轧机用四列圆柱滚子轴承

中华人民共和国机械行业标准滚动轴承JB/T5389.1-1995轧机用四列圆柱滚子轴承代替JB/T5389-91Four-rowcylindricalrollerbearingsforRollingMill1范围本标准规定了轧机用四列圆柱滚子轴承（以下简称轴承）的结构、代号、外形尺寸及技术条件。本标准适用于轴承的制造、检验和设计选型与验收。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。在标准出版时，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最新版本的可能性。GB/T272-93滚动轴承代号方法GB307.2-84滚动轴承公差的测量方法（GB/T307.2-1995滚动轴承测量和检验的原则及方法）GB307.3-84滚动轴承一般技术要求（GB/T307.3-1996滚动轴承通用技术规则）GB3203-82渗碳轴承钢技术条件GB7811-87滚动轴承参数符号ZBJ11020-89滚动轴承及其商品零件检测规则ZBJ36001-86滚动轴承零件渗碳热处理质量标准ZBJ36002-86滚动轴承零件深层渗碳热处理质量标准JB1255-91高碳铬轴承钢滚动轴承零件热处理技术条件JB/T2974-93滚动轴承代号方法的补充规定JB/T3016-91滚动轴承包装钉板箱技术条件JB/T3017-91滚动轴承包装纸箱技术条件JB/T3034-93滚动轴承轴承油封防锈包装JB/T3573-93滚动轴承径向游隙的测量及评定方法JB/T3574-91滚动轴承产品标志符号和缩略语除下列符号外，本标准所引用的符号符合GB7811的规定。R:内圈公称倒角r1:外圈公称倒角rmin:内圈最小单向倒角尺寸r1min:外圈最小单向倒角尺寸d1mpmax-d2mpmin:同一轴承两内圈间，最大平均内径与最小平均内径之差

di:内圈滚道公称直径Adj:内圈滚道直径偏差Vdip:单一径向平面内，内圈滚道直径变动量E:内圈滚道公称宽度Li:内圈滚道直线度dimp-dimpZ:内圈滚道两端平均直径之差Sdi:内圈滚道素线对基准端面倾斜度的变动量Fw::滚子组内径w:结构型式FC型-四列圆柱辊子轴承（见图1）FCD型-双内圈四列圆柱辊子轴承（见图2）FCDP型-外面带平挡圈的双内圈四列圆柱辊子轴承（见图3）5代号5.1代号的构成轴承代号由类型代号、尺寸代号和后置代号构成，其排列顺序如下：类型代号尺寸代号后置代号类型代号尺寸代号后置代号5.2类型代号类型代号由大写拉丁字母组成，表示轴承的结构特征，见表1。类型代号与尺寸代号间空半个字距（代号中有“/”除外）。表1类型代号结构特征FC四列圆柱滚子轴承（个内圈）FCD双内圈四列圆柱滚子轴承FCDP外圈带平挡圈的四列圆柱滚子轴承5.3尺寸代号尺寸代号由阿拉伯数字组成，数字自左至右表示公称内径（d）、公称外径（D）的代号和公称宽度（B）的毫米数，表示方法见表2。表2代号项目公称内径（d）代号公称外径（D）代号公称宽度（B）代号表示方法公称内径毫米数/5公称外径毫米数/5公称宽度毫米数

5.4后置代号后置代号为轴承在内部结构改变时及表示公差等级、游隙、热处理等的补充代号。后置代号用大写拉丁字母（或阿拉伯数字）表示。后置代号的编制规则按GB/T272的规定。含义及排列顺序见表3、表3顺序号项目名称含 义后置代号1内部结构轴承内部结构改变A、B或C2保持架及材料轴承保持架结构、材料改变按JB/T2974规定3公差等级符合标准规定的公差等级按GB/T272规定4游隙符合标准规定的游隙组别按GB/T272规定5其它热处理、润滑等按JB/T2974规定5.5标记标记示例：滚动轴承FCD100144530/P53FCD-双内圈四列圆柱滚子轴承100-公称内径为500mm144-公称外径为720mm530-公称宽度为530mmP53公差等级5,径向游隙3组5.6本标准未规定外形尺寸的轴承，其代号中类型代号与尺寸代号间用“/”分开示例：FC/4258192轴承外径为290mm,宽度为192mm,本标准未规定。FC/82120440轴承内径为410mm,本标准未规定。外形尺寸6.1FC型轴承外形尺寸按表4的规定。表4轴承代号dDBFwr2maxr1maxFC18287090140701051.51.1FC20281041001401041111.51.1FC202970100145701131.51.1FC20301061001501061131.51.1FC223412011017012012722FC243610512018010513522FC264012513020012514922FC284212514021012515822FC284215514021015515822FC294215514521015516622

