This tandem wheel roller assembly is constructed of a pair of steel wheels and an adjustable steel housing. Each wheel has a concaved (center grooved) edge and features a steel inner race, steel ball bearings and a 5/16 in. roller width. The outside diameter of these rollers is 1-1/4 in. and they are used to replace damaged patio door roller assemblies in sliding glass doors. The housing is 1-1/32 in. tall, 11/16 in. wide and 3-1/8 in. long with a 1/4-20 threaded mounting hole on the back end, and an optional use hole on top. These tandem roller assemblies are used by a variety of patio door manufacturers.

-This steel ball bearing roller assembly is used to replace damaged or missing tandem roller assemblies in patio sliding glass doors
-5/16 in. wheel thickness (width) x 1-1/4 in., 11/16 in. wide housing, 1-1/32 in. housing height, 3-1/8 in. housing length
-Adjustable height with minimum collapsed height at 1-9/32 in
-Stamped steel housing with concave steel ball bearing rollers
-1-1/4 in. concave ball bearing steel rollers
-1/4-20 mounting hole in the back and optional #10/32 threaded hole on top
-A Phillips head screwdriver is required for installation
-For further dimensional information, please see the line drawing