Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638-2RS1

W 638-2RS1

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		0	r/min
Limiting speed		19000	r/min
Calculation factor	k_r	0.035
Calculation factor	f₀	12.4

Mass

Mass bearing

0.028

Model Number: W 638-2RS1
Inner Diameter：8mm Outer Diameter：28mm Width：9mm
Reference speed:19000 r/min Limiting speed:0 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-19
Application:metallurgical mold,pipe fittings Steel industry,food sterilization,motorcycle,intermediate,rehabilitation training equipment,plastic molding,spreader series,Flame Cutting,floor industry,other rubber
Similar models:W 638/1 W 63801-2RS1 W 63800 W 638-2RS1 638/8-2Z W 63800 R-2RS1 W 63801-2Z SAF 22638 T W 638/9-2Z W 63800 R
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Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-23292 CAK/W33-AOHX 3292 G	440	830	296	Bearings, units and housings
350 VL R	315	-	-	Seals
618/1600 MB	1600	1950	155	Bearings, units and housings
BD-C 2314 K-H 2314	60	150	51	Bearings, units and housings
FYJ 518	-	-	-	Bearings, units and housings
GEC 480 TXA-2RS	480	650	195	Bearings, units and housings
HA 2326 L	112.7125	155	121	Bearings, units and housings
HM 30/530	68	-	530	Bearings, units and housings
N 068	45.4914	-	338.8106	Bearings, units and housings
NJ 307 ECM	35	80	21	Bearings, units and housings
SAF 1313 TLC	65	-	-	Bearings, units and housings
XHCE 055/OK 140	140	425	-	Coupling systems

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