rating	C₀	1.96	kN
Fatigue load limit	P_u	0.083	kN
Reference speed		67000	r/min
Limiting speed		32000	r/min
Calculation factor	k_r	0.035
Calculation factor	f₀	12.4

Mass

Mass bearing

0.028

Model Number: W 638-2RZ
Inner Diameter：8mm Outer Diameter：28mm Width：9mm
Reference speed:32000 r/min Limiting speed:67000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2024-12-13
Application:spreader series,plastic molding,test equipment,PVC,defogging and degreasing,Low-voltage electrical equipment,car shock absorber,power tools,hydraulic cylinder buffer,boring bar boring bar,electronic materials
Similar models:638/4-2Z SAF 22638 x 7 W 63803 W 63802 R-2Z W 63803-2RS1 W 638/2 X-2Z SAF 22638 x 7 T W 63802-2RS1 W 63805-2RS1 W 63804-2RZ
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OKC 190	190		-
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Hot number： 120 VA R 21763 23060 CC/W33 32209/DF 413506 7014 CB/P4AL 71910 ACB/HCP4AL 99587 BC4B 319862 FYNT 90 F NJ 311 ECP SAF 22317 TLC SY 50 TR W 61800 R-2RZ Z 308 F