[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f_XZ9FU0OxIlFZUdrlLSn5sqTyuYlzgQf6ikMu3sPL6o":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":18,"related":19,"source":29,"type":30},[],"2025-12-06 07:47:59",252113258,[8,9,10],"30201","N204","5204",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},114,"5c34a338c5fcff823da4dd6721069ef1","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fddd73de758b7a0c022bc57c3384d02ec.png","机械设计基础与实践","work_48430886","新建作业20251118第一章","同时承受径向负荷和轴向负荷的轴承是( )",[20,31,40,43,51,60,69,77,85,90],{"answer":21,"createTime":5,"id":22,"options":23,"question":28,"source":29,"type":30},[],252113256,[24,25,26,27],"6208","N2208","30208","51208","在下列四种型号的滚动轴承中,只能承受轴向载荷的是 ( )","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":29,"type":30},[],252113257,[35,36,37,38],"7211C","70211AC","7255C","70255AC","角接触球轴承,内径55mm,尺寸代号02,公称接触角α=25°则其基本代号( )",{"answer":41,"createTime":5,"id":6,"options":42,"question":18,"source":29,"type":30},[],[8,9,10],{"answer":44,"createTime":5,"id":45,"options":46,"question":50,"source":29,"type":30},[],252113259,[47,48,49],"内径尺寸相同,外径尺寸也相同,宽度不相同","内径尺寸相同,外径尺寸和宽度尺寸不相同","内径、外径、宽度尺寸都不同","滚动轴承代号中,自右至左第三位数的代表意义是( )",{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":29,"type":30},[],252113260,[55,56,57,58],"基孔制动配合","基孔制过渡配合","基轴制动配合","基轴制过渡配合","滚动轴承的外圈与机架内孔的正确配合是( )",{"answer":61,"createTime":5,"id":62,"options":63,"question":68,"source":29,"type":30},[],252113261,[64,65,66,67],"基孔制","基轴制","基圆制","随意","一般情况下,滚动轴承的内圈与轴颈的配合采用( )",{"answer":70,"createTime":5,"id":71,"options":72,"question":76,"source":29,"type":30},[],252113262,[73,74,75],"内径","外径","宽度","与滚动轴承配合的轴段直径,必须符合滚动轴承的( )标准系列",{"answer":78,"createTime":5,"id":79,"options":80,"question":83,"source":29,"type":84},[],252113263,[81,82],"正确","错误","滚动轴承的主要失效形式有疲劳点蚀、塑性变形和磨损三种.( )",3,{"answer":86,"createTime":5,"id":87,"options":88,"question":89,"source":29,"type":84},[],252113264,[81,82],"轴承7203的内径是15mm.( )",{"answer":91,"createTime":5,"id":92,"options":93,"question":94,"source":29,"type":84},[],252113265,[81,82],"最常用的滚动轴承润滑剂为润滑脂.( )"]