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Example of identication number(a) Example of "Dimension series + Bore diameter number"(b) Example of "Bore diameter or roller set bore diameter + Outside diameter or roller set outside diameter + width"Model numberSupplementalcodeNA4902C2P6Model numberSupplementalcodeKT588NModel codeDimension seriesBore diameter numberClearance symbolClassification symbolModel codeRoller set bore diameterRoller set outside diameterCage widthCage symbol(c) Example of "Bore diameter or roller set bore diameter + width"(d) Example of "Basic diameter"Model numberSupplementalcodeNAX2030ZSupplementalcodeModel numberCF10VBUUModel codeRoller set bore diameterAssembled bearing widthShield symbolModel codeBasic diameter (Stud diameter)Cage symbolShape of stud headSeal symbolA29