idler We can design all kinds of conveyor idler. Stainless steel,carbon steel,pvc,rubber,HDPE etc. Coal,iron ore,port etc. idlerFree roller,Tapered roller,Grooved roller,Sprocket roller,Drive taper roller,Accumulating roller etc.Roller DiaShaftDiaTube ThicknessRoller LengthTube structureSurface treatmentErecting structureΦ16Φ61.2,1.550-1500PVC,Coat rubber,Carbon steel ,Stainless steel , Aluminium ...