Sliding Glass Patio Door 1-1/2″ Nylon Ball Bearing Roller and 3/4″ Wide Housing

This Sliding Glass Patio Door Roller has a 3/4 inch (19.1 millimeter) wide, 2 inch (50.8 millimeter) tall aluminum housing assembly. The nylon ball bearing roller is 5/16 inch (7.9 millimeter) wide. This patio door roller is used by several sliding glass door manufacturers.