{"product_id":"684tn9-bearing-open-4x9x4-miniature","title":"Open Miniature Ball Bearing 4x9x4 Mm In Chrome Steel 52100 Deep Groove Open Type For Precision Small Machinery And RC Projects With Inner Diameter 4 Mm Outer Diameter 9 Mm And Width 4 Mm","description":"\u003cdiv\u003eCompact 4x9x4 mm Open Ball Bearing 684TN9\u003cbr\u003e\n✔️ 4mm bore x 9mm OD x 4mm width; 52100 chrome steel, nylon cage \u003cp\u003eThis is a small open ball bearing sized 4x9x4 mm, produced from 52100 chrome steel with a nylon cage. Open bearings are a common choice in micro-machinery, hobby robotics, RC gearboxes, and other compact precision setups where easy lubrication access and cooling are important.\u003c\/p\u003e \u003cp\u003e✅ Size: 4 x 9 x 4 mm; open deep-groove with nylon cage\u003cbr\u003e✅ ID 4 mm, OD 9 mm, width 4 mm\u003cbr\u003e✅ Material: 52100 chrome steel for durability\u003cbr\u003e✅ Dynamic load Cr: 640 N; Static Cor: 230 N\u003cbr\u003e✅ Lubrication: grease up to 59,000 RPM; oil up to 70,000 RPM\u003cbr\u003e✅ Pack size: 1 bearing\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a small open ball bearing used for in precision hobby projects? Handy, practical answer.\n- micro-drive assemblies for tiny gear trains and positioning stages\n- RC models, drones, and robotics needing smooth rotation and easy lubrication\n- compact gearboxes and pivots in tight spaces\n- lightweight, open bearing options for cooling and maintenance\u003c\/p\u003e\n\u003c\/div\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43547576926443,"sku":"Kit14011","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/684tn9-bearing-open-4x9x4-miniature-vxb-ball-bearings-1.jpg?v=1773399803","url":"https:\/\/vxb.com\/products\/684tn9-bearing-open-4x9x4-miniature","provider":"VXB Bearings","version":"1.0","type":"link"}