调心球轴承有圆柱孔和圆锥孔两种结构，保持架的材质有钢板、合成树脂等。其特点是外圈滚道呈球面形，具有自动调心性，可以补偿不同心度和轴挠度造调心球轴承成的误差，但其内、外圈相对倾斜度不得超过3度。简介调心球轴承：二条滚道的内圈和滚道为球面的外圈之间，装配有鼓形滚子的轴承。外圈滚道面的曲率中心与轴承中心一致，所以具有与自动调心球轴承同样的调心功能。在轴、外壳出现挠曲时，可以自动调整，不增加轴承负担。调心球轴承可以承受径向负荷及二个方向的轴向负荷。径向负荷能力大，适用于有重负荷、冲击负荷的情况。内圈内径是锥孔的轴承，可直接安装。或使用紧定套、拆卸筒安装在圆柱轴上。保持架使用钢板冲压保持架、聚酰胺成形保持架及铜合金车制保持架。调心球轴承可承受较大的径向载荷，同时也能承受一定的轴向载荷。该类轴承外圈滚道是球面形，故具有调心性能，当轴受力弯曲或倾斜而使内圈中心线与外圈中心线相对倾斜不超过1°～2.5°时，轴承仍能工作。调心球轴承内孔有圆柱形和圆锥形两种。圆锥形内孔的锥度为1：12或1：30。为了加强轴承的润滑性能，在轴承外圈上加工环形油槽和三个用途调心球轴承适用于承受重载荷与冲击载荷、精密仪表、低噪音电机、汽车、摩托车、冶金、轧机、矿山、石油、造纸、水泥、榨糖等行业及一般机械等。基本常识调心球轴承产品特性：主要承受径向载荷，同时可承受较小轴向载荷。轴外壳的轴向位移限制在游隙限度内，具有自动调心性能，允许内、外围相对倾斜不大的条件下正常工作，适用于支承座孔不能严格保证同轴度的部件中。调心球轴承产品特征：调心球轴承有圆柱孔和圆锥孔两种结构，保持架的材质有钢板、合成树脂等。其特点是外圈滚道呈球面形，具有自动调心性，可以补偿不同心度和轴挠度造成的误差，但其内、外圈相对倾斜度不得超过3度。调心球轴承结构形式：带防尘盖和带密封圈的调心球轴承装配时已填入适量的润滑脂，安装前不应加热也不必清洗，使用过程中不需再润滑，适应运行温度－30℃至+120℃之间。调心球轴承主要用途:适用于精密仪表、低噪音电机、汽车、摩托车及一般机械等，是机械工业中使用***为广泛的一类轴承技术要求滚动轴承的分类滚动轴承的分类摘要：滚动轴承结构类型分类轴承承受载荷方向公称接触角不同分为向心轴承主要用于承受径向载荷滚动轴承公称接触角公称接触角不同分为径向接触轴承公称接触角向心轴承向心接触轴承公称接触角大于向心轴承推力轴承主要用于承受轴向载荷滚动轴承公称2002:机床,入世是挑战更是机遇***指出要加大我国数控机床研发力度加快普及型数控机床的发展漫话中国机床制造业的服务竞争中国铣床和加工中心市场的现状和展望国内外车床的技术水平和发展方向世界加工中心的生产、需求和发展动向国内外机床发展趋势世界数控系统发展趋势切削加工技术和数控机床的发展1．按滚动轴承结构类型分类轴承按其所能承受的载荷方向或公称接触角的不同，分为：（1）向心轴承----主要用于承受径向载荷的滚动轴承，其公称接触角从0到45。按公称接触角不同，又分为：径向接触轴承----公称接触角为0的向心轴承向心角接触轴承----公称接触角大于0到45的向心轴承。（2）推力轴承----主要用于承受轴向载荷的滚动轴承，其公称接触角大于45到90。按公称接触角不同又分为：轴向接触轴承----公称接触角为90的推力轴承推力角接触轴承----公称接触角大于45但小于90的推力轴承。轴承按其滚动体的种类，分为：（1）球轴承----滚动体为球：（2）滚子轴承----滚动体为滚子。滚子轴承按滚子种类，又分为：圆柱滚子轴承----滚动体是圆柱滚子的轴承，圆柱滚子的长度与直径之比小于或等于3滚针轴承----滚动体是滚针的轴承，滚针的长度与直径之比大于3，但直径小于或等于5mm;圆锥滚子轴承----滚动体是圆锥滚子的轴承;调心滚子轴承一一滚动体是球面滚子的轴承。轴承按其工作时能否调心,分为:（1）调心轴承----滚道是球面形的,能适应两滚道轴心线间的角偏差及角运动的轴承;（2）非调心轴承刚性轴承----能阻抗滚道间轴心线角偏移的轴承。轴承按滚动体的列数,分为:（1）单列轴承----具有一列滚动体的轴承;（2）双列轴承----具有两列滚动体的轴承;（3）多列轴承----具有多于两列滚动体的轴承,如三列、四列轴承轴承按其部件能否分离,分为：（1）可分离轴承----具有可分离部件的轴承；（2）不可分离轴承----轴承在***终配套后,套圈均不能任意自由分离的轴承。轴承按其结构形状如有无装填槽,有无内、外圈以及套圈的形状,挡边的结构,甚至有无保持架等还可以分为多种结构类型。2.按滚动轴承尺寸大小分类轴承按其外径尺寸大小，分为:微型轴承----公称外径尺寸范围为26mm以下的轴承;小型轴承----公称外径尺寸范围为28-55mm的轴承;中小型轴承----公称外径尺寸范围为60-115mm的轴承;中大型轴承----公称外径尺寸范围为120-190mm的轴承大型轴承----公称外径尺寸范围为200-430mm的轴承;特大型轴承----公称外径尺寸范围为440mm以上的轴承。滚动轴承类型和尺寸规格繁多，为便于设计和选用，标准规定了用代号表示滚动轴承的类型、尺寸、结构特点及公差等级等。***标准：GB/T272-93向ISO替代GB272-88。滚动轴承的代号表示方法代号用途:表征滚动轴承的结构、尺寸、类型、精度等，代号由***标准GB/T272-93规定。代号的构成：前置代号——表示轴承的分部件基本代号——表示轴承的类型与尺寸等主要特征后置代号——表示轴承的精度与材料的特征内径代号：内径代号×5=内径特殊情况：d=10121517代号为：00010203尺寸系列代号：用于表达相同内径但外径和宽度不同的轴承，外径系列代号：特轻,轻,中,重宽度系列代号：一般正常宽度为“0”,通常不标注。但对圆锥滚子轴承和调心滚子轴承不能省略“0”后缀定义C3：径向游隙大于普通游隙K：1/12锥度圆锥孔K30：1/30锥度圆锥孔M：钢球引导的机加工黄铜实体保持架2RS：带两端密封盖TV：钢球引导的玻璃纤维增强型聚酰胺实体保持架轴颈尺寸质量额定载荷极限转速参考转速轴承代号安装尺寸dDBrsHJ动载静载D1D2mmkgmin-1FAG551960.314.40.012.50.481.913600040000135TV7.416.6661960.314.40.0092.50.481.913600045000126TV8.416.6772270.316.80.0142.65550.562.013600043000127TV9.419.6882270.316.80.0142.65550.562.0136000108TV10.619.4992680.6200.0223.80.82.043200036000129TV13.221.810103090.623.50.0345.51.