{"product_id":"v-groove-aluminum-drive-pulley-a-section-v-belt-od-40-100mm","title":"V-Groove Aluminum Drive Pulley For A-Section V-Belt Pulleys OD 40\/60\/80\/100mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eV-Groove Aluminum Drive Pulley — Precision A-Section V-Belt Fit for CNC, Robotics \u0026amp; Conveyor Systems\u003c\/h2\u003e\n\u003cp\u003eWhen a slipping or misaligned belt derails your build mid-run, the culprit is almost always an undersized or poorly machined pulley. Engineers, makers, and machine builders who demand repeatable torque transfer need a drive pulley that holds its groove geometry under load — and that is exactly what these V-groove aluminum pulleys are designed to deliver.\u003c\/p\u003e\n\u003cp\u003eEach pulley is machined from aluminum alloy and features a classic A-section V-groove profile. Available in four outer diameters — 40 mm (≈1.57 in), 60 mm (≈2.36 in), 80 mm (≈3.15 in), and 100 mm (≈3.94 in) — with bore diameters ranging from 8 mm to 32 mm to suit a wide range of shaft sizes. The lightweight aluminum construction keeps rotating mass low while maintaining the structural rigidity needed for continuous-duty applications.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include CNC router spindle drives requiring consistent belt tension, robotics joint actuators where compact pulley diameter matters, and conveyor or automation systems where A-section V-belts are the industry standard. Long-tail search terms like \"aluminum A-belt pulley 80mm bore 20mm\" and \"V-groove drive pulley CNC\" reflect exactly the precision-fit scenarios these pulleys address.\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 Designed for standard A-section (A-type) V-belts. Verify your belt cross-section and shaft diameter before ordering. Bore sizes 8–32 mm available — see variant options above.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These V-Groove Aluminum Drive Pulleys\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eA-Section V-Groove Profile\u003c\/strong\u003e\n\u003cp\u003eMachined to match standard A-type V-belt geometry for secure, slip-resistant belt seating under load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🪶\u003c\/span\u003e \u003cstrong\u003eAluminum Alloy Construction\u003c\/strong\u003e\n\u003cp\u003eLow rotating mass reduces motor load and inertia, making these pulleys well-suited for servo and stepper-driven systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003eFour OD Options: 40 \/ 60 \/ 80 \/ 100 mm\u003c\/strong\u003e\n\u003cp\u003eWide diameter range lets you dial in the exact speed ratio your drive system requires without custom machining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e \u003cstrong\u003eWide Bore Range: 8–32 mm\u003c\/strong\u003e\n\u003cp\u003eCovers the most common shaft diameters used in CNC spindles, conveyor rollers, and robotics actuators.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e \u003cstrong\u003eBalanced for Smooth Operation\u003c\/strong\u003e\n\u003cp\u003eMachined concentricity keeps vibration low at operating speeds, protecting bearings and extending belt life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e \u003cstrong\u003eDrop-In Replacement Geometry\u003c\/strong\u003e\n\u003cp\u003eStandard A-section dimensions mean these pulleys interchange directly with existing A-belt drive setups — no belt swap required.\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 — V-Groove Aluminum Drive Pulley\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Section\u003c\/th\u003e\n\u003ctd\u003eA-Section (A-type V-belt)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter (OD)\u003c\/th\u003e\n\u003ctd\u003e40 mm \/ 60 mm \/ 80 mm \/ 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore Diameter\u003c\/th\u003e\n\u003ctd\u003e8 \/ 10 \/ 11 \/ 12 \/ 14 \/ 15 \/ 16 \/ 17 \/ 18 \/ 19 \/ 20 \/ 22 \/ 24 \/ 25 \/ 28 \/ 30 \/ 32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGroove Profile\u003c\/th\u003e\n\u003ctd\u003eSingle A-section V-groove\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHub \/ Keyway\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight (per piece)\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Order\u003c\/th\u003e\n\u003ctd\u003e1 piece\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 OD for my drive system?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe outer diameter determines your speed ratio. Divide the motor pulley OD by the driven pulley OD to get the ratio. For example, a 40 mm drive pulley paired with an 80 mm driven pulley gives a 2:1 reduction. Choose the OD that achieves your target RPM at the driven shaft.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich bore diameter should I select for my shaft?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eSelect the bore diameter that matches your shaft exactly. A bore that is too large will cause runout and vibration; too small will not fit. Available bores range from 8 mm to 32 mm. If your shaft uses a keyway, confirm the hub keyway spec in the variant details or contact us before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these pulleys compatible with all A-section V-belts?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes — the groove is machined to the standard A-section profile (top width ≈ 13 mm, angle 40°), so they accept any A-type V-belt from major belt manufacturers. They are not compatible with B, C, or other section belts without modification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow strong are aluminum pulleys compared to cast iron or steel?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAluminum alloy pulleys offer an excellent strength-to-weight ratio for light-to-medium duty applications such as CNC routers, 3D printer drives, and small conveyor systems. For heavy industrial loads exceeding the rated belt tension, cast iron or steel pulleys are typically 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\u003eDo aluminum pulleys resist corrosion in humid or outdoor environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAluminum naturally forms a protective oxide layer that resists moisture and mild chemical exposure, making these pulleys suitable for indoor and semi-outdoor environments. For harsh outdoor or salt-spray conditions, consider an anodized finish or additional protective coating.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these pulleys in a CNC router or laser cutter build?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAbsolutely. These are a popular choice for CNC router axis drives and laser cutter gantry systems where A-section V-belts are used. Select the OD that matches your desired axis speed ratio and the bore that fits your stepper or servo motor shaft.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the 40 mm and 100 mm OD options?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA smaller OD (40 mm) produces higher belt speed at the driven shaft for a given motor RPM, while a larger OD (100 mm) produces more torque multiplication when used as the driven pulley. Choose based on your speed-torque requirements and available center distance between shafts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your OD and Bore Diameter above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"40mm \/ 8mm \/ 1Pcs","offer_id":52445416358162,"sku":"FXLGB800-0","price":11.41,"currency_code":"USD","in_stock":true},{"title":"40mm \/ 10mm \/ 1Pcs","offer_id":52445416390930,"sku":"FXLGB800-1","price":11.41,"currency_code":"USD","in_stock":true},{"title":"40mm \/ 11mm \/ 1Pcs","offer_id":52445416423698,"sku":"FXLGB800-2","price":11.41,"currency_code":"USD","in_stock":true},{"title":"40mm \/ 12mm \/ 1Pcs","offer_id":52445416456466,"sku":"FXLGB800-3","price":11.41,"currency_code":"USD","in_stock":true},{"title":"40mm \/ 14mm \/ 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