{"product_id":"wholesale-pack-of-30-full-ceramic-miniature-6-2243","title":"Pack Of 30 Full Ceramic Miniature Ball Bearings 684-2RS ZrO2 4x9x4mm, High Precision Low Friction Shielded Ceramic Bearings With PTFE Cage, Ideal For Micro Machines, Robotics, Hobbies, CNC, RC Models And Small Equipment","description":"\u003cdiv\u003eFull Ceramic Miniature 684-2RS Bearings, 4x9x4 mm\u003cbr\u003e\n✔️ 30-pack full ceramic miniature bearings, 4x9x4 mm, RS sealed \u003cp\u003eThese full ceramic 684-2RS miniature bearings use zirconia ceramic balls and zirconia races with a PTFE cage. They’re a top pick for precision gear systems, drones, robotics, and model crafting where lightweight, corrosion resistance, and smooth operation matter.\u003c\/p\u003e ✅ Inner diameter 4 mm\u003cbr\u003e\n✅ Outer diameter 9 mm\u003cbr\u003e\n✅ Width 4 mm\u003cbr\u003e\n✅ Ball material: zirconia ceramic (ZrO2); races: zirconia (ZrO2)\u003cbr\u003e\n✅ Cage material: PTFE\u003cbr\u003e\n✅ Pack size: 30 bearings\u003cbr\u003e \u003cp\u003e💡 What is a ceramic ball bearing used for in precision machinery?\nCeramic bearings are handy for high speed, low friction, and long life.\n- ideal for drones and micro robotics where weight matters\n- great in heat or moisture-prone environments due to ceramic materials\n- reduces wear and contamination in critical gear segments\n- suitable for high RPM applications requiring smooth, reliable motion\u003c\/p\u003e\n\u003c\/div\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43582811144427,"sku":"FULL-684-2RS-CERAMIC-ZR02-30","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/wholesale-pack-of-30-full-ceramic-miniature-684-2rs-zro2-miniature-ball-bearing-4x9x4-vxb-ball-bearings-32681011511531.jpg?v=1770446735","url":"https:\/\/vxb.com\/products\/wholesale-pack-of-30-full-ceramic-miniature-6-2243","provider":"VXB Bearings","version":"1.0","type":"link"}