1 in. Steel Ball Bearing Sliding Door Roller Assembly, for King Mirror Single Pack, Prime-Line, Mfr#: D 1753

This is a F-tab patio door roller assembly with a 1 in. concave steel ball bearing roller. When the corner screw passes through the F-tab the assembly is captured by the side stile and bottom rail as the screw draws the two sides together. The housing is 9/16 in. wide with a 3/4 in. flare, 1-1/16 in. tall and a rear adjusting screw. Used by King Mirror and a variety of other patio door manufacturers.