PRIME-LINE
Single 1-1/4 in. Nylon Ball Bearing Roller, F-Tab Style, Adjustable
Mfr # 1521. This is an F-tab patio door roller assembly with a 1-1/4 in. concave or grooved nylon 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 3/4 in. wide and 1-1/8 in. tall with a rear adjusting screw. Used by Ador Hilite and a variety of other patio door manufacturers. 1-1/4 in. Concave (grooved) Nylon Roller Ball Bearing F-Tab Housing with Rear Adjust When the corner screw passes through the F tab the assembly is captured by the side stile and bottom rail as the two sides draw together Housing is 3/4 in. wide, 1-1/8 in. tall and 1-11/16 in. long (not including the inner roller housing) Rear adjustment screw Used on metal framed patio doors For further dimensional information, please see the line drawing