{"product_id":"sfr2-5zz-flanged-hybrid-ceramic-si","title":"SFR2-5ZZ Flanged Hybrid Ceramic Si3N4 Bearing 1\/8\" x 5\/16\" x 0.14\"inch","description":"\u003cp\u003eSFR2-5ZZ Flanged Stainless Steel Bearing\u003cbr\u003e✔️ With Ceramic Balls • ABEC-5 Precision\u003c\/p\u003e\n\u003cp\u003eThe SFR2-5ZZ is a miniature flanged ball bearing built for high-performance applications. With ceramic Si3N4 balls inside a stainless steel raceway, this bearing delivers low friction, high RPM capability, and superior resistance to corrosion. Ideal for medical, instrumentation, RC, and high-speed micro-mechanics.\u003c\/p\u003e\n\u003cp\u003e✅ Inner Diameter: 3.175mm (1\/8\")\u003cbr\u003e✅ Outer Diameter: 7.938mm (5\/16\")\u003cbr\u003e✅ Width: 3.570mm (0.1405\")\u003cbr\u003e✅ Flanged Design for Easy Mounting\u003cbr\u003e✅ Balls: Silicon Nitride (Si3N4) Ceramic – ultra-smooth, non-conductive\u003cbr\u003e✅ Material: Stainless Steel Races – corrosion-resistant\u003cbr\u003e✅ Closures: Metal Shields (ZZ) – non-contact for reduced drag\u003cbr\u003e✅ Lubrication: Light Oil (Oil-12)\u003cbr\u003e✅ Clearance: C0 (standard)\u003cbr\u003e✅ Precision Grade: ABEC-5\u003cbr\u003e✅ Quantity: 1 Bearing\u003c\/p\u003e\n\u003cp\u003e💡 What are the advantages of ceramic balls in bearings?\u003cbr\u003eCeramic ball bearings offer:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eHigher speed ratings due to lower rotational mass and friction.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLonger life span, especially in poorly lubricated or corrosive environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNo electric arcing, making them ideal for electric motors and sensitive devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eNeed a tiny powerhouse bearing? The SFR2-5ZZ delivers pro-level precision in a small, reliable package!\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49310093770945,"sku":"Kit14103","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/sfr2-5zz-flanged-ceramic-si3n4-bearing-3-175x7-938x3-570-ball-bea-vxb-ball-bearings-1_f33e8b3b-d820-4690-a75c-953632655c3d.jpg?v=1748646758","url":"https:\/\/smallbearings.com\/zh\/products\/sfr2-5zz-flanged-hybrid-ceramic-si","provider":"Small Bearings","version":"1.0","type":"link"}