Do you have the part in the photo below? Wheel is 7/8" and 1/4" wide. From wheel to end if assembly measures 1 1/2".
Dave Sr. from SWISCO responded:
August 10, 2016
I'm afraid we haven't been able to find an exact match for this roller, but see if you could use either the 81-247 or 81-248 roller. These appear to be the closest matches we have to the one you show in your photo.