Stainless Steel Ball Thrust Bearings are designed for side or axial loads, and cannot handle much radial load at all. The ball is made from 440C Stainless Steel and the retainer can be made from assorted materials depending on the application.
Chrome Steel Ball Thrust Bearings are designed for side or axial loads, and cannot handle much radial load at all. The ball is made from 52100 Chrome Steel and the retainer can be made from assorted materials depending on the application.