MOTOR DRIVE PULLEY

This pulley was used on early Mill Turn machines for the milling motor. 

It is 2.65" in diameter with a 24 MM bore and uses an 8 MM key. 

The hub is 42 MM in diameter and the pulley is 34 MM thick overall. 

The groove is for standard 1/2" belts ( 4L series). Made of fine grain cast iron.