A Short Note on Bearings Ball bearings are nothing but rolling elements where rolling spheres are used. Their core purpose is to support axial and radial loads acting on reciprocating and rotating shafts. These elements are incorporated between outer and inner raceways. You can choose to group them as maximum capacity types and Conrad types. https://bmgworld.blogspot.com/2022/07/a-short-note-on-bearings.html