I recently purchased a set of stainless steel bearings in the industrial and scientific category, and they have proved to be of remarkable durability. After I put them to the test, the bearings didn't show a single sign of wear and tear, which is a testament to their high-grade quality. I was even more impressed with how smooth and silent they were during operation. While they are a bit pricier than some other options, their long-lasting capabilities make them worth the investment.