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：2026-04-16
Application:non-motor vehicle Electric car,sterilizers,squeeze machine etc,Industrial,packing equipment,municipal machinery,screen filter,Machine Tool Accessories,small appliances,pneumatic,tapered grinder
Similar models:W 63801 SAF 22638 x 7 W 638/4 R-2Z W 638/1.5 R-2Z SAF 22638 T W 63803 R W 63803-2Z SAF 22638 TLC W 63802-2Z W 63800 R
BEARING POWER International Trading Co.,Ltd. specialize in 638/8-2Z products，there is large inventory of SKF 638/8-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 638/8-2Z Which SKF 638/8-2Z 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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BEAS 025057-2RS	25	57	28	Bearings, units and housings
D/W R166 R	4.762	9.525	3.175	Bearings, units and housings
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PCZ 2228 E	34.925	38.89375	44.45	Bearings, units and housings
SAF 1222 T	110	-	-	Bearings, units and housings
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SONL 218-518	80.9625	-	-	Bearings, units and housings

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