{"product_id":"zro2-full-ceramic-ball-bearing-double-shielded-2rs","title":"ZrO2 Full Ceramic Bearing Double Shielded Roller Ball Bearings Various Sizes","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eZrO2 Full Ceramic Ball Bearings — Corrosion-Resistant Double-Shielded Precision Rolling Elements\u003c\/h2\u003e\n\u003cp\u003eEngineers, hobbyists, and maintenance professionals who work in wet, chemically aggressive, or electrically sensitive environments know the frustration of steel bearings that corrode, seize, or conduct stray currents. These ZrO2 full ceramic ball bearings are built specifically for those conditions — delivering reliable rotation where conventional steel bearings fail prematurely.\u003c\/p\u003e\n\u003cp\u003eEach bearing is manufactured from zirconium dioxide (ZrO2) ceramic for both the inner and outer rings and the rolling balls. The double-seal configuration (2RS or CE-2RS depending on series) retains lubrication and excludes contaminants. Available across four series — 6000, 6200, 6800, and 6900 — with bore diameters ranging from 10 mm (0.39 in) to 40 mm (1.57 in) and outer diameters from 19 mm (0.75 in) to 68 mm (2.68 in).\u003c\/p\u003e\n\u003cp\u003eTypical applications include food-processing conveyor rollers where washdown chemicals are present, RC vehicle wheel hubs requiring non-magnetic bearings for sensor accuracy, pump shafts exposed to saltwater or mild acids, and medical or laboratory equipment where electrical isolation is critical.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e Compatible with standard metric bearing housings and shafts. Verify bore diameter and outer diameter against your housing spec before ordering. Series 6900, 6800, 6200CE, and 6000 follow ISO 15 dimensional standards.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These ZrO2 Full Ceramic Ball Bearings\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔬\u003c\/span\u003e\u003cstrong\u003e100% ZrO2 Ceramic Construction\u003c\/strong\u003e\n\u003cp\u003eInner ring, outer ring, and balls are all zirconium dioxide ceramic — no steel components. Eliminates galvanic corrosion and provides electrical insulation up to several kV in dry conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cstrong\u003eDouble-Sealed (2RS \/ CE-2RS)\u003c\/strong\u003e\n\u003cp\u003eRubber contact seals on both sides retain factory grease and block dust, water, and fine particulates from reaching the raceway — extending service intervals in dirty or wet environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚗️\u003c\/span\u003e\u003cstrong\u003eChemical Resistance\u003c\/strong\u003e\n\u003cp\u003eZrO2 withstands exposure to mild acids, alkalis, and many solvents that would corrode carbon steel or even stainless steel bearings, making these suitable for chemical processing and food-grade washdown lines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🧲\u003c\/span\u003e\u003cstrong\u003eNon-Magnetic \u0026amp; Electrically Non-Conductive\u003c\/strong\u003e\n\u003cp\u003eIdeal for MRI-adjacent equipment, brushless motor sensor rings, and any application where stray magnetic fields or electrical conductivity through the bearing would cause interference or safety concerns.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003eWide Size Range — 4 Series\u003c\/strong\u003e\n\u003cp\u003e29 size variants across 6900, 6800, 6200CE, and 6000 series cover bore diameters from 10 mm to 40 mm, letting you source multiple bearing positions from a single listing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e\u003cstrong\u003eLower Density Than Steel\u003c\/strong\u003e\n\u003cp\u003eZrO2 ceramic is approximately 40% lighter than bearing steel by volume, reducing centrifugal loading at high RPM and contributing to lower operating temperatures in speed-critical applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — ZrO2 Ceramic Ball Bearings\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eZirconium Dioxide (ZrO2) — full ceramic (rings + balls)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeal Type\u003c\/th\u003e\n\u003ctd\u003eDouble rubber seal (2RS \/ CE-2RS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003e6900, 6800, 6200CE, 6000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore Diameter (d)\u003c\/th\u003e\n\u003ctd\u003e10 mm – 40 mm (0.39 in – 1.57 in) — See variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter (D)\u003c\/th\u003e\n\u003ctd\u003e19 mm – 68 mm (0.75 in – 2.68 in) — See variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth (B)\u003c\/th\u003e\n\u003ctd\u003e5 mm – 16 mm (0.20 in – 0.63 in) — See variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensional Standard\u003c\/th\u003e\n\u003ctd\u003eISO 15 metric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLubrication\u003c\/th\u003e\n\u003ctd\u003eFactory-greased (sealed, not re-greasable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003eTypically –20 °C to +120 °C (–4 °F to +248 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight per Bearing\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePacking Quantity\u003c\/th\u003e\n\u003ctd\u003e1 pcs per order unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right size bearing for my application?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the bore diameter (d) to your shaft diameter and the outer diameter (D) to your housing bore. The width (B) must fit within your housing depth. All dimensions are listed in each variant name in the format bore × OD × width (mm). If you are replacing an existing bearing, the series number (e.g., 6004) is stamped on the ring and directly corresponds to a variant in this listing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these bearings suitable for high-speed applications?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eZrO2 ceramic bearings generally support higher limiting speeds than equivalent steel bearings due to lower density and reduced centrifugal loading on the balls. However, the double rubber seal (2RS) introduces some drag compared to open or shield-only designs. For very high-speed spindle applications, confirm the specific speed rating against your RPM requirement. Contact us to confirm if you need exact speed data for a specific size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan these bearings handle saltwater or chemical exposure?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. ZrO2 ceramic is resistant to most dilute acids, alkalis, and salt solutions. The double rubber seal provides an additional barrier. These bearings are commonly used in marine, food-processing, and light chemical environments. For concentrated strong acids or oxidizing agents, contact us to confirm suitability before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the 6000-2RS, 6200CE-2RS, 6800, and 6900 series?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAll four series are deep-groove ball bearings with the same ZrO2 full ceramic construction. The series number defines the dimensional envelope: 6900 series has a thin cross-section (narrow width relative to bore), 6800 series is similarly thin but with slightly different OD ratios, 6200CE series has a medium cross-section suitable for moderate radial and axial loads, and 6000 series has a standard cross-section for general-purpose use. Choose based on the bore\/OD\/width combination that fits your housing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these bearings electrically non-conductive?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. ZrO2 ceramic is an electrical insulator. These bearings do not conduct current between the shaft and housing, making them suitable for applications where bearing currents (common in VFD-driven motors) or electrical isolation is required. They are also non-magnetic, which is important for sensor-adjacent or MRI-compatible equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo these bearings come pre-lubricated, and can I re-grease them?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes, each bearing is factory-greased before sealing. The double rubber seal (2RS) is a contact seal that is not designed to be removed and re-installed without risk of damage, so these bearings are not field-re-greasable. Under normal operating conditions within the rated temperature range, the factory grease provides adequate lubrication for the bearing's service life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I confirm the bearing fits before I install it?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBefore pressing the bearing onto the shaft or into the housing, verify three dimensions: bore diameter (d) against shaft diameter, outer diameter (D) against housing bore, and width (B) against housing depth. Standard interference fits for metric bearings apply — shaft tolerance typically k5 or m5 for rotating inner ring, housing tolerance H7 for stationary outer ring. If you are unsure of the fit class for your load conditions, contact us to confirm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e\n\u003cp\u003e🛒 Select your Size and Packing Quantity above, then add to cart.