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⮱  高速精密角接触球轴承,。0101彩票主要用于载荷较轻の高速旋转场合,。要求轴承高精度、高转速、低温升低振动和一定の使用寿命,。常作高速电主轴の支承件成对安装使用,。0101彩票是内表面磨床高速电主轴の关键配套件,。角接触球轴承分单列角接触球轴承和双列角接触球轴承,。角接触球轴承主要技术指标:1.轴承精度指标:超过GB/307.1-94P4级精度2.高速性能指标:dmN值1.3~1.8x106/min3.使用寿命平均:大于1500h

⮱  高速精密角接触球轴承,。有背对背、面对面和串联排列三种,。背对背(两轴承の宽端面相对)安装时,。轴承の接触角线沿回转轴线方向扩散,。可增加其径向和轴向の支承角度刚性,。抗变形能力最大;面对面(两轴承の窄端面相对)安装时,。轴承の接触角线朝回转轴线方向收敛,。其支承角度刚性较小,。由于轴承の内圈伸出外圈,。当两轴承の外圈压紧到一起时,。外圈の原始间隙消除,。可以增加轴承の预加载荷;串联排列(两轴承の宽端面在一个方向)安装时,。轴承の接触角线同向且平行,。可使两轴承分担同一方向の工作载荷,。但使用这种安装形式时,。0101彩票为了保证安装の轴向稳定性,。两对串联排列の轴承必须在轴の两端对置安装,。


型号原代号

外形尺寸(mm)

基本负荷(KN)极限转速(r/min)重量(KG)
dDBRsminR1smina脂润滑油润滑
71930C⓪1036930150210282138113131260034002.8
71930AC⓪1046930150210282156107126260034002.8
7030C⓪36130150225352.1143155171240032004.5
7030AC⓪46130150225352.1162147162240032004.5
7030B⓪66130150225352.11.196107119240032004.5
7230AC⓪462301502704531.1711902702000260012
B7230AC⓪1462301502704531.1711902702000260012
7230B⓪662301502704531.11111762022000260012
7330AC⓪463301503206541.5872804301800240026
7330B⓪663301503206541.51312453801800240026
71932C⓪1036932160220282140117144240032002.9
71932AC⓪1046932160220282158112138240032002.9
7032C⓪36132160240382.1146176195220030006
7032AC⓪46132160240382.1166164184220030006
B7032AC⓪146132160240382.1166164184220030006
7032B⓪66132160240382.11.1103129150220030006
7232C⓪362321602904831.1542003001800240014
7232AC⓪462321602904831.1761902801800240014
7232B⓪662321602901831.11181802151800240014
7332B⓪663321603406841.51392604001700220032
71934C⓪1036934170230282141120150220030003
71934AC⓪1046934170230282161112145220030003
7034C⓪36134170260422.11.150191221220028008.5
7034AC⓪46134170260422.11.171180210220028008.5
7034B⓪66134170260422.11.1111155185220028008.5
7234C⓪362341703105241.5582503001800240018.2
7234AC⓪462341703105241.5822352901800240018.2
B7234AC⓪1462341703105241.5822352901800240018.2
7234B662341703105241.51272002451800240018.2
7334B663341703607241.51473254101500200036
71936C103693618025033214515219122028004.5
71936AC1046936180250332167145180220028004.5
7036C36136180280462.11.1542182612000260011
7036AC46136180280462.11.1772072762000260011
7036B66136180280462.11.51191762162000260011
7236C362361803205241.5592503201700220019
7236AC462361803205241.5842403001700220019
7236B662361803205241.51312262881700220019
7336B6633618038075421563344411500200044
71938C1036938190260332147155200220028004.5
71938AC1046938190260332169150190220028004.5
7038C36138190290462.11.1552252702000260011
7038AC46138190290462.11.1792152602000260011
7038B66138190290462.11.11241802302000260011
7238B662381903405541.51392503201500200022
7338B6633819040078521642705051400190049
71940C1036940200280382.1151190240200026007.5
71940AC1046940200280382.1175180225200026007.5
7040C36140200310512.11.1602703551800240014.5
7040AC46140200310512.11.1852553301800240014.5
7240C362402003605841.5662803701500200027
7240AC462402003605841.5942703501500200027
7240B662402003605841.51462403201500200027
7340B6634020042080521704055901400180053
71944C1036944220300682147200270180024008
71944AC1046944220300682169190260180024008
7044C361442203405631.1663054101700220019.56
7044AC461442203405631.1942904001700220019.5
7044B661442203405631.11452303151700220019.5
7244AC462442204006541.51053204501400180037.5
7244B⓪662442204006541.51642904201400180037.5
7344B⓪6634422046088521874456501200160070
71948AC⓪1046948240320382.11.184195270170022009
7048C⓪361482403605631.1683154451500200021
7048AC⓪461482403605631.1983004201500200021
7048B⓪661482403605631.11542353401500200021
7248B⓪662482404407241.51803304901200160049
7348B⓪6634824050095522034306051100140088
71952AC⓪1046952260360462.11.1952003801400190015
7252B⓪6625226048080521954607101100140066
71956AC⓪1046956280380462.11.11192303451400180015.8
7056C⓪361562804206541.5743555502300170030
7056B⓪661562804206541.51792904501300170030
7256B⓪6625628050080522044707701100140070
7060B⓪661603004607441.51963405701100150043
7260B⓪662603005408552.12195008401000130087
7064B⓪661643204807441.52053556101100140045
7264B⓪66264320580925223656510109001200110
71968B⓪10669683404605691.11962704801100140027
7068B⓪6616834052082522234057351000230062
7268B⓪66268340620926324863512008501100125
71872AC⓪-360440382.11.11122153851100140012
71972B⓪10669723604805631.12042755001100140029
7072C⓪3617236054082521014509501000130063
7072B⓪6617236054082522305207651000130063
7272B⓪66272360650495632615851125700950145
71876AC⓪-380480462.11.11232654501000130018
71976AC⓪10469763805206541.51373706651000130043
71976B⓪10669763805206541.52213206301000130043
72976AC⓪20469763805208241.51464107301000130050
7076B⓪661763805608252238425795900120066
7080B⓪661804006009052255475920850110085
7280B⓪66280400720103632876601350600800190
71984B⓪10669844205606541.5238330605850110045
7084B⓪661844206209052263490955850110089
7088B⓪66188440650946327652010657501000100
71992AC⓪10469924606207441.5163460940750100058
7092B⓪66192460680100632895601165700950120
7096B⓪66196480700100632985651210670900125
70/500B⓪661/500500720100633065751260670900130
718/530AC⓪-5306505631.116637084067090040
719/530AC⓪10469/5305307108252186560121063085092
70/530B⓪661/530530780112633326701530600800180
718/600AC⓪-6007306031.1185425104060080047
719/600AC⓪10469/60060080090522086451560560750125
718/670AC⓪-6708206941.5208500116050067080
718/710AC⓪-7108707441.5221545147048063094
719/710AC⓪10469/710710950106632477701980450600195
718/750AC⓪-75092078522345851620450600100



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