1 in. Steel Roller Assembly with Flat Steel Ball Bearing Roller (Single Pack)

This is a U-back, patio door roller assembly with a flat 1-1/2 in. ball bearing roller in a stamped steel U-back style housing. When installed the U-back housing is drawn tightly into position against the side stile as the mounting screw or bolt is tightened. The housing is 17/32 in. wide and 1-3/32 in. tall with a rear adjusting screw. Used by Capitol and a variety of other sliding patio door manufacturers.