It is corroded so I can not read the markings but looks like HILTE? This is for my sliding pation doorwall. (This a doorwall from 1980s). I will need 8 qty total.
Tom from SWISCO responded:
December 1, 2020
This roller looks like a dead ringer for our 81-258. I believe this is just the part you need. Let me know if you had any questions!