1.Ball bearing.Roller bearing. hub bearing 2.material,steel GCR - 15 ... SeriesSeries 30200, 30300, 32200, 32300, 33000,6000,6200,6300,6400,51100,51200,51300,51400,DAC,BC, etc ... packagingNU NUP , Nj ,HaoYang bearingBall bearingRoller bearingAuto-hub bearing 1,Staff mission: to develop, innovation, cooperation ... .We can also do any kinds of bearing according to customer's requirement.Contact-HelenTel--(+86 ...