Help Me Diagnose my AEG Tumble Dryer [w/ videos]

Help Me Diagnose my AEG Tumble Dryer [w/ videos]

Got an AEG T57810 Lavatherm condenser tumble dryer that started making a pronounced high-pitched noise during operation. Having some trouble diagnosing exactly which part it is that needs some TLC/replacement. Here's a video with the side-panel off:

ANSWERS: