Patent ID: 8226301

Claim:
A suspension thrust bearing device comprising: a rolling bearing forming an axial thrust bearing, a lower support cap of the rolling bearing that is provided with a body made of synthetic material having an axial bore, a vibration-filtering element mounted on the body of the lower support cap, the vibration-filtering element being made of flexible plastic material to filter the vibrations of a suspension spring, and wherein the vibration-filtering element comprises: a radial portion forming a bearing surface for an upper end of the suspension spring; a first annular lip extending substantially radially outwardly from the bearing surface of the radial portion and beyond the upper end of the suspension spring and the body of the lower support cap, said annular lip extending entirely around the periphery of said body of the lower support cap and said upper end of the suspension spring and being designed to form a flow deflector for reducing any ingress of water inside the rolling bearing; a cup provided within the axial bore of the body of the lower support cap; and a second annular lip arranged on an internal edge of the vibration-filtering element and extending radially inwards in the direction of the cup so as to form a gap seal for reducing any ingress of polluting elements inside a radial gap defined between the axial bore of the lower support cap and the cup.