Abstract: A rolling assembly having a rolling bearing provided with a first ring and with a second ring capable of rotating concentrically relative to one another, and with a plurality of rolling elements disposed between the first and second rings. The assembly further includes a bearing mounting and dismounting device having a supporting shaft to which the first ring of the rolling bearing is mounted, and a sleeve slidably mounted on the supporting shaft between a remote position from the rolling bearing and a close position in which the sleeve is in axial contact with the second ring of the rolling bearing.