I am looking for a 1-3/4" window sash cam/guide
Thanks for writing in! I'm happy to make a recommendation for the balances, if you are looking to replace them; I'll just need to see photos of the top and bottom attachments you've mentioned.
Regarding the top sash guide you are searching for, we do not have a direct replacement for it, unfortunately. It seems that Radco may have stopped making them some time ago, so I can't be sure that they're available any longer. That said, we've recommended our 18-008 and 18-009 in the past. Take a look over each of their dimensions and see what you think!
You may need to make a few modifications to install them, especially the 18-009. Although, you should keep in mind that altered parts cannot be returned or refunded.
Thanks for the photos. I recognize the top and bottom. I've narrowed down the balance replacement; although, I did forget to ask for one more photo.
Please provide a photo of the bracket that connects pulley system and spring at the center of the balance. This is where the spring and string meet in the middle.