Patent ID: 8740472

Claim:
A suspension thrust bearing device for a motor vehicle comprising: a rolling bearing forming a thrust bearing and provided with an upper ring, with a lower ring and with at least one row of rolling elements arranged between the rings, a bearing cap in contact with the upper ring, and a support cap in contact with the lower ring and forming a bearing assembly for a suspension spring, and wherein at least one of said caps having a body made of synthetic material and an insert covered at least in part by said body, and wherein the insert comprises stiffening ribs in order to reinforce the mechanical strength of said cap with respect to axial loads resulting from forces exerted by at least one of the suspension spring and by a shock-absorbing pad designed to bear against the support cap, and wherein the insert comprises a radial portion, and wherein the insert comprises an axial portion extending axially from the radial portion, and wherein the stiffening ribs extend radially inwardly from the axial portion of said insert in order to reinforce the mechanical strength of the cap with respect to the forces resulting from the shock-absorbing pad.