Pulley is approx. 5" dia. belt surface is 4-1/8" wide the flange is 3/4" high the flange side is 6-1/2" dia. the bore is worn has a note in it that says it needs a bushing to be used again see pictures.

 

 

This is surplus to a now closed factory that kept spare parts on the shelf. The mill still had some of the old parts for some of their old equipment.