Patio Door Roller (Steel Housing / Nylon Roller)[39.11.00.203]
The #39.11 Tandem Side Adjust Roller (1-1/4" Dia.) with steel housing and nylon roller will support up to a 250 lbs. door ((2 Roller)s required). This roller has an 11/16 inch (17.5 millimeter) wide, 1-3/16 inch (30.1 millimeter) tall adjustable steel housing assembly with screw holes 5-3/4 inch (146 millimeter) on center. Number sometimes found on this roller is 31761. (See page 3, figure 1 of the product specification documentation)
For additional assistance with installation or tips on choosing the right part, always refer to the product specifications documentation.