Volution ceramic hybrid bearings start with superior rings made from high quality bearing steel, 440C stainless steel, or XDNitro extreme corrosion resistant high-nitrogen stainless steel. Our rollings elements are areospace-grade silicon nitride (Si3N4). All Volution ceramic hybrid bearings are 100% frequency noise tested and come with ABEC-5 running tolerances for longer life and performance. Whether you are looking for a high-speed turbine bearing or a Cryogenic pump bearing , Volution can custom build a ceramic hybrid to fit your application. Call us today, to discuss your new solution.