718系列高精度角接触球轴承71840-MP洛阳东轴产品名称：718系列轴承钢：采用可使轴承寿命最高延长80%的超清洁钢润滑技术：东轴精密轴承采用的润滑脂及润滑技术可使轴承寿命延长并提高轴承性能。滚动体：钢球，陶瓷球保持架：胶木，尼龙，黄铜等各种保持架产品分类：角接触球轴承（15°接触角25°接触角）密封方式：开式●结构特点:以ISO为标准的LYDZZC精密轴承基础系列；套圈材料采用高纯净（电渣重熔）轴承钢，配合特殊的热处理工艺，冷处理工艺以及材料改性技术，使得该系列轴承疲劳寿命大幅度提高。●接触角:分15º和25º，成对使用可承受轴向负荷和径向负荷或合成负荷。●保持架：外圈引导的酚醛树脂夹布胶木保持架和滚动体引导的尼龙保持架可根据不同用途来选用。中高速工况推荐选用胶木保持架；500000≤DmN≤1000000时中低速工况可选用尼龙保持架或胶木保持架。●速度因子:以外圈引导酚醛树脂夹布胶木保持架为标准；●油脂润滑DmN≤1000000即极限转速N≤1000000/DmDm—轴承中径油（最少量）润滑DmN≤1500000●适用范围:此类轴承适用范围很广；主要用于中高转速的需要精密轴向定位和径向定位，高精度旋转等工况。例如：数控车床主轴，各类磨床工件轴，磨床砂轮主轴，光伏切片机，真空泵，风机，精密传动机械等。●LYDZC洛阳东轴结构特点:内外圈采用高纯净轴承钢或双真空高温耐热轴承钢，配合特殊的热处理工艺，冷处理工艺以及材料改性技术，使得该系列轴承疲劳寿命大幅度提高单列和双列滚子轴承都有圆柱孔和圆锥孔两种类型，在主轴上为了安装后比较容易调整径向内部游隙，提高主轴的旋转精度和径向刚度，一般采用圆锥孔轴承。●LYDZC洛阳东轴保持架：有两种：外圈引导的PEEK树脂保持架和滚动体引导的铜合金保持架；可根据不同用途来选用。高速单列圆柱滚子轴承采用PEEK保持架；使用极限温度240ºС。双列短圆柱滚子轴承采用滚动体引导的铜合金保持架；使用极限温度300ºСLYDZC详细尺寸参数：型号外型尺寸〆15º〆25º保持架材质极限转速极限转速内径外径高度额定载额脂油额定载额脂油CrCorGreaseOilCrCorGreaseOil71800C101951.81.1740001190001.71.169000109000胶木71801C122152.01.4690001090001.91.36200094000胶木71802C152452.21.859000890002.11.75300079000胶木71803C172552.31.952000790002.11.84900074000胶木71804C203273.93.444000660003.73.23900059000胶木71805C253774.24.137000550003.93.93300049000胶木71806C304274.44.831000470004.14.52700042000胶木71807C354774.65.525000390004.35.22300037000胶木71808C405274.86.223000370004.55.81900033000胶木71809C455874.96.719000330004.66.31700029000胶木71810C506577.410.017000290006.99.51500025000胶木71811C5572910.213.815000250009.613.11400023000胶木71812C60781013.418.0140002300012.617.01300021000胶木71813C65851013.418.8130002100012.617.81200019000胶木71814C70901013.820.3120001900013.019.11100018000胶木71815C75951014.221.7110001800013.320.51000017000胶木71816C801001014.523.1100001700013.621.88500015000胶木71817C851101321.532.290001600020.230.5800014000胶木71818C901151321.733.585001500020.431.6750013000胶木71819C951201321.934.780001400020.632.8750013000胶木71820C1001251322.537.075001300021.234.9700012000胶木71821C1051301322.738.375001300021.336.1700012000胶木71822C1101401631.851.670001200029.948.7650011000胶木71824C1201501633.156.9600001000031.353.757009000胶木71826C1301651838.767.65700900036.363.850008000胶木71828C1401751844.879.25000800042.074.746007500胶木71830C1501902051.292.04600750048.086.840006500胶木71832C1602002052.497.74000650049.292.238006000胶木71834C1702152266.5123.43800600062.4116.533005300胶木71836C18022522159.7249.135005700150.6235.930005000胶木71838C19024024159.7249.235015700150.6235.1030015000胶木71840C-MP20025024159.7249.335025700150.6235.1130025000胶木71844C22027024159.7249.435035700150.6235.1230035000胶木71848C24030028159.7249.535045700150.6235.1330045000胶木71852C26032028159.7249.635055700150.6235.1430055000胶木71856C28035033159.7249.735065700150.6235.1530065000胶木71860C30038038159.7249.835075700150.6235.1630075000铜71864C32040038159.7249.935085700150.6235.1730085000铜71868C34042038159.7249.1035095700150.6235.1830095000铜71872C36044038159.7249.1135105700150.6235.1930105000铜71876C38048046159.7249.1235115700150.6235.2030115000铜71880C40050046159.7249.1335125700150.6235.2130125000铜71884C42052046159.7249.1435135700150.6235.2230135000铜71888C44054046159.7249.1535145700150.6235.2330145000铜71892C46058056159.7249.1635155700150.6235.2430155000铜71896C48060056159.7249.1735165700150.6235.2530165000铜718/500C50062056159.7249.1835175700150.6235.2630175000铜洛阳东轴轴承71840-MP详细参数：d200mmD250mmB24mma77mmD1231,4mmDamax243mmDbmax245,4mmd1219,6mmdamin207mmr1min1mmramax1,5mmra1max1mmrmin1,5mmα30°接触m2,589kg质量Cr84000N基本额定动载荷，径向C0r123000N基本额定静载荷，径向Cur4800N疲劳极限载荷，径向nG38501/min极限转速nϑr21001/min参考钻速)