22.0530000320001200TV14.225.8101030140.624.20.0458.31.731.1428000320002200TV14.225.8101030140.623.425.90.0535.51.22.05180002200.14.225.8121232100.625.40.0415.61.271.7730000320001201TV16.227.8121232140.626.20.0591.961.2526000280002201TV16.227.8121232140.625.427.90.0585.61.271.77170002201.16.227.8151535110.629.20.0487.51.761.9526000280001202TV19.230.8151535140.629.50.0579.152.081.4424000240002202TV19.230.8151535140.629.130.90.0617.51.761.95150002202.19.230.815154217134.80.111163.751.2918000200002302TV20.636.4171740120.632.30.07382.042.0322000260001203TV21.235.8171740160.634.10.05411.42.751.4319000220002203TV21.235.8171740160.632.135.20.09882.042.03140002203.21.235.817174714137.30.06512.53.22.0318000200001303TV22.641.417174719137.30.15513.43.21.2517000190002303TV22.641.417174719137.240.30.17612.53.22.03110002303.22.641.420204714138.10.118102.652.3418000240001204TV25.641.420204714138.10.116102.652.341800024000.C325.641.420204714138.10.085102.652.341300011204TV25.641.420204718139.50.13414.33.551.5117000200002204TV25.641.42020471813841.70.151102.652.34110002204.25.641.4202052151.141.90.16312.53.352.2716000190001304TV2745202052211.141.50.206174.251.2916000180002304TV2745202052211.141.845.20.22812.53.352.27100002304.274525255215143.90.13812.23.352.48160002000012.5TV30.646.525255215143.90.13512.23.352.48160002000012.5K.TV.C330.646.525255215143.90.22612.23.352.481000011205TV30.646.525255218144.70.152174.41.8615000170002205TV30.646.525255218143.846.30.16112.23.352.4895002205.30.646.525255218144.70.152174.41.861500017000.C330.646.525255218143.846.30.15712.23.352.4895002205K..C330.646.5252562171.150.80.2581852.414000160001305TV3255252562171.150.80.2541852.41400016000.C33255252562241.150.10.33524.56.551.3813000150002305TV3255252562241.150.753.20.3631852.480002305.3255252562241.150.10.32824.56.551.381300015000.C3325530306216151.90.22115.64.652.6514000170001206TV35.656.430306216151.90.21715.64.652.651400017000.C335.656.430306216151.90.36415.64.652.65850011206TV35.656.4303062201540.25225.56.952.2312000140002206TV35.656.430306220151.854.30.27315.64.652.6580002206.35.656.4303062201540.24625.56.952.231200014000.C335.656.430306220151.854.30.26815.64.652.6580002206K..C335.656.4303072191.159.40.38421.26.32.5111000140001306TV3765303072191.159.40.37921.26.32.511100014000.C33765303072271.159.30.48831.58.651.4710000140002306TV3765303072271.159.4630.5521.26.32.5167002306.3765303072271.159.30.47631.58.651.471000014000.C33765353572171.159.60.324165.22.9412000150001207TV4265353572171.159.60.319165.22.941200015000.C34265353572171.159.60.554165.22.94750011207TV4265353572231.162.90.3893292.239500130002207TV4265353572231.159.564.30.442165.22.9470002207.4265353572231.162.90.383292.23950013000.C34265353572231.159.564.30.432165.22.9470002207K..C34265353580211.567.50.5072582.599500130001307TV4471353580211.567.50.52582.59950013000.C34471353