And of cause you have Built Spindles to know, that this would be a bad design, if this is a bad design then all Bridgeport machines & clones, have a bad Designed spindle as well, because this is the same as what they have, I Design/build many custom spindles,I also used to build custom prototypes Bearing assemblies for SKF, you should stick to subjects that you do have some experience with instead of pretending, there are a lot of people that pretend, to have knowledge on subjects,but just leads to confusion for the person that is looking for support