Provided are a cable bead manufactured using single welding and a method of manufacturing the cable bead. The method comprising manufacturing a core wire and stranding a twist cable by twisting a layer wire around an outer circumferential surface of the core wire; butt-welding both end portions of the twist cable; primarily and secondarily heat-treating the butt-welded twist cable; and grinding or cutting a butt-welded portion such that a diameter of the welded portion is greater than about 100% of and less than about 110% of a diameter of the twist cable.