Patent ID: 8398327

Claim:
A shaft-hub connection comprising: a hub having a multi-step bore comprising a first step of diameter d 1 and a second step of diameter d 2 wherein diameter d 2 is greater than diameter d 1 ; and a pinion having a centering bolt portion and a partial section portion, said partial section portion having a helically toothed running toothing and a circumferential cut bevel having an undercut angle, said centering bolt portion is received in the first step and the circumferential cut bevel is cut into an interior surface of the second step defining diameter d 2 to positively lock the hub to the pinion, wherein the circumferential cut bevel is undercut with respect to an end ring surface with an angle of <15°, a first elliptical shaped indent is provided between the partial section of the helically toothed running toothing of the pinion and the rest of the running toothing of the pinion and a second elliptical shaped indent is provided between the partial section and the centering bolt wherein the first and second indents relieve any possible notch stresses.