Hub unit with wheel support and bearing ring, and method of manufacturing the hub unit

A raceway member 6 of a wheel support hub unit, having wheel or vehicle body fixing portions 7 extending radially outward from a solid or hollow shaft portion, and a wheel or vehicle body positioning cylindrical portion 9 extending concentrically with the shaft portion, the fixing portion 7 being formed by the cold side extrusion so that the fixing portion is integral with the shaft portion 5.