1)6204 Ball bearings, Chrome steel 2)605-6015,625-6215,6300-6315. 3) ... -3,ABEC-5 Cixi Ouji Bearing CO.,LTD is a Ball bearings OEM manufacturer .As a specialized manufacturer and exporter for this ... )Certificates: ISO 9001,200011)Producing range : Standard and non-standard bearings .