Mounting of a bearing with rolling bodies (13) located between an outer race (14) and an inner race (15) on a shaft (16) in which the inner race (15) is carried by an intermediate bush (17) integral with the said shaft (16), characterised in that the bush (17) has a domed outer surface the top of which is in contact with the inner surface (15i) of the inner race (15) of the bearing and inner bearing surfaces (20, 21) which are locally immobilised in contact with the shaft (16). <IMAGE>
