roller Hdpe,stainless steel,carbon steel idlers. loading idlers,returning Idlers,auot-aligned ... -1500PVC,Coat rubber,Carbon steel ,Stainless steel , Aluminium alloy galvanization\chromeplate\skin glue\plastic\injectiona.spring shaftb.mandrel shaftc.inside thread shaftd ... Φ25,303.5,4.0100-1500 Coat rubber,Carbon steel ,Stainless steel , Φ127Φ30,354.0,4.5200-1500Φ152Φ35 ...