conveyor roller 1, both end bearing manufactured inside our company 2, roller diameter from 19 to 150mm conveyor roller, steel roller1, roller material: aluminum, steel, galvanized tube, stainless, PVC, rubber coated2, roller diameter: from 19mm to 150mm3, we have BS(basical roller), SK(sporcketed roller), RC(rubber coated roller), TP(tapper roller), ID(idle roller), BD(belt driven) seirespacking ...