sus roller Hdpe,stainless steel,carbon steel idlers. loading idlers,returning Idlers,auot-aligned Idlers rollerFree conveyor roller,Tapered conveyor roller,Grooved conveyor roller,Sprocket conveyor roller,Drive taper conveyor roller. Accumulating conveyor roller etc. Roller DiaShaftDiaTube ThicknessRoller LengthTube structureSurface treatmentErecting structureΦ16Φ61.2,1.550-1500PVC,Coat rubber, ...