{"product_id":"aluminium-v-groove-pulley-1-groove-od-50-60-80-100mm-b-type-belt","title":"Aluminium V-Groove Pulley 1 Groove OD 50\/60\/80\/100mm for B-type Belts Pulleys","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eAluminium V-Groove Pulley — Precision 1-Groove Drive Component for B-type Belts\u003c\/h2\u003e\n\u003cp\u003eWhen a slipping or misaligned pulley stalls your build mid-project, every minute of downtime costs you. Hobbyists, makers, and small-shop engineers who rely on belt-driven systems need a pulley that seats cleanly, holds its groove geometry under load, and doesn't demand constant re-tensioning. This aluminium V-groove pulley is machined to deliver consistent power transfer across a wide range of shaft sizes and drive configurations.\u003c\/p\u003e\n\u003cp\u003eEach pulley is machined from aluminium alloy and features a single B-type V-groove profile. Outer diameters span 50 mm (≈ 1.97 in), 60 mm (≈ 2.36 in), 80 mm (≈ 3.15 in), and 100 mm (≈ 3.94 in). Bore diameters range from 8 mm to 42 mm (≈ 0.31 in – 1.65 in) depending on the selected variant, allowing fitment across a broad spectrum of shaft sizes.\u003c\/p\u003e\n\u003cp\u003eTypical applications include DIY belt-drive reduction systems, CNC router and laser-cutter spindle drives, small conveyor and feeder mechanisms, and workshop machinery upgrades where a lightweight yet rigid aluminium V-groove pulley for B-type belt is required.\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 against the selected bore size before ordering. Set-screw bore locking — confirm your shaft accepts a set-screw clamp.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Aluminium V-Groove Pulleys\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eSingle B-type Groove Profile\u003c\/strong\u003e\n\u003cp\u003eMachined groove geometry matches standard B-type V-belt cross-section for firm, low-slip belt seating under continuous load.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🪶\u003c\/span\u003e \u003cstrong\u003eAluminium Alloy Construction\u003c\/strong\u003e\n\u003cp\u003eLightweight aluminium body reduces rotational inertia compared to cast iron alternatives, improving acceleration response in variable-speed drives.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003eFour OD Options: 50 \/ 60 \/ 80 \/ 100 mm\u003c\/strong\u003e\n\u003cp\u003eWide outer-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 mm – 42 mm\u003c\/strong\u003e\n\u003cp\u003eCovers common shaft sizes from small hobby motors up to mid-size industrial shafts, reducing the need for adapter sleeves.\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 in continuous-duty applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e \u003cstrong\u003eSet-Screw Bore Locking\u003c\/strong\u003e\n\u003cp\u003eStandard set-screw clamp secures the pulley to the shaft without keyway machining, simplifying installation on plain round shafts.\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 — Aluminium V-Groove Pulley\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eGroove Type\u003c\/th\u003e\n\u003ctd\u003eB-type V-groove (single groove)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Grooves\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminium alloy\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\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\u003eBore Locking Method\u003c\/th\u003e\n\u003ctd\u003eSet screw\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\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmount per Order\u003c\/th\u003e\n\u003ctd\u003e1 Pcs\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 ratio between your driver and driven pulleys determines your speed reduction or increase. Divide the driven pulley OD by the driver pulley OD to get the reduction ratio. For example, a 100 mm driven pulley paired with a 50 mm driver pulley gives a 2:1 speed reduction. Select the OD combination that matches your target output RPM.\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\u003eMeasure your shaft diameter with a caliper and select the bore size that matches exactly. The set-screw locking method works best when the bore and shaft are the same diameter — an oversized bore will allow the pulley to wobble. Available bores range from 8 mm to 42 mm depending on the OD variant chosen.\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 or C-type belt will result in poor seating, accelerated belt wear, and reduced power transfer efficiency. Always match the pulley groove type to your belt cross-section.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow strong is the aluminium body under load?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAluminium alloy pulleys handle the torque loads typical of light-to-medium duty belt drives — such as small conveyor systems, CNC spindle drives, and workshop machinery — without deformation. For heavy-duty industrial applications with sustained high torque, verify the load rating against your system requirements or consider a cast iron alternative.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill this pulley corrode in a humid workshop 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 typical indoor workshop conditions. It is not recommended for prolonged exposure to salt spray, acids, or highly alkaline environments. For outdoor or wet environments, consider applying a protective coating or anodized finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this pulley without a keyway?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. The set-screw bore locking design is intended for plain round shafts and does not require a keyway. The set screw bears directly against the shaft surface. For high-torque applications where slippage is a concern, a flat ground onto the shaft at the set-screw contact point will improve grip significantly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the 50 mm and 100 mm OD variants in terms of belt speed?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAt the same input RPM, a larger OD pulley produces a higher belt surface speed. A 100 mm OD pulley running at 1000 RPM generates approximately twice the belt speed of a 50 mm OD pulley at the same RPM. Use a larger OD on the driver side to increase output speed, or on the driven side to reduce it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Size (Outer Diameter × Bore) above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"50mm x 8mm \/ 1 Pcs","offer_id":52445266018578,"sku":"LRPPIDAILUN1317x1","price":20.88,"currency_code":"USD","in_stock":true},{"title":"50mm x 10mm \/ 1 Pcs","offer_id":52445266051346,"sku":"LRPPIDAILUN1318x1","price":20.88,"currency_code":"USD","in_stock":true},{"title":"50mm x 11mm \/ 1 Pcs","offer_id":52445266084114,"sku":"LRPPIDAILUN1319x1","price":20.88,"currency_code":"USD","in_stock":true},{"title":"50mm x 12mm \/ 1 Pcs","offer_id":52445266116882,"sku":"LRPPIDAILUN1320x1","price":20.88,"currency_code":"USD","in_stock":true},{"title":"50mm x 14mm \/ 1 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