Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 638/8-2Z

638/8-2Z

Dimensions

d		8	mm
D		16	mm
B		6	mm
d₂	≈	9.65	mm
D₂	≈	14.2	mm
r_1,2	min.	0.2	mm

Abutment dimensions

d_a	min.	9.4	mm
d_a	max.	9.5	mm
D_a	max.	14.6	mm
r_a	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	1.33	kN
Basic static load rating	C₀	0.57	kN
Fatigue load limit	P_u	0.024	kN
Reference speed		90000	r/min
Limiting speed		45000	r/min
Calculation factor	k_r	0.015
Calculation factor	f₀	11

Mass

Mass bearing

0.0043

Model Number: 638/8-2Z
Inner Diameter：8mm Outer Diameter：16mm Width：6mm
Reference speed:45000 r/min Limiting speed:90000 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:Medium and large motor,engineering machinery,medical equipment,instrument,Gas turbine,hydraulic actuator,Laser Measurements,Infrared Technology,Textile Industry Accessories and Accessories,metal mold,switch
Similar models:W 638/4 X-2RS1 W 638/9-2Z W 63805-2RZ SAF 22638 x 6.13/16 T W 638/3-2RS1 SAF 22638 W 63803-2RZ W 638/2-2Z W 63801-2RZ SAF 22638 x 7 T
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