超过10(包括10)3080120到3080120180深沟球和角接触球轴承0.1250.160.2推力和调心球轴承0.160.20.20.20.250.250.40.50.50.250.320.320.320.40.40.20.250.250.40.50.5套圈无槽套圈有槽1.2550.63其他表面内圈按内径查表,外圈按外径查表。推力轴承,其套圈按轴圈内径查表。0.1250.20.40.25引导保持架的挡边直径表面接触式密封轴承套圈与密封唇接触部位表面0.630.50.320.630.20.40.63调心滚子轴承各种类型轴承滚道引导滚子的挡边表面,内圈大挡边推力表面滚道引导或限制滚动体的挡边表面滚道引导或限制滚动体的挡边表面滚道中挡边的推力表面沟道0.1圆柱和圆锥滚子轴承滚针轴承和长圆柱滚子轴承沟道推力滚子和推力滚针轴承轴承型号套圈表面部位0轴承公差等级表面粗糙度Ramaxum轴承公称直径118025031510(包括10)308012018025031550030801201802500.250.250.320.080.10.1250.160.20.250.250.320.10.1250.160.160.20.320.320.40.1250.160.20.20.250.630.630.630.320.320.40.40.50.40.40.50.160.160.20.20.250.50.50.630.320.320.40.160.160.20.20.250.630.630.630.320.320.40.40.51.2550.40.50.630.40.5内圈按内径查表,外圈按外径查表。推力轴承,其套圈按轴圈内径查表。0.50.40.630.630.630轴承公差等级表面粗糙度Ramaxum轴承公称直径16、6X25031510(包括10)308012018025031550030801201802503150.20.250.0630.0630.080.10.1250.1250.20.250.080.10.1250.1250.160.160.250.320.080.10.1250.1250.160.160.50.50.20.20.250.250.320.320.250.320.080.10.1250.1250.160.160.250.320.50.51.25150.50.250.320.50.250.32内圈按内径查表,外圈按外径查表。推力轴承,其套圈按轴圈内径查表。0.40.320.5轴承公差等级表面粗糙度Ramaxum轴承公称直径16、6X531510(包括10)308012018025031550030801201802503155000.160.040.050.0630.0630.080.080.10.20.050.0630.080.080.10.10.1250.20.050.0630.080.080.10.10.1250.40.1250.1250.160.160.20.20.250.20.050.0630.080.080.10.10.1250.20.20.250.250.320.320.32150.320.20.320.320.20.32内圈按内径查表,外圈按外径查表。推力轴承,其套圈按轴圈内径查表。0.4轴承公差等级表面粗糙度Ramaxum轴承公称直径15410(包括10)308012018025030801201802504000.0320.040.050.050.0630.0630.040.050.0630.0630.080.080.10.10.1250.1250.160.16150.160.20.160.2内圈按内径查表,外圈按外径查表。推力轴承,其套圈按轴圈内径查表。-轴承公差等级表面粗糙度Ramaxum轴承公称直径12超过50080012501600500到80012501600-800深沟球和角接触球轴承0.50.630.80.4推力和调心球轴承0.630.630.80.40.8110.51.251.251.250.630.811.250.51.251.251.250.630.80.810.5111.250.6311.251.250.80、6X65轴承公称直径10.63沟道0.5内圈按内径查表,外圈按外径查表,单向推力轴承,其垫圈按轴圈内径查表,双向推力轴承,其垫圈按座圈化整的内径查表。注:(1)0级推力圆锥滚子轴承滚道表面粗糙度可放至:尺寸超过500mm~800mmRa不大于0.8um,尺寸超过800mm~1250Ra不大于1um。(2)不包括对称滚子型调心滚子轴承的活动中挡圈。轴承公差等级各种类型轴承引导保持架的挡边其他表面0.8长圆柱和推力滚子轴承(1)滚道0.63引导或限制滚动体的挡边表面推力挡边中挡边的推力表面(2)0.81调心滚子轴承滚道轴承型号套圈表面部位圆柱和圆锥滚子轴滚道0.63引导滚子的挡边表1表面粗糙度Ramaxum沟道0.58001250500800125012501600800125016000.50.630.320.40.50.50.630.320.40.50.630.80.40.50.630.810.630.810.810.50.630.80.810.630.810.630.80.810.811.630.81655轴承公称直径1内圈按内径查表,外圈按外径查表,单向推力轴承,其垫圈按轴圈内径查表,双向推力轴承,其垫圈按座圈化整的内径查表。注:(1)0级推力圆锥滚子轴承滚道表面粗糙度可放至:尺寸超过500mm~800mmRa不大于0.8um,尺寸超过800mm~1250Ra不大于1um。(2)不包括对称滚子型调心滚子轴承的活动中挡圈。轴承公差等级表面粗糙度Ramaxum超过30805001600到30805001600250000.80.811.251.66、6X0.630.6311.25-50.50.50.81-40.250.250.5--20.160.20.4--00.630.6311.251.66、6X0.320.320.631-50.320.320.630.8-40.250.250.5--20.160.20.4--00.80.811.251.66、6X0.630.6311-50.50.50.80.8-40.40.40.63--20.320.320.4--外圈外圆柱表面套圈端面内圈按内径查表,外圈按外径查表,单向推力轴承,其垫圈按轴圈内径查表,双向推力轴承,其垫圈(包括中圈)及其端面按座圈化整的内径查表。(GB/T307.3-1996)轴承配合表面和端面的表面粗糙度轴承公称直径1)mmRaummax表面名称精度等级内圈内孔表面