580311.566.80.97539111.429000130002307TV4471353580311.567.569.10.7442582.5960002307.4471353580311.566.80.9639111.42900013000.C34471404080181.167.80.41419.36.553.0410000130001208TV4773404080181.167.80.40819.36.553.041000013000.C34773404080181.167.80.72219.36.553.04670011208TV4773404080231.170.70.47631.59.52.549000110002208TV4773404080231.167.871.10.52819.36.553.0463002208.4773404080231.170.70.46531.59.52.54900011000.C34773404080231.167.871.10.51719.36.553.0463002208K..C34773404090231.575.30.708299.652.648500120001308TV4981404090231.575.30.698299.652.64850012000.C34981404090331.5750.9224513.41.528000120002308TV4981404090331.575.3781.01299.652.6453002308.4981404090331.5750.8994513.41.52800012000.C34981454585191.172.70.462227.353.189000130001209TV5278454585191.172.70.454227.353.18900013000.C35278454585191.172.70.78227.353.18600011209TV5278454585231.175.90.5172892.548500100002209TV5278454585231.172.675.40.548227.353.1856002209.5278454585231.175.90.5052892.54850010000.C35278454585231.172.675.40.535227.353.1856002209K..C352784545100251.5840.9533812.92.627500110001309TV54914545100251.5840.9393812.92.62750011000.C354914545100361.584.21.225416.31.557000110002309TV54914545100361.58486.51.343812.92.6248002309.54914545100361.584.21.195416.31.55700011000.C35491505090201.177.60.52622.88.153.328500120001210TV5783505090201.177.60.51622.88.153.32850012000.C35783505090201.177.60.86622.88.153.32560011210TV5783505090231.1810.556289.52.74800095002210TV5783505090231.177.7800.60622.88.153.3253002210.5783505090231.1810.543289.52.7480009500.C35783505090231.177.7800.59322.88.153.3253002210K..C35783505011027291.91.5441.514.32.736700100001310TV6199505011027291.91.5241.514.32.73670010000.C361995050110402921.6364201.546300100002210TV6199505011040291.8961.8241.514.32.7343002310.61995050110402921.5964201.54630010000.C361995555100211.586.90.69327103.477500110001211TV64915555100211.586.90.68227103.47750011000.C364915555100211.586.91.1327103.47500011211TV64915555100251.5900.7463912.73.06670090002211TV64915555100251.586.988.90.82527103.4748002211.64915555100251.5900.733912.73.0667009000.C364915555100251.586.988.90.80827103.4748002211K..C364915555120292101.61.5751182.79600095001311TV661095555120292101.61.5551182.7960009500.C3661095555120432100.72.077523.61.58560095002311TV661095555120432101.81072.2751182.7938002311.661095555120432100.72.027523.61.5856009500.C3661096060110221.595.80.8943011.63.646700100001212TV691016060110221.595.80.883011.63.64670010000.C3691016060110221.595.81.513011.63.64450011212TV691016060110281.598.81.0547.516.62.82630085002212TV691016060110281.595.898.51.133011.63.6443002212.691016060110281.598.81.0347.516.62.8263008500.C3691016060110281.595.898.51.053011.63.6443002212K..C3691016060130312.1112.21.975720.82.9530090001312TV721186060130312.1112.21.945720.82.953009000.C3721186060130462.1109.12.5886.5281.62500085002312TV721186060130462.1109.12.5286.5281.6250008500.C3721186565120231.5103.21.143112.53.74630090001213TV741116565120231.5103.21.133112.53.7463009000.C3741116565120311.5107.51.365719.32.92530080002213TV741116565120311.5103.2106.61.533112.53.7440002213.741116565120311.5107.51.335719.32.9253008000.C3741116565120311.5103.2106.61.53112.53.7440002213K..C3741116565140332.1118.82.446222.82.885000085001313TV771286565140332.1118.82.416222.82.88500008500.C3771286565140482.1118.93.239532.51.7480080002313TV771286565140482.1118.93.169532.51.748008000.C3771287070125241.5106.61.2534.513.73.52600090001214TV791167070125241.5106.61.2334.513.73.5260009000.C3791167070125311.5108.61.744172.45850075002214M791167070125311.5106.7111.31.5934.513.73.5238002214.791167070150352.1126.43.227527.52.93700080001314M821387070150512.1127.24.3811037.51.73630075002314M821387575130251.5114.11.343915.63.48560085001215TV841217575130251.5114.11.323915.63.4856008500.C3841217575130311.5114.31.644182.59530070002215TV841217575130311.5114.31.644182.5953007000.C3841217575160372.1134.83.8680302.9630075001315M871487575160372.1134.83.8180302.9630075001315K.M.C3871487575160552.1146.75.3312242.51.72600070002315M3871487575160552.1146.75.2112242.51.72600070002315K.M.C3871488080140262122.11.6540174.08500080001216TV911298080140262122.11.6240174.0850008000.C3911298080140332120.82.0149202.6500067002216TV911298080140332120.81.9749202.650006700.C3911298080170392.1144.34.568832.53600070001316M921588080170392.1144.34.58832.53600070001316K.M.C3921588080170582.1144.56.31137481.78560063002316M921588080170582.1144.56.18137481.78560063002316K.M.C3921588585150282130.42.074920.43.91480080001217TV961398585150282130.42.034920.43.9148008000.C39613985851503621302.7958.523.62.58700067002217TV9613985851503621302.7358.523.62.58700067002217K.M.C39613985851804131525.3998383.02560067001317M9916685851804131525.3298383.02560067001317K.M.C3991668585180603153.37.35140511.76530060002317M991668585180603153.37.36140511.76530060002317K.M.C3991669090160302138.72.525723.63.92450075001218TV1011499090160302138.72.485723.63.9245007500.C31011499090160402139.33.1869.528.52.44430063002218TV1011499090160402139.33.1869.528.52.4443006300.C31011499090190433159.96.34108432.97530063001318M1041769090190433159.96.26108432.97530063001318K.M.C310417690901906431618.78153571.71500056002318M10417690901906431618.6153571.71500056002318K.M.C31041769595170322.1148.23.3264273.91600070001219M1071589595170322.1148.23.2864273.91600070001219K.M.C31071589595170432.1148.64.3383342.43600060002219M1071589595170432.1148.64.2483342.43600060002219K.M.C31071589595200453170.57.29132512.86500060001319M1091869595200453170.57.2132512.86500060001319K.M.C31091869595200673168.510.2163641.74480053002319M1091869595200673168.59.97163641.74480053002319K.M.C3109186100100180342.1155.23.9969.5293.75560067001220M112168100100180342.1155.23.9469.5