{"product_id":"6806-2rs-hybrid-ceramic-sealed-bal","title":"6806-2RS Hybrid Ceramic Sealed Ball Bearing 30x42x7mm","description":"\u003cp\u003e6806-2RS Hybrid Ceramic Sealed Ball Bearing\u003cbr\u003e✔️ 30mm ID - 42mm OD - 7mm Wide\u003c\/p\u003e\n\u003cp\u003eThe 6806-2RS is a high-performance hybrid ceramic ball bearing built with ZrO₂ ceramic balls and chrome steel races. Featuring C3 clearance, double rubber seals, and electric motor-grade quality, it's ideal for high-speed, low-friction applications like e-bikes, motors, precision tools, and demanding industrial systems.\u003c\/p\u003e\n\u003cp\u003e✅ Type: Deep groove radial ball bearing (hybrid ceramic)\u003cbr\u003e✅ Inside diameter: 30mm\u003cbr\u003e✅ Outside diameter: 42mm\u003cbr\u003e✅ Width: 7mm\u003cbr\u003e✅ Balls: Zirconia ceramic (ZrO₂)\u003cbr\u003e✅ Races: Chrome steel\u003cbr\u003e✅ Radial clearance: C3\u003cbr\u003e✅ Closures: Double rubber seals (2RS)\u003cbr\u003e✅ Lubrication: Pre-lubricated with grease\u003cbr\u003e✅ Quality: Electric motor-grade\u003cbr\u003e✅ Quantity: 1 bearing\u003cbr\u003e✅ Equivalents: 61806-2RS1, 61806RS1\u003cbr\u003e✅ Category: Hybrid ceramic bearings\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e6806-2RS Hybrid Ceramic Sealed Ball Bearing vs. 6806-2RS Chrome Steel Sealed Ball Bearing\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eHybrid Ceramic 6806-2RS\u003c\/th\u003e\n\u003cth\u003eChrome Steel 6806-2RS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInner Diameter (ID)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003ctd\u003e30 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOuter Diameter (OD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42 mm\u003c\/td\u003e\n\u003ctd\u003e42 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 mm\u003c\/td\u003e\n\u003ctd\u003e7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial - Races\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChrome Steel\u003c\/td\u003e\n\u003ctd\u003eChrome Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial - Balls\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZirconia Ceramic (ZrO₂)\u003c\/td\u003e\n\u003ctd\u003eChrome Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDouble Rubber Seals (2RS)\u003c\/td\u003e\n\u003ctd\u003eDouble Rubber Seals (2RS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLubrication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePre-lubricated with grease\u003c\/td\u003e\n\u003ctd\u003ePre-lubricated with grease\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigher than standard steel (low friction)\u003c\/td\u003e\n\u003ctd\u003eStandard speed rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWear Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExcellent – low wear due to ceramic balls\u003c\/td\u003e\n\u003ctd\u003eGood – more wear over time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeat Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigher – better for high-speed applications\u003c\/td\u003e\n\u003ctd\u003eLower – limited by grease and steel balls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCorrosion Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBetter due to ceramic balls\u003c\/td\u003e\n\u003ctd\u003eModerate – depends on environment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise\/Vibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLower – smooth and quiet operation\u003c\/td\u003e\n\u003ctd\u003eHigher – more susceptible to noise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSlightly lighter (due to ceramic balls)\u003c\/td\u003e\n\u003ctd\u003eHeavier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCost\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigher\u003c\/td\u003e\n\u003ctd\u003eLower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUse Case\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-performance, electric motors, racing\u003c\/td\u003e\n\u003ctd\u003eGeneral industrial and mechanical use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e💡 Why choose hybrid ceramic bearings with C3 clearance?\u003c\/p\u003e\n\u003cp\u003eCeramic balls reduce rolling resistance, heat, and wear.\u003cbr\u003eC3 clearance provides extra room for thermal expansion at high speeds.\u003cbr\u003ePerfect for applications needing high RPM, low noise, and extended bearing life.\u003c\/p\u003e\n\u003cp\u003eWhen you need serious performance in a slim profile - this 6806-2RS hybrid ceramic bearing gets the job done quietly and cleanly!\u003cbr\u003e\u003c\/p\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":49310700372161,"sku":"Kit7555","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/6806-2rs-bearing-hybrid-ceramic-sealed-30x42x7-vxb-ball-bearings_21440eca-b351-4df6-95f9-3c71e9bd04c7.jpg?v=1748646871","url":"https:\/\/smallbearings.com\/ko\/products\/6806-2rs-hybrid-ceramic-sealed-bal","provider":"Small Bearings","version":"1.0","type":"link"}