{"product_id":"pom-plastic-bearing-glass-ball-deep-groove-balls-bearings-id-8mm-30mm-od-22-55mm","title":"POM Plastic Bearing Glass Ball Deep Groove Balls Bearings ID 8mm-30mm OD 22-55mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003ePOM Plastic Deep Groove Ball Bearings — Lightweight, Corrosion-Resistant Precision for Demanding DIY Applications\u003c\/h2\u003e\n\u003cp\u003eWhen metal bearings corrode, seize, or add unwanted weight to your build, you need a smarter solution. POM plastic deep groove ball bearings are the go-to choice for makers, hobbyists, and engineers who work in wet environments, food-adjacent applications, or anywhere electrical isolation is critical. These bearings eliminate the rust and conductivity concerns that come with steel alternatives.\u003c\/p\u003e\n\u003cp\u003eEach bearing features a POM (polyoxymethylene \/ acetal) outer race and cage paired with precision glass balls, delivering smooth, low-noise rotation. Available in standard metric models from 608 through 6006, with inner diameters ranging from 6 mm (0.24 in) to 30 mm (1.18 in) and outer diameters from 19 mm (0.75 in) to 55 mm (2.17 in). Heights span 6 mm to 13 mm depending on model.\u003c\/p\u003e\n\u003cp\u003eIdeal for 3D printer carriage wheels and idler pulleys, RC car and drone frame pivots requiring non-conductive bearings, food processing equipment where metal contamination must be avoided, and marine or outdoor DIY projects exposed to moisture and chemicals.\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 Standard metric bore sizing — fits any shaft or housing machined to 608, 626, 6000, 6001, 6002, 6003, 6004, 6005, or 6006 dimensions. Drop-in replacement for same-model steel bearings.\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\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🧪\u003c\/span\u003e \u003cstrong\u003ePOM Acetal Race \u0026amp; Cage\u003c\/strong\u003e\n\u003cp\u003ePolyoxymethylene construction resists moisture, mild acids, and alkalis — no rust, no corrosion, no seized bearings after exposure to water or humidity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚪\u003c\/span\u003e \u003cstrong\u003ePrecision Glass Balls\u003c\/strong\u003e\n\u003cp\u003eSmooth-surfaced glass rolling elements provide consistent, low-friction rotation and are electrically non-conductive — essential for electronics and robotics builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003e9 Standard Metric Models\u003c\/strong\u003e\n\u003cp\u003e608 through 6006 sizing covers the most common DIY and light-industrial bore diameters from 6 mm to 30 mm, making sourcing and replacement straightforward.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔇\u003c\/span\u003e \u003cstrong\u003eQuiet, Smooth Operation\u003c\/strong\u003e\n\u003cp\u003eThe POM cage dampens vibration and reduces operating noise compared to unshielded steel bearings — a noticeable improvement in printers, fans, and spinners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e \u003cstrong\u003eLightweight Construction\u003c\/strong\u003e\n\u003cp\u003ePOM plastic is significantly lighter than steel, reducing rotating mass in weight-sensitive applications like drone frames, RC vehicles, and portable equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e \u003cstrong\u003eFlexible Pack Quantities\u003c\/strong\u003e\n\u003cp\u003eOrder 1, 5, 10, 20, or 50 pieces per model — stock up for a project run or grab a single replacement bearing without overpaying for a bulk pack you don't need.\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 — POM Plastic Deep Groove Ball Bearings\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial — Race \u0026amp; Cage\u003c\/th\u003e\n\u003ctd\u003ePOM (Polyoxymethylene \/ Acetal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRolling Elements\u003c\/th\u003e\n\u003ctd\u003eGlass balls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Type\u003c\/th\u003e\n\u003ctd\u003eDeep groove, open (unshielded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Models\u003c\/th\u003e\n\u003ctd\u003e608, 626, 6000, 6001, 6002, 6003, 6004, 6005, 6006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInner Diameter (ID) Range\u003c\/th\u003e\n\u003ctd\u003e6 mm – 30 mm (0.24 in – 1.18 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter (OD) Range\u003c\/th\u003e\n\u003ctd\u003e19 mm – 55 mm (0.75 in – 2.17 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeight Range\u003c\/th\u003e\n\u003ctd\u003e6 mm – 13 mm (0.24 in – 0.51 in)\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\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLoad Rating\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantities Available\u003c\/th\u003e\n\u003ctd\u003e1 \/ 5 \/ 10 \/ 20 \/ 50 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensional Standard\u003c\/th\u003e\n\u003ctd\u003eISO metric (608–6006 series)\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 bearing model for my project?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the model number to your shaft diameter: 608 fits an 8 mm shaft, 626 fits 6 mm, 6000 fits 10 mm, 6001 fits 12 mm, 6002 fits 15 mm, 6003 fits 17 mm, 6004 fits 20 mm, 6005 fits 25 mm, and 6006 fits 30 mm. Also verify the outer diameter fits your housing bore and that the height clears your frame or bracket.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan these bearings handle the same loads as steel bearings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003ePOM plastic bearings are designed for light to moderate radial loads — they are well-suited for 3D printers, RC vehicles, drones, and similar applications. They are not intended for heavy industrial loads or high-speed applications that require steel or ceramic bearings. If your application involves significant impact or sustained heavy radial loads, contact us to confirm suitability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these bearings truly corrosion-resistant?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. The POM race and cage resist moisture, mild acids, alkalis, and many common solvents. The glass balls do not rust. This makes them a reliable choice for outdoor, marine, food-processing, and humid-environment applications where steel bearings would corrode and seize over time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre POM plastic bearings electrically non-conductive?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes — both POM and glass are electrical insulators. These bearings are a popular choice in robotics, electronics enclosures, and any build where you need to prevent current from passing through the bearing assembly. They will not create a conductive path between shaft and housing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these as a direct drop-in replacement for steel 608 or 6000-series bearings?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes — these bearings follow standard ISO metric dimensions for the 608 and 6000 series, so they are dimensionally interchangeable with steel bearings of the same model number. Simply confirm the model number matches your existing bearing and they will fit the same shaft and housing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo these bearings require lubrication?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003ePOM and glass have naturally low friction coefficients and can run dry in many light-duty applications. For extended service life or higher-speed use, a light application of PTFE-based or silicone grease is recommended. Avoid petroleum-based greases, which can degrade POM over time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich quantity pack should I order?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eFor a single repair or prototype, the 1-piece option lets you test fit and function before committing. For a production run, printer build, or stocking spare parts, the 10, 20, or 50-piece packs offer a lower per-unit cost. The 5-piece pack is a practical middle ground for small batch projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Model (IDxODxH) and Quantity above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"608 (8x22x7)mm \/ 1","offer_id":52410667565330,"sku":"YTTSHXJZC2623x1","price":3.25,"currency_code":"USD","in_stock":true},{"title":"626 (6x19x6)mm \/ 1","offer_id":52410667598098,"sku":"YTTSHXJZC2624x1","price":3.6,"currency_code":"USD","in_stock":true},{"title":"6000 (10x26x8)mm \/ 1","offer_id":52410667630866,"sku":"YTTSHXJZC2625x1","price":3.6,"currency_code":"USD","in_stock":true},{"title":"6001 (12x28x8)mm \/ 1","offer_id":52410667663634,"sku":"YTTSHXJZC2626x1","price":3.66,"currency_code":"USD","in_stock":true},{"title":"6002 (15x32x9)mm \/ 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