1.Light Weight for Power Saving 2.Smooth, Noiseless operation ... , together with a high quality lubricant ensures no entry of dust or water and enhances the ... energy usage and an environmentally friendly product.HDPE Roller ComponentsAvailable in the following diameter Shell DiameterShaft ... gravel,fertilizers,ports,chemicals,quarrying,zinc mining,grain.Roller Diameters: 89mm,102mm,108mm,114mm,127mm,133mm ...