293.75560067001220K.M.C3112168100100180462.1156.85.219840.52.44560056002220M112168100100180462.1156.85.19840.52.44560056002220K.M.C3112168100100215473182.69.0614358.52.81480056001320M114201100100215473182.68.9514358.52.81480056001320K.M.C311420110010021573318312.9193781.75450050002320M11420110010021573318312.7193781.75450050002320K.M.C3114201105105190362.1164.44.7575323.71530063001221M117178105105225493191.310.315665.52.88450053001321M119211110110200382.1173.85.5788383.78500060001222M122188110110200382.1173.85.4988383.78500060001222K.M.C3122188110110200532.1174.17.45125522.33500053002222M122188110110200532.1174.17.27125522.33500053002222K.M.C3122188110110240503203.212.3163712.92450048001322M124226110110240503203.212.2163712.92450048001322K.M.C312422611011024080320318.1216951.77430045002322M12422611011024080320317.5216951.77430045002322K.M.C3124226120120215422.1187.37.13120533.25480056001224M132203130130230463200.18.67125563.4450053001226M144216140140250503221.211.2163753.19430050001228M154236150150270543237.814.618086.53.04380045001230M16425617201747141800024000.C320252052151600020000.C320252052181500017000.C3202520521895002205K..C320252062171400016000.C320252062241300015000.C325302562161400017000.C325302562201200014000.C3253025622080002206K..C325302572191100014000.C325302572271000014000.C330353072171200015000.C33035307223950013000.C3303530722370002207K..C33035308021950013000.C33035308031900013000.C335403580181000013000.C33540358023900011000.C3354035802363002208K..C33540359023850012000.C33540359033800012000.C34045408519900013000.C34045408523850010000.C3404540852356002209K..C340454010025750011000.C340454010036700011000.C34550459020850012000.C3455045902380009500.C3455045902353002210K..C345504511027670010000.C345504511040630010000.C350555010021750011000.C35055501002567009000.C35055501002548002211K..C35055501202960009500.C35055501204356009500.C355605511022670010000.C35560551102863008500.C35560551102843002212K..C35560551303153009000.C35560551304650008500.C36065601202363009000.C36065601203153008000.C36065601203140002213K..C36065601403350008500.C36065601404848008000.C36070601252460009000.C36575651302556008500.C36575651303153007000.C365756516037630075001315K.M.C365756516055600070002315K.M.C37080701402650008000.C37080701403350006700.C370807017039600070001316K.M.C370807017058560063002316K.M.C37585751502848008000.C37585751503670006700.C375857518041560067001317K.M.C375857518060530060002317K.M.C38090801603045007500.C38090801604043006300.C380908019043530053001318K.M.C380908019064500056002318K.M.C38595851703260007000.C38595851704360006000.C385958520045500060001319K.M.C385958520067480053002319K.M.C390100901803456006700.C390100901804656005600.C3901009021547480056001320K.M.C3901009021573450050002320K.M.C31001101002003850006000.C31001101002005350005300.C310011010024050450048001322K.M.C310011010024080430045002322K.M.C3)