The boss sent me some pictures of the hollow-ball he keeps captive on his desk! Crazy this rolling element, which was a ball is now shaped like a triangle.
I was reviewing a previous post on odd bearing failures. Someone mentioned they wanted to see an image of a hollow-ball. I wish I had a better image, but I pulled these from an old MRC (now SKF) failure catalog. This failure normally occurs in a "radial preload" failure and normally chalked up...