| 摘要 |
A clutch release bearing comprising a fixed portion (5, 6) including an inner support tube (6) and an outer body (5) concentric therewith which define an axially extending blind ring-shaped cavity (50) capable of being supplied with a fluid and housing an axially movable tubular piston (4) supporting a drive member (3) engageable with the diaphragm (13) of the clutch (1), wherein the support tube (6) axially projects beyond the outer body (5). The front end of the support tube (6) is surrounded by a guide sleeve (9) for the piston (4). Said bearing is useful in motor vehicles.
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