{"product_id":"4-80-4-00-8-flat-free-tire","title":"4.80\/4.00-8\" 无需充气轮胎和平轮，15\" 实心独轮手推车轮胎，3.00-4.00\/4.80-8\" 配备5\/8\"和3\/4\"轴承，3\" 中心轮毂，适用于手推车、园艺拖车、多功能手推车、院子用车，2个装，黑色，专为顺畅运动、稳定对齐和清洁设计","description":"\u003cp\u003e免充气轮胎轮组，安装顺畅，配合紧密\u003cbr\u003e✔️ 4.80\/4.00-8\" 免充气轮胎和轮组，15\" 实心独轮车轮胎，3.00-4.00\/4.80-8\" 配备5\/8\"和3\/4\"轴孔\u003c\/p\u003e\u003cp\u003e这套两件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✅ 轮胎和轮组规格型号：3.00\/3.25\/3.50\/4.80\/4.00-8\u003cbr\u003e✅ 轮胎直径：15\"\u003cbr\u003e✅ 轮胎宽度：3\"\u003cbr\u003e✅ 轴孔直径：5\/8\"\u003cbr\u003e✅ 中心轮毂：3\"，每个轮子承重能力达440磅，承重无忧。购买前请确认尺寸以确保与您的轮胎匹配\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e💡 如何选择端部支撑以保持滚珠丝杠在负载下的对准？\u003cbr\u003e简答：根据轴的负载和速度匹配螺距、行程长度和支撑类型。\u003cbr\u003e* 螺距决定进给速率和扭矩需求\u003cbr\u003e* 适当的端部支撑确保负载下的紧密对准\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运行中保持运动平稳和精度稳定。\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52222433198399,"sku":"VXB0DJ2VYP71","price":169.19,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/flat-free-tire-wheelbarrow-15-inch-2pcs.jpg?v=1772828844","url":"https:\/\/bearingscanada.com\/zh\/products\/4-80-4-00-8-flat-free-tire","provider":"Bearings Canada","version":"1.0","type":"link"}