... , DIN22107, ISO1537, GB10595 Certificate ISO, CE Type conveyor DTII, TD75Bearing NO 6204/6205//6306/6307/6308 etcMaterial ... South America, Africa, Southeast Asia. Etc. 2. Conveyor Roller inner structure and material: Roller inner structure and ... Idler Dia mm5063.57689102108114127133139.8152.4159165.2177.8190.7194219length190mm3500mm4. conveyor roller Advantages: Life time: more than 30000 hours ...