[{"data":1,"prerenderedAt":92},["ShallowReactive",2],{"\u002Fen\u002Fglossary\u002Fcrossed-roller-bearing":3},{"id":4,"title":5,"alternateName":6,"body":7,"description":82,"extension":83,"keywords":84,"meta":85,"navigation":86,"path":87,"seo":88,"stem":89,"updated":90,"__hash__":91},"glossary\u002Fglossary\u002Fen\u002Fcrossed-roller-bearing.md","Crossed Roller Bearing","交叉滚子轴承",{"type":8,"value":9,"toc":77},"minimark",[10,15,24,29,36,69],[11,12,14],"h1",{"id":13},"what-is-a-crossed-roller-bearing","What Is a Crossed Roller Bearing?",[16,17,18,19,23],"p",{},"A ",[20,21,22],"strong",{},"crossed roller bearing"," is a precision bearing whose cylindrical rollers alternate orientation at 90° to each other inside a V-shaped raceway. Because adjacent rollers face opposite directions, one bearing simultaneously carries radial loads, bidirectional axial loads, and overturning (moment) loads.",[25,26,28],"h2",{"id":27},"why-robot-joints-prefer-it","Why Robot Joints Prefer It",[16,30,31,32,35],{},"Standard deep-groove ball bearings mainly take radial load; covering combined loads usually requires paired bearings and a bigger structure. Robot joint loads are inherently combined — a humanoid hip joint simultaneously supports body weight (axial), leg-swing centrifugal force (radial), and the bending moment of a cantilevered leg (overturning). A crossed roller bearing handles ",[20,33,34],{},"all three load types in a single bearing position",":",[37,38,39,46,58],"ul",{},[40,41,42,45],"li",{},[20,43,44],{},"High stiffness",": roller line contact resists deformation better than ball point contact.",[40,47,48,51,52,57],{},[20,49,50],{},"High rotational precision",": a stable reference for output-side measurement by ",[53,54,56],"a",{"href":55},"\u002Fen\u002Fglossary\u002Fdual-absolute-encoder","dual absolute encoders",".",[40,59,60,63,64,68],{},[20,61,62],{},"Space savings",": the single-bearing design keeps ",[53,65,67],{"href":66},"\u002Fen\u002Fglossary\u002Fjoint-motor","joint motors"," thinner and lighter.",[16,70,71,72,76],{},"The BXI ",[53,73,75],{"href":74},"\u002Fen\u002Fmotors\u002Fadvanced-motors","85\u002F70\u002F50-series joint motors"," fit crossed roller bearings at the output across the whole lineup, from load-bearing legs to dexterous arms.",{"title":78,"searchDepth":79,"depth":79,"links":80},"",2,[81],{"id":27,"depth":79,"text":28},"A crossed roller bearing alternates cylindrical rollers at 90° in a V-shaped raceway, letting a single bearing carry radial, axial, and moment loads simultaneously — giving robot joints high stiffness and rotational precision.","md","crossed roller bearing, robot bearing, joint stiffness, moment load",{},true,"\u002Fglossary\u002Fen\u002Fcrossed-roller-bearing",{"title":5,"description":82},"glossary\u002Fen\u002Fcrossed-roller-bearing",null,"KoMUdgdok7QNxJjSWGk9TwhPtuw-cktDynA8ZmwxPIU",1783425867070]