Shaftless screw conveyor are made up of : U shape shell , cover ,shaftless flight, end plate ,bearings and motor &gearbox .Screw diameter ranges from 200mm to 360mm,length from 3349mm to 11500mm. The bottom liner is made of UHMVVPE （white),15mm thick. Capacity is ranging from 1.7m3/hr to 7m3/hr. Shaftless screw conveyor are used to transport sludge which is very sticky.
U shape shell : 
Cover : 
Shaftless flight : 
End plate : 
Bearings : 
Bearings are assembled on shaftless screw conveyors .
Motor &gearbox :
usually are installed at the feeding point.
https://www.wxconveyor.com