轴承代号dDBFwr2maxr1maxFC294515614522515616922FC304512015022512016922FC304615615023015617422FC32481681602401681832.12.1FC32481241602401241832.12.1FC34501701702501701922.12.1FC34521201702601201952.12.1FC36521681802601682022.12.1FC36561801802801802072.12.1FC38521681902601682082.12.1FC38542001902702002122.12.1FC38562001902802002142.12.1FC40562002002802002222.12.1FC40581922002901922262.12.1FC40642162003202162332.12.1FC42602102103002102342.12.1FC44621922203101922462.12.1FC44642102203202102482.12.1FC46662062303302062602.12.1FC46682602303402602612.12.1FC48662202403302202642.12.1FC48722202403602202722.12.1FC507022025035022027833FC527422026037022029233FC527628026038028029433FC547623027038023029833FC567822028039022031233FC568428028042028031844FC588224029041024032044FC588430029042030032744FC608421830042021833244FC608424030042024033244FC649024032045024035544FC649629032048029036444FC669234033046034036544FC689226034046026037044FC689628034048028037444

6.2FCD型、FCDP型轴承外形尺寸按表5的规定。表5轴承代号dDBFwr2maxr1maxFCD6084300FCDP608430030042030033233FCD6496350FCDP649635032048035036444FCD6692340FCDP669234033046034036544FCD6896350FCDP689635034048035037844FCD72102370FCDP7210237036051037039244FCD72104380FCDP7210438036052038040544FCD74104380FCDP7410438037052038040944FCD76108400FCDP7610840038054040042244FCD80112410FCDP8011241040056041044555FCD84120440FCDP8412044042060044047055FCD88124450FCDP8812445044062045048755FCD92130470FCDP9213047046065047050955FCD96136500FCDP9613650048068050053266FCD96130450FCDP9613045048065045052566FCD100144530FCDP10014453050072053056866FCD106156570FCDP10615657053078057060166FCD110148510FCDP11014851055074051060066FCD112164630FCDP11216463056082063062566FCD114163594FCDP11416359457081559462866FCD120164575FCDP12016457560082057566066FCD120174640FCDP12017464060087064068266FCD126180670FCDP12618067063090067069866FCD130184670FCDP1301846706509206707237.57.5FCD134190700FCDP1341907006709507007507.57.5FCD138196715FCDP138196715690980715767.57.57.5FCD140186620FCDP1401866207009306207637.57.5FCD146200715FCDP1462007157101000715787.57.57.5FCD146192620FCDP1461926207309606207907.57.5FCD150200670FCDP15020067075010006708137.57.5FCD160216700FCDP16021670080010807008787.57.5FCD160230850FCDP16023085080011508509057.57.5FCD170230840FCDP17023084085011508409287.57.5FCD180244840FCDP18024484090012208409897.57.5FCD1902721000FCDP19027210009501360100010587.57.5FCD200272800FCDP2002728001000136080010847.57.5

轴承代号dDBFwr2maxr1maxFCD2123001120FCDP212300112010601500112011659.59.5FCD222296980FCDP2222969801110148098012109.59.5FCD2243161150FCDP224316115011201580115012409.59.5技术要求7.1公差轴承公差等级共分为三级，即0、6和5级。轴承公差应根据公差等级符合表7、表8的规定。表7内圈dmm△dmpdmm△dmpVdpVdmpKiad1mpmax△BsVBS-d2mpmin公差等级0、6、50650650650650 65065065超过至U上偏差下偏差max上偏差下偏差max801200-20-15-10201591511525136108 50-200252571201800-25-18-132518121914730188139 70-25030308180 2500-30-22-153023142317840201015 11 80-3003030102503150-35-25-183525162619950251318 13900-3503535133154000-40-30-2340312130231260301520 15120-4004040154005000-45-35-2745352434261465351823 18140-4505045175006300-50-40-3050402738301570402025201500-5006050206308000-757580380-7507080010000-10010090500-100080100012500-125125100630-1250100表8外圈口m△DmpVDpVDmpKeaD1mpmax△CsVCsd-D2mpminmm公差等级0、6、5065065065065065065065超过至U上偏差下偏差max上偏差下偏差max801200-15-13-1015139111053518108750-200与 8120 1500-18-15-11191510141164020119860-250内 8150 1800-25-18-132518121914745231313970-250圈 8VB1802500-30-20-153120132315 8502515151080-300相102503150-35-25-1835251626199603018181390-350同113154000-40-28-204028183021107035202014100-40013