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"6900 \/ 10*22*6mm \/ 1 pcs","offer_id":52410001162514,"sku":"QMGLBZSJ057076x1","price":6.92,"currency_code":"USD","in_stock":true},{"title":"6901 \/ 12*24*6mm \/ 1 pcs","offer_id":52410001195282,"sku":"QMGLBZSJ057077x1","price":7.19,"currency_code":"USD","in_stock":true},{"title":"6902 \/ 15*28*7mm \/ 1 pcs","offer_id":52410001228050,"sku":"QMGLBZSJ057078x1","price":8.01,"currency_code":"USD","in_stock":true},{"title":"6903 \/ 17*30*7mm \/ 1 pcs","offer_id":52410001260818,"sku":"QMGLBZSJ057079x1","price":8.55,"currency_code":"USD","in_stock":true},{"title":"6904 \/ 20*37*9mm \/ 1 pcs","offer_id":52410001293586,"sku":"QMGLBZSJ057080x1","price":9.91,"currency_code":"USD","in_stock":true},{"title":"6905 \/ 25*42*9mm \/ 1 pcs","offer_id":52410001326354,"sku":"QMGLBZSJ057081x1","price":11.76,"currency_code":"USD","in_stock":true},{"title":"6906 \/ 30*47*9mm \/ 1 pcs","offer_id":52410001359122,"sku":"QMGLBZSJ057082x1","price":12.31,"currency_code":"USD","in_stock":true},{"title":"6800 \/ 10*19*5mm \/ 1 pcs","offer_id":52410001391890,"sku":"QMGLBZSJ057083x1","price":6.92,"currency_code":"USD","in_stock":true},{"title":"6801 \/ 12*21*5mm \/ 1 pcs","offer_id":52410001424658,"sku":"QMGLBZSJ057084x1","price":7.19,"currency_code":"USD","in_stock":true},{"title":"6802 \/ 15*24*5mm \/ 1 pcs","offer_id":52410001457426,"sku":"QMGLBZSJ057085x1","price":7.33,"currency_code":"USD","in_stock":true},{"title":"6803 \/ 17*26*5mm \/ 1 pcs","offer_id":52410001490194,"sku":"QMGLBZSJ057086x1","price":7.74,"currency_code":"USD","in_stock":true},{"title":"6804 \/ 20*32*7mm \/ 1 pcs","offer_id":52410001522962,"sku":"QMGLBZSJ057087x1","price":8.55,"currency_code":"USD","in_stock":true},{"title":"6805 \/ 25*37*7mm \/ 1 pcs","offer_id":52410001555730,"sku":"QMGLBZSJ057088x1","price":10.19,"currency_code":"USD","in_stock":true},{"title":"6806 \/ 30*42*7mm \/ 1 pcs","offer_id":52410001588498,"sku":"QMGLBZSJ057089x1","price":11.22,"currency_code":"USD","in_stock":true},{"title":"6200CE-2RS\/10*30*9mm \/ 1 pcs","offer_id":52410001621266,"sku":"QMGLBZSJ057090x1","price":9.37,"currency_code":"USD","in_stock":true},{"title":"6201CE-2RS\/12*32*10mm \/ 1 pcs","offer_id":52410001654034,"sku":"QMGLBZSJ057091x1","price":10.05,"currency_code":"USD","in_stock":true},{"title":"6202CE-2RS\/15*35*11mm \/ 1 pcs","offer_id":52410001686802,"sku":"QMGLBZSJ057092x1","price":10.05,"currency_code":"USD","in_stock":true},{"title":"6203CE-2RS\/17*40*12mm \/ 1 pcs","offer_id":52410001719570,"sku":"QMGLBZSJ057093x1","price":14.35,"currency_code":"USD","in_stock":true},{"title":"6204CE-2RS\/20*47*14mm \/ 1 pcs","offer_id":52410001752338,"sku":"QMGLBZSJ057094x1","price":18.56,"currency_code":"USD","in_stock":true},{"title":"6205CE-2RS\/25*52*15mm \/ 1 pcs","offer_id":52410001785106,"sku":"QMGLBZSJ057095x1","price":22.29,"currency_code":"USD","in_stock":true},{"title":"6206CE-2RS\/30*62*16mm \/ 1 pcs","offer_id":52410001817874,"sku":"QMGLBZSJ057096x1","price":31.76,"currency_code":"USD","in_stock":true},{"title":"6000-2RS\/10*26*8mm \/ 1 pcs","offer_id":52410001850642,"sku":"QMGLBZSJ057097x1","price":7.47,"currency_code":"USD","in_stock":true},{"title":"6001-2RS\/12*28*8mm \/ 1 pcs","offer_id":52410001883410,"sku":"QMGLBZSJ057098x1","price":7.47,"currency_code":"USD","in_stock":true},{"title":"6002-2RS\/15*32*9mm \/ 1 pcs","offer_id":52410001916178,"sku":"QMGLBZSJ057099x1","price":8.28,"currency_code":"USD","in_stock":true},{"title":"6003-2RS\/17*35*10mm \/ 1 pcs","offer_id":52410001948946,"sku":"QMGLBZSJ057100x1","price":9.51,"currency_code":"USD","in_stock":true},{"title":"6004-2RS\/20*42*12mm \/ 1 pcs","offer_id":52410001981714,"sku":"QMGLBZSJ057101x1","price":11.49,"currency_code":"USD","in_stock":true},{"title":"6005-2RS\/25*47*12mm \/ 1 pcs","offer_id":52410002014482,"sku":"QMGLBZSJ057102x1","price":13.12,"currency_code":"USD","in_stock":true},{"title":"6006-2RS\/30*55*13mm \/ 1 pcs","offer_id":52410002047250,"sku":"QMGLBZSJ057103x1","price":20.06,"currency_code":"USD","in_stock":true},{"title":"6008-2RS\/40*68*15mm \/ 1 pcs","offer_id":52410002080018,"sku":"QMGLBZSJ057104x1","price":46.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture6of6_be1a1981-b6e3-492c-a734-3a0ee403689b.jpg?v=1782358367","url":"https:\/\/homediyer.com\/products\/zro2-full-ceramic-ball-bearing-double-shielded-2rs","provider":"HomeDIYer","version":"1.0","type":"link"}