Prime-Line 1-1/8 in. Steel Ball Bearing Sliding Door Low/Profile Roller

This sliding patio door roller assembly is constructed of steel with a steel ball bearing roller. The housing dimensions measure 1-11/16 in. in width by 27/32 in. in height. The wheel measures 5/16 in. wide by 1-1/8 in. in diameter. This type of patio door roller assembly is used on Acorn doors.