... , good quality and attractive price. 2 effective sealing system. 3 high ability of anti-friction. Stainless Steel Transmission Roller Parameters: Diameter ... ,380,455,465,525,600,950,1150Bearings No.6204620462046204Description:The roller is an important part of a belt ... used in such as mining industry,iron and steel,cement,smelting,power,chemistry,construction material,port activities,etc.Features ...