Nilfisk GU355 and GU455 Upright Commercial Vacuum Cleaner Brush Bearing Cover
Nilfisk GU355 Dual commercial upright vacuum cleaner and the Nilfisk GU455 Dual upright commercial vacuum cleaner commercial upright vacuum cleaner non-drive pinion bearing, for the roller-brush.
It's on the front right hand side, when viewed from the operating position, and when removed allows access to remove the roller brush. It will also suit the Advance Spectrum.
At the moment, standard postage is capped at a maximum of $25 within Australia, so maximise the saving on postage and buy something in the related parts below!