{"product_id":"tpu-open-end-timing-belt-aramid-core-2gt-mxl-xl-3m-5m","title":"TPU Open-End Timing Belt with Aramid Core — 2GT \/ MXL \/ XL \/ 3M \/ 5M, 6–25mm Wide","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eTPU Open-End Timing Belt with Aramid Core — Precision Motion for CNC, 3D Printers \u0026amp; Robotics\u003c\/h2\u003e\n\u003cp\u003eWhen your CNC router skips steps, your 3D printer axis drifts, or your linear actuator loses position under load, the culprit is often a belt that stretches, slips, or simply was not designed for the job. Makers, engineers, and machine builders who need repeatable, low-backlash motion demand a belt that holds its pitch under tension — not one that gives a little more with every pass.\u003c\/p\u003e\n\u003cp\u003eThis open-end TPU timing belt features an aramid fiber tensile cord running the full length of the belt body. The TPU (thermoplastic polyurethane) outer body resists oils, moisture, and abrasion while remaining flexible across a wide temperature range. Available in five tooth profiles — \u003cstrong\u003e2GT, MXL, XL, 3M, and 5M\u003c\/strong\u003e — and five widths from \u003cstrong\u003e6mm (approx. 1\/4\") to 25mm (approx. 1\")\u003c\/strong\u003e, each belt ships as a continuous open-end roll that you cut to your exact required length.\u003c\/p\u003e\n\u003cp\u003eTypical applications include CNC router and laser cutter gantry drives, 3D printer X\/Y axis linear motion, pick-and-place robotic arm actuation, and conveyor indexing systems where precise tooth engagement and low elongation are critical to part accuracy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003eℹ️\u003c\/span\u003e \u003cstrong\u003eCompatibility Note:\u003c\/strong\u003e Match belt profile (2GT \/ MXL \/ XL \/ 3M \/ 5M) and width to your existing pulleys. Belt pitch must match pulley pitch exactly. Width must be equal to or less than pulley flange width. See FAQ below for selection guidance.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These TPU Open-End Timing Belts\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eAramid Fiber Tensile Core\u003c\/strong\u003e — High-strength aramid cord resists elongation under sustained tension, maintaining tooth pitch accuracy in CNC linear motion and 3D printer axis drives.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🧱\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eTPU Belt Body\u003c\/strong\u003e — Thermoplastic polyurethane construction offers better oil, moisture, and abrasion resistance compared to standard neoprene synchronous belts.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✂️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eOpen-End Cut-to-Length Format\u003c\/strong\u003e — No fixed loop length; cut to your exact required span for custom CNC builds, linear rails, and retrofit machine upgrades.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFive Tooth Profiles Available\u003c\/strong\u003e — 2GT (2mm pitch), MXL (2.032mm pitch), XL (5.08mm pitch), 3M (3mm pitch), and 5M (5mm pitch) cover the most common synchronous belt standards used in DIY and industrial CNC machines.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMultiple Width Options\u003c\/strong\u003e — Choose from 6mm, 10mm, 15mm, 20mm, or 25mm to match your pulley flange and torque requirements across light-duty 3D printer axes to heavier CNC gantry drives.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLow Backlash Tooth Engagement\u003c\/strong\u003e — Precise tooth geometry maintains consistent mesh with matching pulleys, reducing positional error in repetitive motion cycles typical of CNC routing and automated pick-and-place systems.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — TPU Open-End Synchronous Timing Belt\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Type\u003c\/th\u003e\n\u003ctd\u003eOpen-End (Cut-to-Length) Synchronous Timing Belt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Body Material\u003c\/th\u003e\n\u003ctd\u003eTPU (Thermoplastic Polyurethane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTensile Cord Material\u003c\/th\u003e\n\u003ctd\u003eAramid Fiber (High-Strength)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Tooth Profiles\u003c\/th\u003e\n\u003ctd\u003e2GT (2mm pitch), MXL (2.032mm pitch), XL (5.08mm \/ 1\/5\" pitch), 3M (3mm pitch), 5M (5mm pitch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Widths\u003c\/th\u003e\n\u003ctd\u003e6mm (approx. 1\/4\"), 10mm (approx. 3\/8\"), 15mm (approx. 19\/32\"), 20mm (approx. 25\/32\"), 25mm (approx. 1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Format\u003c\/th\u003e\n\u003ctd\u003eOpen-End Roll — cut to required length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm for your specific application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTypical Applications\u003c\/th\u003e\n\u003ctd\u003eCNC routers, 3D printers, laser cutters, linear actuators, conveyor indexing, robotics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTermination Method\u003c\/th\u003e\n\u003ctd\u003eBelt clamps, end caps, or tensioner brackets (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTooth Profile Standard\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-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eBefore You Cut:\u003c\/strong\u003e Verify your required belt length, pulley pitch, and pulley flange width before cutting. Open-end belts cannot be returned once cut to length.