STL Roller Assembly

Single 1-1/4 in. Steel Roller Assembly, Ball Bearing, Plain Back. This is a plain back patio door roller assembly with a 1-1/4 in. concave or grooved steel ball bearing roller. It has a plain back housing that is 21/32 in. wide with a 3/4 in. flare and 1-1/8 in. tall. It is rear adjusting with a threaded mounting hole on the back end. It is used by Crossly and a variety of other manufacturers of patio doors.