{"product_id":"pom-plastic-bearing-deep-groove-ball-bearings-rs-2rs-sealed","title":"POM Plastic Bearing Deep Groove Ball Bearings RS\/2RS Single\/Double Sided Seal","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003ePOM Plastic Deep Groove Ball Bearings — Corrosion-Resistant Sealed Bearings for Demanding Environments\u003c\/h2\u003e\n\u003cp\u003eWhen metal bearings corrode, seize, or add unnecessary weight to your build, engineers and DIY builders turn to POM plastic deep groove ball bearings. These sealed bearings are designed for applications where moisture exposure, chemical contact, or electrical isolation rules out standard steel options — making them a reliable choice for food-processing equipment, water pumps, RC vehicles, 3D printers, and light-duty automation rigs.\u003c\/p\u003e\n\u003cp\u003eEach bearing is constructed from POM (polyoxymethylene \/ acetal) with a matching plastic cage and races, available in RS single-sided seal or 2RS double-sided seal configurations. Inner diameters span 8–40 mm (0.31–1.57 in) and outer diameters range from 19–80 mm (0.75–3.15 in), covering popular series including 608, 6000–6006, 6200–6208, 6800–6806, and 6900–6906.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include skateboard and inline skate wheels requiring corrosion resistance, aquatic robotics and underwater housings where steel would rust, conveyor rollers in wet or washdown environments, and 3D printer idler pulleys where low noise and electrical non-conductivity are priorities.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits standard metric bearing seats. Verify your shaft diameter and housing bore against the selected ID × OD × Thickness variant before ordering.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These POM Plastic Deep Groove Ball Bearings\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🧪\u003c\/span\u003e \u003cstrong\u003eCorrosion-Resistant POM Construction\u003c\/strong\u003e — Polyoxymethylene material resists moisture, mild acids, and alkalis where steel bearings would corrode and fail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e \u003cstrong\u003eElectrically Non-Conductive\u003c\/strong\u003e — Full plastic construction provides electrical isolation, suitable for applications where grounding through the bearing must be avoided.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔇\u003c\/span\u003e \u003cstrong\u003eLow Noise \u0026amp; Vibration\u003c\/strong\u003e — POM's inherent damping properties reduce operational noise compared to steel, beneficial in precision instruments and quiet-running machinery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e \u003cstrong\u003eRS \/ 2RS Sealed Options\u003c\/strong\u003e — RS single-sided seal protects one face; 2RS double-sided seal encloses the bearing on both sides for full contamination exclusion in dusty or wet conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003eWide Size Range — 608 to 6906 Series\u003c\/strong\u003e — Covers ID 8–40 mm and OD 19–80 mm across multiple series, enabling direct replacement or new-design fitment without custom machining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e \u003cstrong\u003eLightweight Design\u003c\/strong\u003e — Significantly lighter than equivalent steel bearings, reducing rotating mass in weight-sensitive assemblies such as drones, RC cars, and portable equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — POM Plastic Deep Groove Ball Bearings\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Type\u003c\/th\u003e\n\u003ctd\u003eDeep Groove Ball Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePOM (Polyoxymethylene \/ Acetal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeal Type\u003c\/th\u003e\n\u003ctd\u003eRS (Single Sided) \/ 2RS (Double Sided)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInner Diameter (ID)\u003c\/th\u003e\n\u003ctd\u003e8–40 mm (0.31–1.57 in) — See variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter (OD)\u003c\/th\u003e\n\u003ctd\u003e19–80 mm (0.75–3.15 in) — See variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e5–18 mm (0.20–0.71 in) — See variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Series\u003c\/th\u003e\n\u003ctd\u003e608, 6000–6006, 6200–6208, 6800–6806, 6900–6906\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003eTypically −40°C to +100°C (−40°F to +212°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLubrication\u003c\/th\u003e\n\u003ctd\u003eGrease pre-lubricated (sealed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConductivity\u003c\/th\u003e\n\u003ctd\u003eElectrically non-conductive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003eSee variant options\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 between RS (single seal) and 2RS (double seal)?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eChoose RS if only one face of the bearing is exposed to contamination or moisture — for example, when one side faces a sealed housing. Choose 2RS when both sides are exposed to dust, water, or debris, such as in outdoor equipment or washdown environments. 2RS provides more complete protection but may have marginally higher drag.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the load capacity of these POM plastic bearings compared to steel?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003ePOM plastic bearings have lower dynamic and static load ratings than equivalent steel bearings. They are suited for light-to-moderate radial loads in low-to-medium speed applications. For heavy-load or high-speed industrial use, steel bearings are recommended. Contact us to confirm suitability for your specific load requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these bearings suitable for use in water or wet environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. POM is inherently resistant to water absorption and does not rust, making these bearings well-suited for aquatic robotics, water pumps, marine equipment, and food-processing machinery where moisture contact is unavoidable. The sealed design further limits water ingress into the raceway.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these bearings as a direct replacement for standard steel deep groove ball bearings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eIn most cases, yes — provided the ID, OD, and thickness match your existing bearing. POM bearings follow the same dimensional standards as steel equivalents in the 608, 6000, 6200, 6800, and 6900 series. Verify the variant dimensions against your housing bore and shaft diameter before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum operating speed for these bearings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003ePOM plastic bearings are best suited for low-to-moderate rotational speeds, typically up to a few thousand RPM depending on size and load. At very high speeds, heat generation from friction can soften the POM material. For high-speed applications, contact us to confirm the specific speed limit for your chosen size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these bearings compatible with chemical or solvent exposure?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003ePOM offers good resistance to mild acids, alkalis, fuels, and many organic solvents. However, it is not recommended for prolonged exposure to strong oxidizing acids or concentrated chlorine solutions. If your application involves specific chemicals, contact us to confirm compatibility before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I identify the correct bearing size for my application?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMeasure your shaft diameter (this equals the bearing ID), your housing bore (this equals the bearing OD), and the available axial space (this equals the bearing thickness). Match these three dimensions to the ID × OD × Thickness listed in the variant options. For example, a 608 bearing fits an 8 mm shaft in a 22 mm bore with 7 mm of axial space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your seal type and bearing size above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"RS-Single Sided Seal \/ 608-RS(8*22*7mm) \/ 1 Pcs","offer_id":52410246267154,"sku":"GLFBQLWGLSMZC0125x1","price":6.6,"currency_code":"USD","in_stock":true},{"title":"RS-Single Sided Seal \/ 6000-RS(10*26*8mm) \/ 1 Pcs","offer_id":52410246299922,"sku":"GLFBQLWGLSMZC0128x1","price":7.0,"currency_code":"USD","in_stock":true},{"title":"RS-Single Sided Seal \/ 6001-RS(12*28*8mm) \/ 1 Pcs","offer_id":52410246332690,"sku":"GLFBQLWGLSMZC0129x1","price":7.06,"currency_code":"USD","in_stock":true},{"title":"RS-Single Sided Seal \/ 6002-RS(15*32*9mm) \/ 1 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