| 摘要 |
The suspension thrust bearing device for a motor vehicle comprises a rolling bearing 22 forming an axial 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 18 in contact with the upper ring, and a support cap 20 in contact with the lower ring and forming a bearing means for a suspension spring. The support cap 20 comprises a body 32 of rigid material and seals 46, 48 of flexible material fixed to the body and comprising dynamic sealing lips 56, 62 in frictional contact with the bearing cap or one of the rings of the rolling bearing and delimiting radially a sealed space 64 containing at least the rolling elements of the rolling bearing. The support cap 20 further comprises an annular ring 50 to which the lower ends of the seals are connected and forming a bearing surface 50a for the suspension spring. |
