1.Ball bearing.Roller bearing. hub bearing 2.material,steel GCR - 15 3.Quality ... Sight ApplicationHome appliances, low noise and high speed electric motors, automotive components, pumps, machinery. ServiceOEM PackageSingle box or according to ... prevention9.Product packagingNU NUP , Nj ,HaoYang bearingBall bearingRoller bearingAuto-hub bearing 1,Staff mission: to develop, innovation, cooperation and ...