Conveyor roller idler is an important component in conveyor systems, designed to support and guide the conveyor belt along its length. They consist of one or more rollers which are supported or suspended by appropriate frames and transoms.

Conveyor roller is an important part of the belt conveyor. There are many types and large quantities of rollers, which can support the weight of the conveyor belt and the material been conveyed. The roller accounts for 35% of the total cost of a belt conveyor and generates more than 70% resistance, and plays a key role to extend the life of the conveyor belt, so the quality of the roller is particularly important.