AutoCAD Bearing seat?

I am making a fully functional 3d printed yoyo for a school project and I don’t know the specifications of the bearing seat, specifically how to stop the inner bearing part so to not have the rotating part rub on the yoyo.
Any help is appreciated.

Looking at any yoyo with a bearing seat will answer how to design that.

The bigger problem is that it’s nearly impossible to print with the level of accuracy required for a bearing seat… most printed yoyos user some kind of insert