{"product_id":"wholesale-pack-of-20-full-ceramic-miniature-6-6668","title":"20 Pack Full Ceramic Miniature Bearings 684-2RS Sealed Si3N4 Ball Bearings 4x9x4mm, PTFE Cage, High Precision, Low Friction For Hobby, Robotics, CNC, And Precision Machinery Ideal For Micro Linear Guides, Drones, RC Models, 3D Printers","description":"\u003cdiv\u003eWholesale Full Ceramic 4x9x4mm Ball Bearings, 20-Pack\u003cbr\u003e\n✔️ Full ceramic 4x9x4mm bearings, Si3N4 balls, sealed, 20 pcs \u003cp\u003eThese sealed full ceramic bearings are lightweight, ultra-precise parts designed for hobby, robotics, and small machinery. They handle high speeds and harsh environments where corrosion resistance matters.\u003c\/p\u003e \u003cp\u003e✅ Bearing type: full ceramic 684-2RS sealed\u003cbr\u003e✅ Ball material: Si3N4 ceramic\u003cbr\u003e✅ Cage material: PTFE\u003cbr\u003e✅ Inner\/outer races: Si3N4 ceramic\u003cbr\u003e✅ Dimensions: 4x9x4 mm (ID 4 mm, OD 9 mm, width 4 mm)\u003cbr\u003e✅ Pack size: 20 bearings per pack\u003c\/p\u003e \u003cp\u003e💡 What is a ceramic ball bearing used for?\nCeramic bearings are handy in tough environments. They provide fast, smooth motion with reduced heat and corrosion risk.\n- Ideal for high-speed spindles and precision gear work\n- Great for non-magnetic, clean-room setups\n- Helpful in wet or acidic conditions \u003c\/p\u003e\n\u003c\/div\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43582886674667,"sku":"FULL-684-2RS-CERAMIC-SI3N4-20","price":688.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/wholesale-pack-of-20-full-ceramic-miniature-684-2rs-sealed-si3n4-miniature-ball-bearing-4x9x4-vxb-ball-bearings-32681019998443.jpg?v=1770446700","url":"https:\/\/vxb.com\/products\/wholesale-pack-of-20-full-ceramic-miniature-6-6668","provider":"VXB Bearings","version":"1.0","type":"link"}