表8外圈△DmpVDpVDmpKeaD1mpmax△CsVCsd-D2mpminmm公差等级0、6、5065065065065065065065超过至U上偏差下偏差max上偏差下偏差max4005000-45-33-234534203425128040232317120450与155006300-50-38-2850382538291410050252519140500内186308000-75-45-3575453155341812060303823180750圈20VB80010000-100-60-401006035754520140753050302001000相25100012500-1251251606301250同125016000-16016019080016007.2游隙轴承径向游隙按表9的规定。表9 四列圆柱滚子轴承径向游隙（圆柱孔） 口m公称内径2组0组3组4组5组dmm超过到minmaxminmaxminmaxminmaxminmax80100155050857511010514015519010012015555090851251251651802201201401560601051001451451902002451401602070701201151651652152252751601802575751251201701702202503001802003590901451401951952502753302002254510510516516022022028030536522525045110110175170235235300330395250280551251251951902602603303704402803155513013020520027527535041048531535565145145225225305305385455535355400100190190280280370370460510600400450110210210310310410410510565665450500110220220330330440440550625735500560120240240350350480480600560630140260260380380500500620630710145285285425425565565705710800150310310470470630630790800900180350350520520690690860公称内径dmm2组0组3组4组5组超过至Uminmaxminmaxminmaxminmaxminmax900 1000200390390580580770770960100011202204304306406408508501060112012502304704707107109509501190125014002705305307907901050105013107.3材料及热处理7.3.1高碳铬轴承钢制造的轴承零件，应根据不同的使用要求，分别选用 ZGCr15、ZGCrl5SiMn,真空脱气GCrl5、GCrl5SiMn及一般GCrl5、GCrl5SiMn轴承钢。7.3.2渗碳轴承钢G20Cr2Ni4A和G20Cr2Ni4等制造的轴承零件，其原材料应符合GB/T3203的规定。7.3.3高碳铬轴承钢制造的轴承零件，其热处理质量应符合JB/Tl255的规定。7.3.4渗碳轴承钢制造的轴承零件，其热处理质量根据渗碳层深度应符合ZBJ3600l或ZBJ36002的规定。7.3.5轴承使用温度超过l20°C时，高碳铬轴承钢制造的轴承零件应进行高温回火处理，其硬度应符合JB/Tl255的规定。轴承的滚子素线必须呈凸度或修形凸度。轴承零件不允许有裂纹，工作表面不应有烧伤、软点和脱碳。本标准未规定的项目，应符合产品图样及现行标准的规定。检验方法和检验规则8.1检验方法&1・1公差的测量方法按GB/T307.2的规定。8.1.2游隙测量方法按JB/T3573的规定。8・1・3轴承零件的裂纹、软点、脱碳检查方法按JB/Tl255的规定。8・1・4轴承零件工作表面烧伤按JB/Tl255规定的冷酸洗方法检验。8.2检验规则8.2.1轴承除按ZBJll020的规定外，其检验项目主项尚应包括dlmpmax—12mpmin、Dlmpmax-D2mpmin。8.2.2轴承套圈和滚子应100%进行裂纹检查。标志、防锈及包装9・1按本标准制造的轴承，其标志方法应符合JB/T3574的规定。9.2防锈及包装按本标准制造的轴承，应按GB/T307.3、JB/T3034、JB/T3016、JB/T3017的规定，进行防锈与内外包装。

表A1mm轴承代号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.51.51.52222222222.12.12.12.12.12.12.12.12.12.12.12.12.12.12.12.12.12.12.12.1333

轴承代号dBFwrLFC54762302702302983LFC56782202802203123LFC56842802802803184LFC58822402902403204LFC58843002903003274LFC60842183002183324LFC60842403002403324LFC64902403202403554LFC64962903202903644LFC66923403303403654LFC68922603402603704LFC68962803402803744A4商品轴承内圈公差应根据公差等级分别符合表A2、表A3、表A4、表A5的规定。表A2 0级公差内圈 口mdmm△dmpVdpVdmpSd△BVBiVdpKiL‘'.i超过到上偏差下偏差max上偏差下偏差max801200-202015230-20025101551201800-252519280-25030131881802500-303023280-30030162482503150-353526330-350351830103154000-404030380-400402136104005000-454534430-450502439125006300-505038480-50060284212注：仅允许滚道中间凸出。表A3 6级公差内圈 口mdmm△dmpVdpVdmpSd△BVBiVdpKiL‘'. 1 超过到上偏差下偏差max上偏差下偏差max801200-151511120-20025483120180