Wheel for a bifold door

Question

I need 4 of these wheels. They are 1/8" wide and 3/4" in diameter. Can't find them anywhere. Guessing they are from the 1980's when the condo was built. Can you help?

Thanks much!

Mb

User submitted photos of bi-fold door hardware.

Tom · Accepted Answer

Our 21-174 roll guide looks like it could be a match. Take a look and let us know what you think.