{"product_id":"61801-2rs1-hybrid-ceramic-bearing-si3n4-abec-5","title":"61801-2RS1 Hybrid Ceramic Bearing Si3N4 Sealed Premium ABEC-5 12x21x5mm","description":"\u003cp\u003eHybrid ceramic sealed ball bearing 12mm x 21mm x 5mm ABEC-5\u003cbr\u003e✔️ S61801-2RS premium Si3N4 ceramic ball bearing for smooth high-speed work\u003c\/p\u003e\n\u003cp\u003eThis single S61801-2RS hybrid ceramic bearing gives you stainless steel raceways paired with Si3N4 ceramic balls, a nylon cage, and double rubber seals for clean, low-friction rotation. Built to ABEC-5 precision with C3 clearance, it’s a handy choice for electric motors, 3D printers, performance equipment, and any setup that needs high speed with steady accuracy.\u003c\/p\u003e\n\u003cp\u003e✅ Metric size: 12mm ID x 21mm OD x 5mm width\u003cbr\u003e✅ Hybrid ceramic build with Si3N4 balls\u003cbr\u003e✅ Stainless steel races with nylon cage\u003cbr\u003e✅ Double rubber seals for contamination control\u003cbr\u003e✅ Premium ABEC-5 quality with EMQ smoothness\u003cbr\u003e✅ C3 radial clearance for high-speed running\u003cbr\u003e✅ Grease-lubricated and ready to install\u003cbr\u003e✅ Pack size: 1 bearing\u003c\/p\u003e\n\u003cp\u003eDimensions Table\u003cbr\u003eID: 12mm\u003cbr\u003eOD: 21mm\u003cbr\u003eWidth: 5mm\u003c\/p\u003e\n\u003cp\u003e💡 How does an ABEC-5 hybrid ceramic bearing improve high-speed performance?\u003cbr\u003eThe tighter tolerances and ceramic balls reduce friction while keeping rotation stable at elevated speeds.\u003cbr\u003e- Cuts heat buildup in continuous-run motors\u003cbr\u003e- Maintains smoother motion under light and medium loads\u003cbr\u003e- Helps boost efficiency in precision equipment\u003cbr\u003e- Offers longer service life compared to standard steel-ball bearings\u003c\/p\u003e\n\u003cp\u003eA sharp upgrade when your project needs fast, clean, and accurate rotation with minimal drag.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43545622184171,"sku":"Kit8567","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61801-2rs-bearing-12x21x5-si3n4-ceramic-sealed-premium-abec-5-bearings-vxb-ball-bearings-1.jpg?v=1770442363","url":"https:\/\/vxb.com\/products\/61801-2rs1-hybrid-ceramic-bearing-si3n4-abec-5","provider":"VXB Bearings","version":"1.0","type":"link"}