{"product_id":"aluminium-precision-solid-round-balls-bearings","title":"Aluminium Ball Precision Pure Solid Round Balls Bearings Diameters Ø0.5mm -Ø60mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eAluminium Precision Solid Round Balls — Tight Tolerances from Ø0.5 mm to Ø60 mm\u003c\/h2\u003e\n\u003cp\u003eWhen a loose or undersized ball causes valve leakage, bearing chatter, or a failed calibration fixture, the root problem is almost always dimensional inconsistency. Engineers, machinists, and serious DIYers who need repeatable, measurable results rely on aluminium precision balls that hold their stated diameter across every piece in the batch.\u003c\/p\u003e\n\u003cp\u003eEach ball is machined from solid aluminium stock and finished to a smooth, uniform spherical surface. The range spans Ø0.5 mm (≈ 0.020 in) through Ø60 mm (≈ 2.362 in), covering both metric and inch-equivalent sizes such as Ø1.588 mm (1\/16 in), Ø3.175 mm (1\/8 in), Ø6.35 mm (1\/4 in), Ø9.525 mm (3\/8 in), Ø12.7 mm (1\/2 in), and Ø15.875 mm (5\/8 in). Quantities are available from single pieces up to 10,000 pcs per order.\u003c\/p\u003e\n\u003cp\u003eTypical applications include aluminium precision balls for check valves and flow-control assemblies, lightweight rolling elements in low-load bearing housings, gauge and calibration reference spheres, decorative or kinetic art installations, and prototype mechanical linkages where aluminium's low density reduces inertia in oscillating or rotating systems.\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 note:\u003c\/strong\u003e These balls are solid aluminium — not stainless steel or chrome steel. Verify your application's load rating, corrosion environment, and hardness requirements before ordering. For high-load or high-humidity environments, consider stainless steel alternatives.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Aluminium Precision Solid Round Balls\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003eWide diameter range:\u003c\/strong\u003e Ø0.5 mm through Ø60 mm in a single product listing — metric steps plus common fractional-inch equivalents (1\/16 in, 1\/8 in, 1\/4 in, 1\/2 in, and more) selectable by variant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e\u003cstrong\u003eLow-density aluminium construction:\u003c\/strong\u003e Aluminium's density (~2.7 g\/cm³) is roughly one-third that of steel, making these balls well-suited for weight-sensitive assemblies, reduced-inertia rotating mechanisms, and portable calibration kits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔵\u003c\/span\u003e\u003cstrong\u003eSmooth spherical finish:\u003c\/strong\u003e Each ball is finished to a consistent spherical surface, reducing surface irregularities that cause premature wear or erratic rolling behaviour in guides and valve seats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cstrong\u003eFlexible quantity options:\u003c\/strong\u003e Order from 1 pc up to 10,000 pcs per variant — suitable for single-unit prototyping, small-batch production runs, or bulk stocking of a specific diameter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cstrong\u003eBroad application fit:\u003c\/strong\u003e Used in check valves, flow restrictors, low-load bearing housings, gauge blocks, kinetic sculpture, and mechanical prototype assemblies where steel would add unnecessary mass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🗂️\u003c\/span\u003e\u003cstrong\u003eOrganised SKU structure:\u003c\/strong\u003e Each diameter × quantity combination carries a unique SKU (e.g. XFFXXJQ081x1 through XFFXXJQ143x1), simplifying reorder tracking and inventory reconciliation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Aluminium Precision Solid Round Balls\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminium (solid)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter Range\u003c\/th\u003e\n\u003ctd\u003eØ0.5 mm – Ø60 mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInch Equivalents Available\u003c\/th\u003e\n\u003ctd\u003e1\/16 in (Ø1.588 mm), 1\/8 in (Ø3.175 mm), 3\/32 in (Ø2.38 mm), 7\/32 in (Ø5.556 mm approx.), 1\/4 in (Ø6.35 mm), 3\/8 in (Ø9.525 mm), 1\/2 in (Ø12.7 mm), 5\/8 in (Ø15.875 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eSmooth spherical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity Options\u003c\/th\u003e\n\u003ctd\u003e1 \/ 10 \/ 50 \/ 100 \/ 500 \/ 1,000 \/ 5,000 \/ 10,000 pcs (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHardness\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTolerance Grade\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDensity (approx.)\u003c\/th\u003e\n\u003ctd\u003e~2.7 g\/cm³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMagnetism\u003c\/th\u003e\n\u003ctd\u003eNon-magnetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003ctd\u003eModerate (aluminium oxide layer); not recommended for prolonged exposure to salt water or strong acids\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging\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 the right diameter for my application?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMeasure the seat, housing bore, or channel your ball needs to fit using a calliper. For valve seats, the ball diameter should be slightly larger than the seat orifice so it seals under pressure. For bearing housings, match the ball diameter to the race specification. If you are between two sizes, select the larger diameter and verify fit before ordering in bulk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these balls suitable for high-load bearing applications?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAluminium is softer than steel (typically 60–80 HB vs. 700+ HV for chrome steel bearing balls), so these balls are not recommended for high-radial-load or high-speed precision bearings. They are well-suited for low-load guides, decorative mechanisms, calibration fixtures, and prototype assemblies where weight reduction matters more than hardness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill aluminium balls corrode or oxidise in my environment?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAluminium naturally forms a thin oxide layer that provides moderate corrosion resistance in dry or mildly humid environments. However, prolonged exposure to salt water, strong acids, or alkaline solutions can cause pitting. For wet or chemically aggressive environments, stainless steel balls are a more durable choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these balls in food-contact or medical applications?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eStandard aluminium alloy balls are not certified for food-contact or medical use without additional documentation. If your application requires FDA compliance or specific alloy certification (e.g. 6061-T6 with material test report), please contact us before ordering so we can confirm suitability and provide the necessary documentation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the dimensional tolerance on these balls?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eTolerance grade varies by diameter and batch. For confirmed tolerance specifications (e.g. G10, G16, G25 per ISO 3290), please contact us with your diameter and quantity requirements. We will provide the applicable grade and measurement report on request for larger orders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo you offer mixed-diameter orders or custom sizes?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eEach variant in this listing covers one specific diameter and quantity combination. To order multiple diameters, add each required variant to your cart separately. For diameters outside the Ø0.5 mm–Ø60 mm range listed here, or for non-standard sizes, please contact us to discuss availability and lead time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow are the balls packaged for shipping?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBalls are packaged in sealed bags or rigid containers appropriate to the quantity ordered, to prevent surface damage during transit. Larger quantities (1,000 pcs and above) are typically packed in labelled bulk bags. If you require special packaging (e.g. individual trays for calibration use), please note this in your order comments or contact us in advance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Diameter and Qty above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"Ø0.5mm \/ 5000 pcs","offer_id":52410312818962,"sku":"XFFXXJQ081x1","price":8.06,"currency_code":"USD","in_stock":true},{"title":"Ø0.6mm \/ 10000 pcs","offer_id":52410312851730,"sku":"XFFXXJQ082x1","price":13.25,"currency_code":"USD","in_stock":true},{"title":"Ø0.7mm \/ 10000 pcs","offer_id":52410312884498,"sku":"XFFXXJQ083x1","price":14.2,"currency_code":"USD","in_stock":true},{"title":"Ø0.8mm \/ 10000 pcs","offer_id":52410312917266,"sku":"XFFXXJQ084x1","price":14.2,"currency_code":"USD","in_stock":true},{"title":"Ø0.9mm \/ 10000 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