Nachi is a supplier of original equipment wheel bearings, hubs and seals to many leading Japanese automakers. Product Features:Wheel bearing kits include the required components for complete bearing replacementManufactured with high carbon chromium bearing steel or case hardening steelHeat-treated to an appropriate hardness to attain optimum resistance to rolling fatigueBearing surfaces are ground to a very high accuracy using special machine toolsOE form, fit and function