The clutch plate is linked to the gearbox shaft. Once the clutch is engaged, the stress plate is pushed clear of the clutch plate and for that reason disengaged.  Since the diaphragm is rotating (as it's linked to the stress plate, that's linked to the flywheel) the release bearing's job https://remingtonyqeqa.frewwebs.com/33576251/the-2-minute-rule-for-clutch-plate