the part has A-S and below that is the numbers 7873 stamped on the sides the wheel is 1 and 1/4 inches it measures 2 5/8" x 1 3/8" and is 3/4" wide
Bob from SWISCO responded:
July 16, 2023
Hello there. Start by considering our 81-279. The dimensions match what you report, but take a look for yourself and see if you think this could work for your door.