STL Ball Bear Assembly, Prime-Line, Mfr#: D 1762

114 in Steel Ball Bearing Sliding Door Roller Assembly, NuAir This is a plain back patio door roller assembly with a 114 in concave steel ball bearing roller It has a plain back housing that is 34 in wide with a 78 in flare and 1316 in tall It is rear adjusting with a threaded mounting hole on the back end It is used by NuAir and a variety of other sliding patio door manufacturers