... 60 to 219mm Length: 150mm to 3000mm belt width: 500mm to 2800mm Belt Conveyor Roller StandardDIN15207, DIN22107, ISO1537, ... east, South America, Africa, Southeast Asia. Etc.Belt Conveyor RollerNO.Standard DiameterLength Scope (mm)Bearings Type ... used in the steel industry, harbor, coal industry, power industry, cement industry, etcTubeQ235Shaft45# STEELBearingSingle & Double Row Deep ...