... ,Zro2,Sic,AI203 High Quality Hybrid Ceramic Ball Bearings Features and specification of XBL bearingRing MaterialGCr15, GCr15SiMn, Bearing steelCagesteel cageQuality standardISO9001 ... to the buyer requests for packagingApplicationHome appliances, low noise and high speed electric motor automotive components, pumps, machinery. SalesAmy Matelephone number0086-15957493720Fax ...