an assembly having a shaft with external splining of a limited length at a shaft end , and a hub with a corresponding internal splining that extends essentially the length of the hub . a first axial securing mechanism functions between the shaft and hub , prevents the hub from sliding further onto the shaft , and includes a stop surface on the hub and a counterpart surface on the shaft . a second axial securing mechanism functions between the shaft and hub , prevents the hub from being pulled off from the shaft , and includes a securing ring that is situated at the end of the shaft and the end of the hub oriented toward the shaft end and that engages in radial recesses in the shaft and hub . the recesses form contact surfaces for the securing ring on the shaft and hub .