GradeNominal diameterLimit deviationsBall diameterRoundnessSurfaceroughnessLot d
GradeBall diameter variationDeviation from spherical formSurface roughnessLot
GradeBall diameter variationDeviation from spherical formSurface roughness Lot d
Size(mm in)1000 pcs(kg)Per kilogram( number)Size(mm in)1000 pcs(kg)Per kil
CountryChinaU.S.AGermanyJapanFranceEnglandItalyRussiaStandardGBAISIDINSUSNFBSUNI
?? ? ??Size ?? ??Vibrationlevels??? ??GradeG20G16G10 G5 G3Z1Z2Z3??Over?To???Aver