| 摘要 |
<p>Clutch release bearing of the type comprising a roller-contact bearing (1) equipped with external (5) and internal (2) rings, the external ring (5) being adapted so as to come into permanent contact with a clutch member (7), a guide bush (10) being capable of sliding axially with respect to a guide tube (12) under the action of a control member (15) and self-centring elastic means between the roller-contact bearing (1) and the guide bush (10), characterised in that an auxiliary alignment ring (19) is mounted in the bore of the internal ring (2) of the roller-contact bearing on the side of the clutch member (7), in axial contact on the one hand with a collar (4) of the said internal ring (2), directed towards the axis of the release bearing and, on the other hand, with the front end of the guide bush (10), the said alignment ring having a plane self-centring radial face and a spherical angular deflection face. <IMAGE></p> |
