Need rollers for sliding screen door

Hello,

Your roller reminds me of the 84-028 at first glance but I can't be sure without seeing the entire assembly uninstalled. To confirm, take a look and compare the specifications below to an intact roller. Thank you! 

Dimensions for 84-028

I also thought of the 84-028 at first but I actually think we may offer a closer match. The wheel may be part of a larger corner roller assembly. You will need to take your screen door apart to determine which corner roller will fit your patio screen door frame. Take a look at the rollers related on this page and the related videos.