Stop in for a cup of coffee

5/8 OD. 5/16 ID.. But don't take my word for it just cuz I said it with conviction.. I just made that **** up...
Not bad for a guess. LOL I think its just a little under that. Gonna take my calipers home from work and try to get good measurements. Thing is, I don't know how much play it was supposed to have. Kinda think I might have had wrong ones previous and that contributed to them failing.