{"product_id":"6903-2rs-zro2-si3n4-full-ceramic-bearing-ptfe","title":"Full Ceramic Bearing With ZrO2 Si3N4 Construction And PTFE Based Grease, 17 Mm Bore, 30 Mm Outer Diameter, 7 Mm Width, 6903 2RS Style, High Precision, Low Friction, Corrosion Resistant For Industrial And Commercial Applications","description":"\u003cdiv\u003eSingle 6903-2RS Ceramic Bearing 17x30x7 mm with PTFE Grease\u003cbr\u003e\n✔️ 17 mm bore, 30 mm OD, 7 mm width; ceramic ZrO2\/Si3n4 \u003cp\u003eThis is a full ceramic bearing with ZrO2 inner\/outer races and Si3n4 ceramic balls, optimized for low friction, high wear resistance, and stability across wide temperatures. It comes pre-lubricated with PTFE-based grease, making it ready for sealed ball bearing applications in precision machinery, robotics, and industrial equipment.\u003c\/p\u003e \u003cp\u003e\n✅ Si3n4 ceramic balls for extreme hardness and wear resistance\u003cbr\u003e\n✅ ZrO2 ceramic inner and outer races for tight tolerances\u003cbr\u003e\n✅ PTFE-based grease provides low friction and wide temp range\u003cbr\u003e\n✅ 17x30x7 mm size fits common compact mounts\u003cbr\u003e\n✅ 1 bearing per pack\u003cbr\u003e\n\u003c\/p\u003e \u003cp\u003e💡 What is a ceramic bearing used for in high-load machinery? This handy overview helps explain typical roles and benefits. - high-load capacity with ceramic races and balls\n- low friction with PTFE grease for smooth operation\n- excellent wear resistance in tough environments\n- precision alignment for linear motion systems such as slides and guides\u003c\/p\u003e \u003c\/div\u003e","brand":"VXB","offers":[{"title":"Default Title","offer_id":43583314690283,"sku":"FULL6903-2RS-ZRO2-SI3N4-PTFE","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/6903-2rs-zro2si3n4-full-ceramic-bearing-ptfe-based-grease-vxb-ball-bearings-1-32681211625707.jpg?v=1770446978","url":"https:\/\/vxb.com\/products\/6903-2rs-zro2-si3n4-full-ceramic-bearing-ptfe","provider":"VXB Bearings","version":"1.0","type":"link"}