A shaft-hub connection having a hub seat (2), which is provided by the shaft (1), and a hub of a component (5), which is received by the hub seat (2), wherein the hub seat (2) and the hub of the component (5) implement a polygonal connection. In order to provide a shaft-hub connection which is optimized in particular in regard to the force introduction into the shaft, it is proposed by the invention that the hub seat (2) has at least one radial projection (9, 10) in the longitudinal direction (11) of the shaft (1).