Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/4 XR-2Z

W 638/4 XR-2Z

Dimensions

d		4	mm
D		10	mm
B		4	mm
d₁	≈	5.9	mm
D₂	≈	8.8	mm
D₃		11.6	mm
C		0.8	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	5.6	mm
d_a	max.	5.8	mm
r_a	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	0.553	kN
Basic static load rating	C₀	0.245	kN
Fatigue load limit	P_u	0.011	kN
Reference speed		130000	r/min
Limiting speed		63000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	12.3

Mass

Mass bearing

0.0015

Model Number: W 638/4 XR-2Z
Inner Diameter：4mm Outer Diameter：10mm Width：4mm
Reference speed:63000 r/min Limiting speed:130000 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:root canal filling,Performance test,pressure control valve,diagnostic test paper,gas turbine,Pneumatic Control Valves,Blood coagulation reagent,boring bar boring bar,chamfer,Cylinder Special,comprehensive experiment
Similar models:W 638/4 X-2RZ W 63801 R SAF 22638 x 7 638-RZ W 63803-2RZ SAF 22638 x 6.13/16 T W 638/2 XR-2Z W 638/4-2RZ W 63804 W 63803 R-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W638/4XR-2Z products，there is large inventory of SKF W 638/4 XR-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/4 XR-2Z Which SKF W638/4XR-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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811/500 M	500	600	80	Bearings, units and housings
AS 6590	65	90	1	Bearings, units and housings
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FY 1.1/4 FM	31.75	-	-	Bearings, units and housings
K 22x32x24	22	32	24	Bearings, units and housings
SYJ 35 KF	30	-	-	Bearings, units and housings
WBB1-8704 R	3	9	2.5	Bearings, units and housings

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