The body is approximately 3-1/16" long, 11/16" wide, 1" high, overall length from the edge of roller to back of adjustment screw is 4-1/4". The hole on top is 1-1/8" from the back.
Dave Sr. from SWISCO responded:
November 12, 2018
I'm afraid that I could not find an exact match to your roller. Take a look at our 81-138, 81-155, or 81-167 to see if any of these can be used on your door.