Can Washers Fix Axial and Radial Play on Axles Near R/C Bearings?

Can simple M4 washers act as shims to fix axial and radial play where your axle ball bearings are installed in your radio controlled vehicles? We take a deep dive into the use of washer shims on the axles alongside the sealed ball bearings, discussing both advantages and disadvantages in this episode of the RC Deep Dive podcast.