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.
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Length: 1-7/16"
Height: 2"
Width: 3/4"
Wheel Diameter: 1-1/2"
Wheel: Nylon Ball Bearing