{"product_id":"s6903-2rs-premium-abec-7-si3n4-c3","title":"S6903-2RS PREMIUM ABEC-7 SI3N4 C3 NON Contact Seal PA66 Cage","description":"\u003cp\u003eS6903-2RS Hybrid Ceramic Sealed Ball Bearing\u003cbr\u003e✔️ ABEC-7 – 17mm x 30mm x 7mm – Si₃N₄ Balls \u0026amp; Stainless Steel Rings\u003c\/p\u003e\n\u003cp\u003eThe S6903-2RS is a premium hybrid ceramic ball bearing featuring precision ABEC-7 tolerances and non-contact rubber seals. It combines stainless steel races with ultra-lightweight, high-speed silicon nitride (Si₃N₄) ceramic balls. Ideal for high-performance electric motors, e-mobility, robotics, and aerospace systems. This listing is for one bearing.\u003c\/p\u003e\n\u003cp\u003e✅ Bearing type: Deep groove hybrid ceramic ball bearing\u003cbr\u003e✅ Model: S6903-2RS\u003cbr\u003e✅ Inner diameter: 17mm\u003cbr\u003e✅ Outer diameter: 30mm\u003cbr\u003e✅ Width: 7mm\u003cbr\u003e✅ Balls: Silicon nitride (Si₃N₄) ceramic\u003cbr\u003e✅ Rings: Stainless steel\u003cbr\u003e✅ Cage: PA66 (nylon)\u003cbr\u003e✅ Quality: ABEC-7 rated for ultra precision\u003cbr\u003e✅ Clearance: C3\u003cbr\u003e✅ Seals: Double non-contact rubber seals\u003cbr\u003e✅ Lubrication: SRL grease (self-lubricated)\u003cbr\u003e✅ Quantity: 1 bearing\u003c\/p\u003e\n\u003cp\u003e💡 Why choose Si₃N₄ ceramic hybrid bearings for high-speed applications?\u003cbr\u003eSi₃N₄ ceramic balls are lighter, harder, and smoother than steel, resulting in lower friction, cooler operation, and extended service life. Combined with stainless steel rings and ABEC-7 precision, these bearings offer peak performance in high-RPM, low-noise, and demanding environments.\u003c\/p\u003e\n\u003cp\u003eBuilt for speed and engineered for precision  -  grab this hybrid ceramic bearing and take your setup to the next level!\u003cbr\u003e\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49313174257857,"sku":"S6903-2RS-SI3N4-C3-BEARING","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/s6903-2rs-premium-abec-7-si3n4-c3-non-contact-seal-pa66-cage-vxb-ball-bearings-1-32681025863915_e1f464bc-8670-4eb4-af49-6fa145b2269c.jpg?v=1748647335","url":"https:\/\/smallbearings.com\/sv\/products\/s6903-2rs-premium-abec-7-si3n4-c3","provider":"Small Bearings","version":"1.0","type":"link"}