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ICS21.100.20J11JB/T7919.1－1999neqISO2982–1∶1995滚动轴承附件退卸衬套Rollingbearings–Accessories–Withdrawalsleeves1999-06-28发布2000-01-01实施国家机械工业局发布()I前言1范围····················································································································································································································12引用标准·········································································································································································································13术语····················································································································································································································14符号····················································································································································································································15代号方法·········································································································································································································36标记····················································································································································································································37尺寸····················································································································································································································48技术要求·······································································································································································································139测量方法·······································································································································································································1410标志···············································································································································································································1511检验规则·····································································································································································································1512包装···············································································································································································································15附录A（标准的附录）测量方法···························································································································································16JB/T7919.1－1999目次()II前言本标准非等效采用ISO2982–1∶1995《滚动轴承附件锥形衬套》。标准中补充了国际标准中没有的技术条件。本标准是对JB/T7919.1—95《滚动轴承附件退卸套外形尺寸》和JB/T7919.7—95《滚动轴承附件锥形衬套、锁紧螺母和锁紧垫圈技术条件》的修订。本标准与JB/T7919.1—95、JB/T7919.7—95相比，主要作了以下修订：——将JB/T7919.1的尺寸与JB/T7919.7相关内容的技术条件合并；——扩大了锥度1∶12的退卸衬套AH30、AH31、AH32系列尺寸范围，增加了AH39系列及锥度1∶3的AH240、AH241系列；——部分型号的退卸衬套螺纹尺寸改变，其代号也随之改变；——补充了扩大的尺寸段的公差。本标准自实施之日起代替JB/T7919.1—95、JB/T7919.7—95（部分）。本标准的附录A是标准的附录。本标准由全国滚动轴承标准化技术委员会提出并归口。本标准起草单位：洛阳轴承研究所。本标准主要起草人：李飞雪、陈原、郭宝霞。JB/T7919.1－199911范围本标准规定了退卸衬套的尺寸及技术条件。本标准适用于尺寸系列符合GB/T273.3的滚动轴承用退卸衬套的设计、生产、检验和用户验收。2引用标准下列标准所包含的条文，通过在本标准中引用而构成为本标准的条文。本标准出版时，所示版本均为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准昀新版本的可能性。GB/T192—1981普通螺纹基本牙型GB/T196—1981普通螺纹基本尺寸（直径1~600mm）GB/T272—1993滚动轴承代号方法GB/T273.3—1988滚动轴承向心轴承外形尺寸总方案GB/T274—1991滚动轴承装配倒角极限GB/T275—1993滚动轴承与轴和外壳的配合GB/T307.2—1995滚动轴承测量和检验的原则及方法GB/T699—1988优质碳素结构钢技术条件GB/T1804—1992一般公差线性尺寸的未注公差GB/T2516—1981普通螺纹偏差表（直径1~355mm）GB/T5796.1—1986梯形螺纹牙型GB/T5796.3—1986梯形螺纹基本尺寸GB/T5796.4—1986梯形螺纹公差GB/T6930—1986滚动轴承词汇GB/T8597—1988滚动轴承包装JB/T3574—1997滚动轴承产品标志JB/T8921—1999滚动轴承及其商品零件检验规则3术语本标准采用的术语符合GB/T6930的规定。4符号符号见图1。国家机械工业局1999-06-28批准中华人民共和国机械行业标准滚动轴承附件退卸衬套Rollingbearings–Accessories–WithdrawalsleevesJB/T7919.1－1999neqISO2982–1∶1995代替JB/T7919.1—95部分代替JB/T7919.7—952000-01-01实施JB/T7919.1－19992图1d：轴承公称内径d1：退卸衬套公称内径D1：退卸衬套圆锥大端公称直径D2：退卸衬套越程槽底公称直径G：螺纹B3：退卸衬套公称宽度B4：退卸衬套与轴承套圈总宽a：螺纹长度与越程槽宽度之和b：螺纹长度f：退卸衬套切槽宽度r：公称倒角尺寸D0：退卸衬套圆锥表面的中部直径Δd1mp：退卸衬套单一平面平均内径偏差ΔB3s：退卸衬套宽度偏差Δas：退卸衬套a的长度偏差Δfs：退卸衬套切槽宽度偏差ΔD1s：退卸衬套单一圆锥大端直径偏差ΔD1mp–Δd2mp：退卸衬套圆锥表面的锥角偏差KDo：退卸衬套圆锥表面对内孔的径向圆跳动VDop：退卸衬套单一径向平面内Do的变动量Vdlmp：退卸衬套平均内径变动量JB/T7919.1－199935代号方法退卸衬套代号由类型代号、尺寸系列代号和内径代号组成，并按此顺序排列。5.1类型代号类型代号用字母AH表示。注：AH后加字母或数字表示退卸衬套的不同结构。AH——锥度1∶12的退卸衬套代号AH2——锥度1∶30的退卸衬套代号AHX——锥度1∶12且螺纹尺寸与原来使用的不同的退卸衬套代号5.2尺寸系列代号尺寸系列代号按GB/T272中轴承尺寸系列代号的规定。退卸衬套分39，02，30，03，22，31，32，23，40，41尺寸系列。5.3内径代号内径代号按GB/T272中轴承内径代号的规定。5.4示例AH3024AHX3040AH240206标记标记示例：内径为120mm，尺寸系列30的轴承用锥度1∶12的退卸衬套为：AH3024JB/T7919.1—1999内径为100mm，尺寸系列40的轴承用锥度1∶30的退卸衬套为：AH24020JB/T7919.1—1999适用的轴承的内径代号尺寸系列代号退卸衬套代号（锥度1∶12）适用的轴承的内径代号尺寸系列代号表示螺纹的尺寸与原来使用的不同退卸衬套代号（锥度1∶12）适用的轴承的内径代号尺寸系列代号退卸衬套代号（锥度1∶30）JB/T7919.1－199947尺寸退卸衬套的尺寸按表1~表10的规定。表1AH39系列mm尺寸适用的轴承型号螺纹Gdd