Sliding Glass Patio Door 1-1/2" Steel Ball Bearing Roller for Northrop Doors

This popular Sliding Glass Patio Door Roller features a 1-1/2 inch (38.1 millimeter) diameter steel ball bearing roller. The adjustable steel housing assembly is 15/16 inch (7.9 millimeter) wide and 1-5/16 inches (33.3 millimeters) tall. This patio door roller fits on doors manufactured by Northrop and many other patio doors.