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YRT转台轴承

YRT标准系列

推力-向心组合结构,可同时承受双向轴向载荷、径向载荷和倾覆力矩。轴承上均布有安装孔,可使用螺栓直接对轴承固定;出厂时轴承已加有预载荷,安装无需调整游隙;YRT转台轴承系列适用于转速较低、运转周期较短、对刚性和精度要求高的场合,如回转工作台、分度头。


YRT转台轴承由一个推力/向心轴圈,一个推力垫圈,两个滚针保持架组件和一组向心圆柱滚子组成。 座圈和轴圈有均布的安装用螺钉孔。该型轴承具有高轴向和径向承载能力。高倾斜刚度和极高的精度。适用于回转工作台,卡盘和铣刀头以及测量和实验中的轴承配置。该型轴承对与之相配的设备零件的要求也较高。安装时需控制安装螺钉的扭紧力矩。

适用范围:被广泛应用于精密回转台立式磨床、分度头、滚齿机、铣齿机工件轴等精密装置。

参数:

YRT转台轴承(图1)

YRT转台轴承(图2)

公称型号外形尺寸固定孔内圈连接螺钉数量外圈吊装孔节距1)t  螺钉拧紧力矩基本额定载荷极限转速5)轴承摩擦力矩3)重量
轴向径向
dDHH1H2Cd1dndm内圈外圈
单位:mmdodsTs数量4)dL数量4)MA2)CaCoaCrCor脂润滑
mmmmG数量数量*tN  mKNr/minNm≈Kg
YRT505012630201010105631165.694.2105.6122//12*30°8.53815828.549.56002.51.6
YRT80801463523.3511.6512130921385.6104.2104.6122//12*30°8.55625542.510053032.4
YRT100100185382513121601121705.6105.4165.6152M5318*20°8.576.541547.512043034.1
YRT120120210402614121841351957116.2227212M8324*15°141125206912434075.3
YRT150150240402614122141652257116.2347332M8336*10°1411263056170320106.2
YRT180180280432914152441942607116.2467452M8348*7.5°1411871069.5200280127.7
YRT200200300453015152742152857116.2467452M8348*7.5°1412076581.5220260149.7
YRT2602603855536.518.5183452803659.3158.2349.3332M12336*10°341601060932902002018.3
YRT325325450604020204153424309.3158.2349.3332M12336*10°3427519301203451704025
YRT3953955256542.522.5204864155059.3158.2469.3452M12348*7.5°3430022801866551405533
YRT4604606007046242256048258010158.24610452M12348*7.5°3435528002007651207045
YRT5805807509060303070061072011.418114611.4422M12648*7.5°6849042502289658014089
YRT6506508701227844348006808301420134514423M12648*7.5°11610408000490180065200170
YRT850850109512480.543.5371018890105518.526175718.5543M16660*6°28410008650455173050600253
YRT95095012001328646401130990116018.526175718.5543M17660*6°284129011400530204040600312
YRT10301030130014592.552.54012151075125518.526176618.5666M18672*5°284138012000620265035800375
YRT120012001490164108565214101240144518.526176618.5666M19672*5°2841435128507452800251000450



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