Sealing ring for needle bearings, in particular for universal joint spiders

摘要

The present invention relates to a sealing ring for needle bearings, in particular for universal joint spiders. The sealing ring consists of an annularly extending body which is provided, near one of its ends, with an edge which can be engaged in an axial end of the external ring of a needle bearing. The said body has a sealing portion which extends towards its axis so as to come into contact with a shaft section inserted inside the bearing. At least this sealing portion is made of resiliently deformable material and its surface, which is intended to come into contact with the shaft, has a concave shape with its concavity directed towards the axis of the sealing ring. IMAGE