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

W 638/8 R-2Z

Dimensions

d		8	mm
D		16	mm
B		6	mm
d₂	≈	9.65	mm
D₂	≈	14.2	mm
D₃		18	mm
C		1.3	mm
r_1,2	min.	0.2	mm

Abutment dimensions

d_a	min.	9.5	mm
d_a	max.	9.6	mm
r_a	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	0.715	kN
Basic static load rating	C₀	0.3	kN
Fatigue load limit	P_u	0.012	kN
Reference speed		90000	r/min
Limiting speed		45000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.5

Mass

Mass bearing

0.0051

Model Number: W 638/8 R-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：2025-12-09
Application:food testing,Other machinery,molding machine,reinforced machinery,meat products machine,historical instruments,Cylinder Type,wheel lathe,DC generators,baler,lifting tackle
Similar models:W 638 W 63800 R-2Z SAF 22638 W 63802-2Z W 63804-2Z 638/4-2Z W 63805 R W 63800 R-2RS1 W 638/3-2Z W 63803-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W638/8R-2Z products，there is large inventory of SKF W 638/8 R-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 638/8 R-2Z Which SKF W638/8R-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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