A conveyor system includes a conveyor assembly. The conveyor assembly includes a conveyor module, a power module, and a chassis supporting the conveyor module and the power module. The conveyor module includes a roller rotatable about an axis and a conveyor belt shiftable in response to rotation of the roller. The power module provides rotational power to the roller. The power module includes a power assembly and a drive configured to transmit rotational power to the roller from the power assembly. The power assembly includes a power source and a housing at least substantially surrounding the power source. The chassis integrally forms a portion of the housing.

A conveyor system includes a conveyor assembly. The conveyor assembly includes a conveyor module, a power module, and a chassis supporting the conveyor module and the power module. The conveyor module includes a roller rotatable about an axis and a conveyor belt shiftable in response to rotation of the roller. The power module provides rotational power to the roller. The power module includes a power assembly and a drive configured to transmit rotational power to the roller from the power assembly. The power assembly includes a power source and a housing at least substantially surrounding the power source. The chassis integrally forms a portion of the housing.

A belt conveyor system including an elongate housing having at least one troughing idler assembly disposed therein. The troughing idler assembly includes a center medial roller and a plurality of side rollers. Each of the rollers includes a shaft having ends supported by at least one bearing having a first face and a second face. The bearings supporting the side rollers are mounted to an exterior of the elongate housing in such a manner that the first face and the second face of at least one of the bearings are visible.

A belt conveyor system including an elongate housing having at least one troughing idler assembly disposed therein. The troughing idler assembly includes a center medial roller and a plurality of side rollers. Each of the rollers includes a shaft having ends supported by at least one bearing having a first face and a second face. The bearings supporting the side rollers are mounted to an exterior of the elongate housing in such a manner that the first face and the second face of at least one of the bearings are visible.