Canara offers powerised and unpowerised roller conveyors, which are designed based on is 5895 and cema standards. Roller conveyors are line-restricted devices and consist of rollers mounted between two side members. Bearings are usually incorporated in the idlers to cut down the mechanical losses. An unpowered gravity roller conveyor is set at an appropriate incline and goods move down it by gravity. In powered roller conveyor the power unit normally an electric motor drive the rollers via chains or belt, providing controlled movement of goods.