{"product_id":"wholesale-pack-of-30-full-ceramic-638-2rs-zro","title":"30 Pack Full Ceramic 638-2RS ZrO2 Miniature Ball Bearings 8x28x9mm High Performance Precision Bearings With PTFE Cage For Reduced Friction Long Lifespan And High Rigidity Suitable For Micro Motors Robotics Jewelry Making And Hobbies","description":"\u003cdiv\u003e30-Pack Full Ceramic 638-2RS Zirconia Bearings 8x28x9mm\u003cbr\u003e\n✔️ 30-pack of full ceramic 638-2RS, 8x28x9mm, ZrO2 balls \u003cp\u003eThese miniature bearings use zirconia ceramic balls and zirconia races with a PTFE cage, delivering low friction, corrosion resistance, and long life in precision machines, robotics, and high-speed gear systems.\u003c\/p\u003e \u003cp\u003e✅ Inner diameter 8 mm, outer diameter 28 mm, width 9 mm\u003cbr\u003e\n✅ Ball material: zirconia ceramic; races: zirconia ceramic\u003cbr\u003e\n✅ Cage: PTFE; seal type: 2RS (rubber sealed)\u003cbr\u003e\n✅ Pack size: 30 bearings per pack\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a ceramic ball bearing used for in precision machinery?\u003c\/p\u003e\n\u003cp\u003eThey’re handy in high-speed, clean environments where low friction and corrosion resistance matter.\u003c\/p\u003e\n\u003cp\u003e- High-speed spindles and CNC equipment\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e- Medical and lab instruments with clean environments\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e- Aerospace and robotics requiring tight tolerances\u003cbr\u003e\u003c\/p\u003e \u003c\/div\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43582807048427,"sku":"FULL-638-2RS-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-638-2rs-zro2-miniature-ball-bearing-8x28x9mm-vxb-ball-bearings-32681011183851.jpg?v=1770446734","url":"https:\/\/vxb.com\/products\/wholesale-pack-of-30-full-ceramic-638-2rs-zro","provider":"VXB Bearings","version":"1.0","type":"link"}