{"product_id":"6mm-bore-bearing-21mm-round-nylon-pulley-u-g","title":"6毫米内径轴承 - 21毫米圆形尼龙滑轮 U型槽轨道滚轮 6x21x7毫米","description":"\u003cp\u003e6mm孔径尼龙U型槽滑轮，配备\u003cbr\u003e ✨ 内置轨道滚轮轴承 - 6x21x7mm\u003c\/p\u003e\n\u003cp\u003e这是一款单个U型槽尼龙滑轮，内径6mm，内置钢球轴承。常用于滑动门、3D打印机、轨道系统及自动化设备，确保平稳导向运动。\u003c\/p\u003e\n\u003cp\u003e🟢 尺寸：6mm x 21mm x 7mm\u003cbr\u003e🟢 内径（孔径）：6mm\u003cbr\u003e🟢 外径：21mm\u003cbr\u003e🟢 轮胎宽度：7mm\u003cbr\u003e🟢 滑轮材质：白色尼龙\u003cbr\u003e🟢 集成钢球轴承\u003cbr\u003e🟢 风格：U型槽圆形轨道\u003cbr\u003e🟢 数量：1个轴承\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":44723021447366,"sku":"6X21-UGROOVE-PULLEY-BEARING","price":10.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/7375\/7638\/files\/6mm-bore-bearing-with-21mm-round-nylon-pulley-u-groove-track-roller-bearing-6x21x7mm-vxb-ball-bearings-1-32680221737195.jpg?v=1751315061","url":"https:\/\/bearings.net\/zh\/products\/6mm-bore-bearing-21mm-round-nylon-pulley-u-g","provider":"Bearings.net","version":"1.0","type":"link"}