Single 1-1/4 in. Nylon Roller Assembly, Diecast Plain Back Housing (Single Pack)

This is an diecast plain back patio door roller assembly with a 1-1/4 in. concave Plastic ball bearing roller used by Trimview and a variety of patio door manufacturers. It's diecast plain back housing is 11/16 in. wide, 1 in. tall and 2-5/8 in. long. The adjustment screw is in the back end. There is a 1/4-20 threaded mounting hole in the back end.