Alcan Roller Assembly for Sliding Glass Door, 1-1/8 Wheel, 9/16 Housing

Roller Diameter 1-1/8, Width 1/4 inch
Housing is 7/16
Dimple width 9/16
The steel ball bearing roller is 5/16 inch (7.9 millimeter) wide at bearing.
The assembly fits on doors by Window Alcan and others.

Helpful Article: How to Replace Rollers in an Aluminum Sliding Glass Door