Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 638/3 R-2RS1

W 638/3 R-2RS1

Dimensions

d		3	mm
D		7	mm
B		3	mm
d₂	≈	3.85	mm
D₂	≈	6.35	mm
D₃		8.1	mm
C		0.8	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	3.7	mm
d_a	max.	3.8	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.178	kN
Basic static load rating	C₀	0.057	kN
Fatigue load limit	P_u	0.002	kN
Reference speed		0	r/min
Limiting speed		45000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.1

Mass

Mass bearing

0.00051

Model Number: W 638/3 R-2RS1
Inner Diameter：3mm Outer Diameter：7mm Width：3mm
Reference speed:45000 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：2026-04-16
Application:Handling machinery and various industrial machinery,Control,roller lathe,Reflective Materials Industrial fabrics,machine tool spindle,natural instruments,gantry processing,enzyme,building decoration raw materials and accessories,drawing die,lifting upgrade
Similar models:W 638 W 63805-2RS1 638-2RZ W 638/1.5 R-2Z W 63802 R W 63806-2RS1 W 63802 R-2Z W 638-2RZ W 63804 R W 63803-2Z
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