sears craftsman disk belt sander 103.0803 drum dimensions

[sparkness]

I'm looking for the over all dimension of sears craftsman belt sander drive drum as I need to make one and do not have the original. thanks
part #14 in the diagram

 

[sparkness]

made the drum 6.700 OAL with new shaft

 

[Zeke]

Outstanding.

 

[The Cobbler]

looks great.

 

[The Cobbler]

curious if the roller should be crowned so the belt tracks better?

 

[Cruzan80]

This is the drive roller. The tracking is adjusted from the other roller (based off of the one circled above).