Weather Tight Door Roller

Original roller with 3 rivets needed as replacement 7/16" width rollers (M.F.S.) to not fit as the arm on one side makes it 1/2" width which is too tight

I'm maintauning a 23 unit building from the mid seventies. I'm thinking I'll have to replace quite a few of these if I can find the parts. I think all the info is in the photos but if more is required please let me know.

Need to identify and purchase two single rollers for my sliding glass door. The dimensions and diameter of the wheel is 2 3/8' L x 1 3/16' high and 9/16" Wide as shown on uploaded picture with a 1 1/8" wheel diameter. PLease advise.

The top roller is intact but the bottom assy. crumbled & the Teflon wheel(pic)appears to have an off center cam type bearing. Retainer clips are on both. Do have a set of these?

though the wheels work relatively well when I clean them and reinstall, they get stuck as soon as I put the door back on the rails b/c the wheels are not secure and therefore the height is lowered. I believe that this is due to the cavity on the bottom door frame (seen on top of the glass in the pi ... (cont.)