>> P.150
IdentificationNumberandSpecificationⅡ-142ExampleofanidentificationnumberThespecificationofLMseriesisindicatedbytheidentificationnumber.Indicatetheidentificationnumber,consistingofamodelcode,dimensions,amaterialcode,apartcode,ashapecode,andaclassificationsymbolforeachspecificationtoapply.123456789LM101929NFUUAJModel1ModelcodePageⅡ-143Inscribedcirclediameter2Outsidediameterofexternalcylinder3DimensionsPageⅡ-143Externalcylinderlength4Retainermaterial5MaterialcodePageⅡ-143Materialtype6Sealstructure7PartcodePageⅡ-143Shapeofexternalcylinders8ShapecodePageⅡ-143Accuracyclass9ClassificationsymbolPageⅡ-143