... saving low energy usage and an environmentally friendly product.HDPE Roller ComponentsAvailable in the following diameter Shell DiameterShaft Diameter at the ... ,quarrying,zinc mining,grain.Roller Diameters: 89mm,102mm,108mm,114mm,127mm,133mm,140mm,152mm,159mm,165mm. (other sizes available on request)Shaft ... ,NTN.LYC (other brands available on request). Power Saving HDPE Roller