Harbor Freight Gearbox Conversion to Ball Bearing Support on a Diet

This project came as the result of having to parse down the previous BB printed gearbox housing to fit inside the designated chassis. Here is the original project https://www.thingiverse.com/thing:2761685

I originally employed a Harbor Freight cordless drills for drives on both sides of my 12 lb bot, as well as the weapon lift. You can use the stock gearbox housing, but it is only bushing supported, and would therefore require periodic greasing to keep things lubed and cool. The bottom line