{"product_id":"4mm-bore-bearing-12mm-pulley-u-groove-track","title":"4mm 内径轴承 - 12mm 皮带轮 U型槽轨道滚轮 4x12x4mm","description":"\u003cp\u003e4mm内孔带防护罩的U型槽滑轮轴承\u003cbr\u003e ✨ 轨道滚子球轴承 - 4mm x 12mm x 4mm\u003c\/p\u003e\n\u003cp\u003e这款紧凑型U型槽轨道滚子轴承配备4mm内孔和双层金属防护罩，有效防尘。非常适合小型轨道、滑动系统以及自动化或DIY项目中的轻量级导向应用。\u003c\/p\u003e\n\u003cp\u003e🟢 尺寸：4mm x 12mm x 4mm\u003cbr\u003e🟢 内径：4mm\u003cbr\u003e🟢 外径：12mm\u003cbr\u003e🟢 轮胎宽度：4mm\u003cbr\u003e🟢 槽型：U型槽\u003cbr\u003e🟢 防护罩：双层金属（ZZ）\u003cbr\u003e🟢 数量：1个轴承\u003cbr\u003e🟢 公差：±0.5mm\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":44723237159110,"sku":"U-GROOVE-4X12X4","price":10.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0685\/7375\/7638\/files\/4mm-bore-bearing-with-12mm-pulley-u-groove-track-roller-bearing-4x12x4mm-vxb-ball-bearings-1-32680783380715.jpg?v=1751315141","url":"https:\/\/bearings.net\/zh\/products\/4mm-bore-bearing-12mm-pulley-u-groove-track","provider":"Bearings.net","version":"1.0","type":"link"}