... 4. ABEC-1,3,5,Z2V2 Quick DetailsStructure: Deep GrooveType: Ball..Bore Size: 20mm-240mm mmOutside Diameter: 30 - 400 mmModel Number ... ,NOISE GRADE:Z2V2,Z3V3,Z4V44,CLEANRANCE:C0,C2,C3,C45,HAND FEELING:WITH VERY SMOOTH FEELINGCSL,SNEN,RKN, BEARINGS APPLICATIONSPOWER TOOLSMOTORMOTORCYCLEPUMPTEXTILE ...