A camshaft includes a carrier shaft to be mounted rotatably along a shaft axis and at least one cam pack or package axially displaceably disposed on the carrier shaft. The cam pack includes at least two cams and at least one adjusting member for axial adjustment of the cam pack. The cams and the at least one adjusting member are connected to one another in an axially adjacent configuration and can be mounted axially displaceably as a composite structure in a direct configuration on the carrier shaft by a rolling element guide with rolling elements. A cam pack or package and a method for producing a camshaft are also provided.