... P5,P4 4. ABEC-1,3,5,Z2V2 Quick DetailsStructure: Deep GrooveType: Ball..Bore Size: 20mm-240mm mmOutside Diameter: 30 - ... : 6900-6910 OPEN,ZZ,2RS,NR,UGCSL,SNEN,RKN BEARINGS SPECIFICATIONS1,MATERIAL: GCR15,AISI52100,100GRC2,GRADE:ABEC-1,ABEC- ... C45,HAND FEELING:WITH VERY SMOOTH FEELINGCSL,SNEN,RKN, BEARINGS APPLICATIONSPOWER TOOLSMOTORMOTORCYCLEPUMPTEXTILE MACHINESSPORT ENQUIPMENTOFFICE ENQUIPMENT