I didn't see an exact replacement part in the inventory list. Any help would be appreciated. You can see the bottom panel was removed to get to the screw at the top that holds it in place. The back side has a retention screw as well right above the adjustment screw. These are older glass sliding doors (mid 1980s vintage I'm guessing by the age of the building.
Wheel is 1. 5 in diameter. The frame measures:
Height 1 3/8 in , width 3/4 in, length 2 5/8 in
