An endless conveyor chain assembly (10) includes two piece enclosed curved track sections (15) having curved sections (15) for the passage therethrough of a series of conveyor chain links (12). Outer race (18) of the curved track sections (15) include an impervious horizontal bottom wall (22) that is U-shaped in cross section for retaining any lubricants or other liquids or debris. Inner race (20) with a wear strip (44) attached thereto is removable from the outer race (18) without having to cut the curved conveyor track sections (15) from the track and without having to remove the conveyor chain from the track when performing maintenance to the conveyor chain assembly.