\u003c\/div\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right belt length for my machine?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBecause this is an open-end (cut-to-length) belt, you measure the required run length between your pulleys, add a small amount for tensioning, and cut accordingly. As a general rule, add typically 5–10% extra to your measured span to allow for tensioner adjustment. Always verify your pulley center distance before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat tooth profile should I choose — 2GT, MXL, XL, 3M, or 5M?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the belt profile to your existing pulleys. \u003cstrong\u003e2GT\u003c\/strong\u003e (2mm pitch) is the most common choice for 3D printers and light CNC routers. \u003cstrong\u003eMXL\u003c\/strong\u003e (2.032mm pitch) suits legacy imperial-spec machines. \u003cstrong\u003eXL\u003c\/strong\u003e (5.08mm \/ 1\/5\" pitch) handles moderate loads. \u003cstrong\u003e3M and 5M\u003c\/strong\u003e are generally used in higher-torque CNC and automation applications. Check your pulley markings or manufacturer specs to confirm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow strong is the aramid tensile core compared to fiberglass?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAramid fiber (similar in composition to Kevlar) offers significantly higher tensile strength and lower elongation than fiberglass cores. In most open-end timing belt applications, aramid cores maintain dimensional stability under sustained load, reducing positional drift in CNC and 3D printing axes over time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan this belt be used outdoors or in humid or oily environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eTPU is generally more resistant to moisture, oils, and mild chemicals than neoprene belts. It is typically suitable for indoor industrial environments and light outdoor use. For prolonged UV exposure or extreme temperature conditions, verify the specific operating range with your application requirements before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat width should I select for my application?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eWidth selection depends on the load and your pulley flange width. Wider belts (20–25mm) carry more torque and are generally used in heavier CNC gantry or conveyor setups. Narrower belts (6–10mm) are common in 3D printer axes and lightweight linear motion systems. Always match belt width to your pulley's usable belt contact width to prevent edge wear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the 2GT profile compatible with standard GT2 pulleys?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe 2GT profile is dimensionally compatible with GT2 pulleys in most cases, as both share a 2mm pitch. However, tooth geometry can vary slightly between manufacturers. We recommend verifying fit with your specific pulley before cutting to final length.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I join or terminate an open-end timing belt?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eOpen-end timing belts are typically secured using belt clamps, end caps, or tensioner brackets rather than being looped. For linear motion systems, the belt ends are generally clamped to a carriage on one end and anchored to a fixed point on the other. Specific hardware depends on your machine's design — clamps and anchors are not included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003emodel (tooth profile) and width\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"MXL \/ 6mm","offer_id":52368872472850,"sku":"GLFBDMHGLBZSJ060550x1","price":8.94,"currency_code":"USD","in_stock":true},{"title":"MXL \/ 10mm","offer_id":52368872505618,"sku":"GLFBDMHGLBZSJ060551x1","price":10.68,"currency_code":"USD","in_stock":true},{"title":"XL \/ 10mm","offer_id":52368872538386,"sku":"GLFBDMHGLCDPJ03263x1","price":9.78,"currency_code":"USD","in_stock":true},{"title":"XL \/ 15mm","offer_id":52368872571154,"sku":"GLFBDMHGLCDPJ03264x1","price":12.48,"currency_code":"USD","in_stock":true},{"title":"XL \/ 20mm","offer_id":52368872603922,"sku":"GLFBDMHGLCDPJ03265x1","price":16.71,"currency_code":"USD","in_stock":true},{"title":"3M \/ 10mm","offer_id":52368872636690,"sku":"GLFBDMHGLCDPJ03266x1","price":9.49,"currency_code":"USD","in_stock":true},{"title":"3M \/ 15mm","offer_id":52368872669458,"sku":"GLFBDMHGLCDPJ03267x1","price":12.43,"currency_code":"USD","in_stock":true},{"title":"3M \/ 20mm","offer_id":52368872702226,"sku":"GLFBDMHGLCDPJ03268x1","price":15.57,"currency_code":"USD","in_stock":true},{"title":"5M \/ 15mm","offer_id":52368872734994,"sku":"GLFBDMHGLCDPJ03269x1","price":13.22,"currency_code":"USD","in_stock":true},{"title":"5M \/ 20mm","offer_id":52368872767762,"sku":"GLFBDMHGLCDPJ03270x1","price":16.28,"currency_code":"USD","in_stock":true},{"title":"5M \/ 25mm","offer_id":52368872800530,"sku":"GLFBDMHGLCDPJ03271x1","price":19.56,"currency_code":"USD","in_stock":true},{"title":"2GT \/ 6mm","offer_id":52368872833298,"sku":"GLFBDMHGLBZSJ060552x1","price":8.94,"currency_code":"USD","in_stock":true},{"title":"2GT \/ 10mm","offer_id":52368872866066,"sku":"GLFBDMHGLBZSJ060553x1","price":8.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-02_ab854f81-81e9-4536-8730-34711ec7e9fd.jpg?v=1781279880","url":"https:\/\/homediyer.com\/products\/tpu-open-end-timing-belt-aramid-core-2gt-mxl-xl-3m-5m","provider":"HomeDIYer","version":"1.0","type":"link"}