... .5.Application: automotive, machinery, mining industry, port.6.Size range: roller model:TK,DT,TD75bearing model:6204 6205 6305 6306 6307 ... ; 5. Manufacturing by steel pipe specially for of high precision roller, ensuring the strong load,low shaking and less noise.Our ... as follow : 1.Conveyor idler for belt conveyor machinery 2.impact idler,3.trough idle4.idler group with frame5.idler frame6 ...