Post an image or send me one.
Shor did not make any MILLs
They could have one private labeled it may be Italian or Spanish.
See what numbers are on the casting. The Roller width ?
Will need the Diameter as the gear size will depend on that.
Get the dimensions on the gear such as number of Teeth, Key Way,
Width and Diameter.
This will help your search and reduce the other persons effort.