{"product_id":"4-lm12luu-linear-ball-bearings-12mm-id-21mm","title":"4个LM12LUU直线滚珠轴承，内径12毫米×外径21毫米×长度57毫米，超长滚珠轴承，双重密封，适用于3D打印机和数控滑动衬套，专为平稳运动、稳定对准和整洁安装设计","description":"\u003cp\u003eLM12LUU直线轴承，安装顺畅，配合紧密\u003cbr\u003e✔️ 4个LM12LUU直线轴承，内径12毫米×外径21毫米×长度57毫米，超长双密封球轴承\u003c\/p\u003e\u003cp\u003e这套4个装适合需要精准配合和平稳运转的替换或升级工作。\u003cbr\u003e\u003cbr\u003e✅ 型号：LM12LUU直线滚动轴承。内径12毫米\/0.472英寸\u003cbr\u003e✅ 外径21毫米\/0.827英寸\u003cbr\u003e✅ 总长度57毫米\/2.244英寸\u003cbr\u003e✅ 动载荷额定值 657牛顿\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 如何为数控机床选配丝杠套件以避免反向间隙？\u003cbr\u003e简答：根据轴向负载和速度匹配螺距、行程长度和支撑方式。\u003cbr\u003e* 螺距决定进给速度和扭矩需求\u003cbr\u003e* 适当的端部支撑确保负载下的对准紧密\u003cbr\u003e* 良好的润滑减少热量和磨损\u003cbr\u003e\u003cbr\u003e设计用于长时间生产中保持运动平稳和精度稳定。\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52222428774719,"sku":"VXB0FK5NPZ1Q","price":57.09,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/4pcs-lm12luu-linear-ball-bearings-double-seal.jpg?v=1772830281","url":"https:\/\/bearingscanada.com\/zh\/products\/4-lm12luu-linear-ball-bearings-12mm-id-21mm","provider":"Bearings Canada","version":"1.0","type":"link"}