Boston Gear HF72150SVB5HP20 Worm Gearbox 50:1 Ratio 1/2Hp 35rpm 56C Hollow Shaft

Frame Size: 56C
Ratio: 50:1
Input RPM: 1750
Output RPM: 35rpm
Input Shaft Diameter: 5/8"
Output Shaft Diameter: 1-1/4
Output Shaft Orientation (Left, Right, Inline): Hollow
Input H.P: 1/2
Output Torque: 687
Does gearbox include breather vent?: Plug
In Good Used Condition, Removed from a Working Environment.