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1、中华人民共和国国家标准GB/T 460493:滚动轴承 径向游隙中华人民共和国国家标准滚动轴承 径向游隙Rolling bearingsRadial internal clearance(GB/T 460493代替GB 460484)本标准等效采用国际标准ISO57531991滚动轴承 径向游隙。1 主题内容与适用范围本标准规定了下列类型圆柱孔轴承以及圆锥孔轴承的径向游隙值。a. 深沟球轴承（外球面球轴承除外，其游隙值规定在JB 5304中）；b. 调心球轴承；c. 圆柱滚子轴承；d. 滚针轴承；e. 调心滚子轴承。在附录中推荐了双列圆柱滚子轴承的径向游隙值。给出的游隙值适用于无预负荷的轴承和
2、在结构上能承受纯径向负荷的轴承。本标准所列游隙值，供订户检验轴承时使用。2 引用标准GB 4199 滚动轴承 公差定义GB 4603 滚针轴承 重系列 尺寸和公差GB 5801 滚针轴承 轻、中系列 尺寸和公差JB 5304 滚动轴承 外球面球轴承径向游隙3 定义轴承径向游隙（无预负荷和能承受纯径向负荷）的定义规定在GB 4199的611条内。4 径向游隙值41 深沟球轴承的径向游隙应符合表1的规定。表1 深沟球轴承 (um)公称内径d(mm) 2组 0组 3组 4组 5组超过到minmaxminMaxminmaxMinmaxminmax2.56106101800077922313131888
3、112323251418293320253745182430243040011101111556202020131315282833202328364146283040485364405065506580111111515681023283018232536435130384651617145556573901058010012010012014012218202312151836414830364158668153617184971147590105120140160140160180160180200222232530182025536171465363911021178191107130
4、1471631201351501802002302002252502252502802223540452530358595105758590140160170125145155195225245175205225265300340 2组2组0组0组3组3组4组4组5组5组28031535531535540023355607040455511512514510011013019021024017519522527030034024527531537041046040045050045050056033108090100607080170190870150170190270300330250280
5、3103804204703503904405105706305606307106307108001020201101301409011012023026029021024027036040045034038043052057063049054060069076084080090010001120900100011201250202020201601701801901401501601703203503804103003303603905005506006504805305806307007708509206707408208909401040115012604.2 调心球轴承的径向游隙应符合表
6、2和表3的规定。表2 圆柱孔调心球承 (um)公称内径d(mm) 2组 0组 3组 4组 5组超过到minmaxminMaxminmaxMinmaxminmax2561061014122891056615171910121320252615192125333521273033424814182418243034512141681011212324151719283035232529373946323440505258 2组2组0组0组3组3组4组4组5组5组304050405065667181921131416293136232530404450343745535769465062667188
7、6580100801001208910242731182225404856354250607083546475839611476891051081241451201401401601015384430356880607010012090110135161125150175210表3 圆锥孔调心球轴承 (um) 公称内径d(mm)2组0组3组4组5组超过到minmaxminMaxminmaxMinmaxminmax18243024304079121720241315198628352023293339462833404250593744525562724050655065801418232732
8、39222735394757334150526175455669658098587391799912380100120140100120140160293540454756687442506065688198110627590100901081301508410012014011613916519110913015518014417020524043 圆柱滚子轴承的径向游隙应符合表4的规定。表4 圆柱孔圆柱子轴承 (um)公称内径d(mm) 2组 0组 3组 4组 5组超过到minmaxminMaxminMaxMinMaxminmax10241024300002525252020204545453535356060605050507575756570909530405040506555103035402530405060704550607080906070808510011080951101051251406580100801001201
