Metal Wheel 1 1/2 inch Length 2 15/32 inches Height about 2 1/4 inches Internal channel 1/4 inch wide Height on narrow side 3/16 inch Height on fat end 1/2 inch
No markings that I can see.
Bob from SWISCO responded:
September 24, 2020
See our 84-074 or 84-074B Steel Wheel Screen Door Rollers. See if one of these might work for you.