{"product_id":"aluminum-v-groove-pulley-50-60-80-100mm-b-type-belt","title":"OD 50\/60\/80\/100mm Pulley Aluminum V Single Groove Pulleys Wheels for B-Type Belt","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eAluminum V-Groove Pulley Wheels for B-Type Belt Drives — Precise, Durable, Drop-In Ready\u003c\/h2\u003e\n\u003cp\u003eWhen a slipping or misaligned belt derails your build mid-project, the culprit is often an undersized or poorly machined pulley. Makers, CNC builders, and automation engineers who need a reliable single-groove V-pulley that mates cleanly with standard B-type V-belts will find this aluminum pulley wheel a direct, no-compromise solution.\u003c\/p\u003e\n\u003cp\u003eEach pulley is machined from aluminum alloy, delivering a lightweight yet rigid body with a natural resistance to corrosion. The outer diameter spans 50 mm to 100 mm (~1.97 in to 3.94 in), and bore sizes range from 8 mm to 42 mm (~0.31 in to 1.65 in) to accommodate a wide variety of shaft diameters. The single V-groove profile is precision-cut to match the B-type belt cross-section for consistent belt seating and minimal vibration.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include DIY CNC router spindle drives, conveyor belt tensioning systems, and light-duty industrial automation rigs where a compact aluminum V-groove pulley for B-type belt is needed without the lead time of custom machining.\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 B-type (17 mm wide) V-belts. Verify your shaft diameter matches the selected bore size before ordering.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Aluminum V-Groove Pulleys\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cstrong\u003eFour OD Options\u003c\/strong\u003e — 50 mm, 60 mm, 80 mm, and 100 mm outer diameters cover a broad range of drive ratios in a single product listing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e\u003cstrong\u003eWide Bore Range\u003c\/strong\u003e — Bore sizes from 8 mm to 42 mm let you match the pulley directly to your motor or driven shaft without a bushing adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\u003cstrong\u003eAluminum Alloy Construction\u003c\/strong\u003e — Machined aluminum body keeps rotating mass low while providing the rigidity needed for consistent belt tension under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003eB-Type V-Groove Profile\u003c\/strong\u003e — The groove geometry conforms to the B-type belt standard (17 mm top width), ensuring full belt contact and reducing slippage at speed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cstrong\u003eSingle-Groove Design\u003c\/strong\u003e — Streamlined single-groove layout simplifies belt routing in space-constrained enclosures and reduces overall drive system weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e\u003cstrong\u003eVersatile Application Fit\u003c\/strong\u003e — Suited for CNC machines, conveyor systems, robotics platforms, and general-purpose power transmission where a compact V-pulley is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Aluminum V-Groove Pulley\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\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\u003eGroove Type\u003c\/th\u003e\n\u003ctd\u003eSingle V-groove\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBelt Compatibility\u003c\/th\u003e\n\u003ctd\u003eB-type V-belt (17 mm top width)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter (OD)\u003c\/th\u003e\n\u003ctd\u003e50 mm \/ 60 mm \/ 80 mm \/ 100 mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore Diameter\u003c\/th\u003e\n\u003ctd\u003e8 mm – 42 mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural aluminum (uncoated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\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 pcs (default); multi-pack options available\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 outer diameter for my drive system?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe OD determines your drive ratio when paired with a motor pulley. A larger driven pulley (e.g., 100 mm) relative to a smaller drive pulley reduces output speed and increases torque. Calculate your target ratio by dividing the driven OD by the drive OD, then select the variant that matches. Common pairings for CNC routers use 50–80 mm driven pulleys with smaller motor pulleys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhich bore size should I select for my shaft?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eSelect a bore size that matches your shaft diameter exactly. For example, if your motor shaft is 14 mm, choose the \"Bore 14 mm\" variant. A bore that is too large will cause runout and vibration; a bore that is too small cannot be installed without machining. If your shaft uses a keyway, confirm the bore variant accommodates it or plan to have a keyway cut by a local machine shop.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this pulley compatible with A-type or C-type V-belts?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo. This pulley is machined specifically for B-type V-belts, which have a 17 mm top width and a 40° groove angle. Using an A-type (13 mm) or C-type (22 mm) belt in a B-groove will result in improper seating, accelerated belt wear, and reduced power transmission efficiency. Always match the belt type to the groove profile.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow does aluminum hold up in outdoor or high-humidity environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAluminum alloy naturally forms a thin oxide layer that resists surface corrosion in most indoor and light-outdoor environments. For prolonged exposure to moisture, salt spray, or aggressive chemicals, consider applying a clear anodize coating or a light film of corrosion-inhibiting lubricant on the bore and hub surfaces. The groove itself should remain clean and dry for optimal belt grip.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this pulley on a conveyor or automation system running continuously?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. The aluminum V-groove pulley is well-suited for light-to-medium duty continuous-run applications such as conveyor tensioners, indexing drives, and automation actuators. Ensure the bore is properly secured with a set screw or keyway, and verify that belt tension is within the B-type belt manufacturer's recommended range to avoid premature bearing or belt wear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDo I need any special tools to install this pulley onto my shaft?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eInstallation typically requires a shaft key (if a keyway is present), a set screw hex wrench (usually 3–5 mm Allen key), and a belt tension gauge or ruler for setting proper belt deflection. No press-fit tools are needed for standard bore-to-shaft fits. Ensure the shaft end is clean and free of burrs before sliding the pulley into position, then tighten the set screw to the torque specification for your shaft diameter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum RPM or load rating for these pulleys?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eSpecific RPM and load ratings depend on the OD variant, bore size, and your belt tension setup. As a conservative guideline, aluminum V-groove pulleys of this size range are typically used in applications up to 1,500–3,000 RPM with light-to-medium belt loads. For high-speed or heavy-load applications, contact us to confirm suitability for your specific drive parameters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Outer Diameter × Bore Size above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"OD 50mm x Bore 8mm \/ 1 pcs","offer_id":52444870476050,"sku":"LXDPIDAILUN1317x1","price":19.84,"currency_code":"USD","in_stock":true},{"title":"OD 50mm x Bore 10mm \/ 1 pcs","offer_id":52444870508818,"sku":"LXDPIDAILUN1318x1","price":19.84,"currency_code":"USD","in_stock":true},{"title":"OD 50mm x Bore 11mm \/ 1 pcs","offer_id":52444870541586,"sku":"LXDPIDAILUN1319x1","price":19.84,"currency_code":"USD","in_stock":true},{"title":"OD 50mm x Bore 12mm \/ 1 pcs","offer_id":52444870574354,"sku":"LXDPIDAILUN1320x1","price":19.84,"currency_code":"USD","in_stock":true},{"title":"OD 50mm x Bore 14mm \/ 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