{"product_id":"wholesale-pack-of-30-6801-2rs-sealed-full-cer","title":"Thirty Pack Sealed Full Ceramic 6801-2RS Ball Bearings Si3N4 12 mm Inner Diameter 21 mm Outer Diameter 5 mm Width for Industrial and Commercial Machinery High Performance Ceramic Bearings","description":"\u003cdiv\u003eSealed full-ceramic bearing 12x21x5mm pack of 30 Si3N4\u003cbr\u003e\n✔️ 12x21x5 mm bore (ID 12mm, OD 21mm, width 5mm), Si3N4 \u003cp\u003eA compact, high-performance bearing built from ceramic Si3N4, designed for dry, high-temperature operation in precision machinery. This 30-pack is ideal for maintenance, replacement, or batch installs in CNCs, robotics, and lab equipment where reliability and corrosion resistance matter.\u003c\/p\u003e ✅ Bearing type: sealed full ceramic ball bearing with Si3N4 races and PTFE cage\u003cbr\u003e\n✅ Size: 12x21x5 mm (ID 12 mm, OD 21 mm, width 5 mm)\u003cbr\u003e\n✅ Material: balls and races Si3N4 ceramic; cage PTFE\u003cbr\u003e\n✅ Pack: 30 bearings per order\u003cbr\u003e\n✅ Seal: RS\/2RS style for moisture and contamination resistance\u003cbr\u003e \u003cp\u003e💡 What is a sealed full ceramic bearing used for in precision machinery?\nHere's a handy quick guide:\n- High-precision, low-friction performance for CNC spindles and measurement gear\n- Excellent corrosion resistance and long life in dry or high-temperature settings\n- Minimal lubrication reliance due to ceramic surfaces, reducing maintenance\u003c\/p\u003e \u003c\/div\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43582871994603,"sku":"FULL6801-2RS-SI3N4-PTFE-30","price":1333.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/wholesale-pack-of-30-6801-2rs-sealed-full-ceramic-si3n4-bearing-12x21x5-vxb-ball-bearings-32681018327275.jpg?v=1770446721","url":"https:\/\/vxb.com\/products\/wholesale-pack-of-30-6801-2rs-sealed-full-cer","provider":"VXB Bearings","version":"1.0","type":"link"}