A drive element (50) for a gearing, in particular a coaxial gearing, with teeth, which are guided radially in a tooth carrier and displaceably, and which are mounted with their tooth roots on pivoting segments and engage with their toothed teeth in a toothing system, the drive element (50, 150) comprising a cam disk (22), which is arranged in the region of the cam disk (20), is provided with a profiling (22) for supporting rolling bodies on which the pivoting segments are displaceably mounted in the circumferential direction Bearing portion (46) is provided.