{"product_id":"browning-1026525-single-groove-sheave-0-5-in-bore-cast-iron","title":"Browning 1026525 Single Groove Sheave 0.5 in Bore Cast Iron","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe BROWNING 1026525 is a finished bore single groove sheave designed for belt-drive applications in HVAC and light industrial systems. It features a 0.5 inch bore diameter and a 4.45 inch outer diameter, with a groove width of 0.75 inches. The sheave is cast iron construction, providing durability and dimensional stability under continuous load. The belt pitch B diameter is 4.6 inches. Pitch diameter for 4L or A belt types is 4.2 inches, and for 3L belt types it is 3.86 inches. Overall length through bore is 1-5\/32 inches. This part weighs 1.75 pounds and is sold as a single unit.\u003c\/p\u003e\n\u003cp\u003eThis sheave is suited for use in residential and light commercial HVAC equipment, including blower assemblies, air handlers, and fan drives that rely on V-belt power transmission. It accepts standard 3L, 4L, and A belt profiles, making it a common replacement component in belt-driven blower systems. Installation is typically performed by HVAC technicians or mechanical service professionals during blower motor replacement or drive system maintenance.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eFinished bore at 0.5 inches — ready for immediate installation without additional machining\u003c\/li\u003e\n  \u003cli\u003eSingle groove design compatible with 3L, 4L, and A belt profiles\u003c\/li\u003e\n  \u003cli\u003eCast iron construction for rigidity and wear resistance under continuous belt load\u003c\/li\u003e\n  \u003cli\u003e4.45 inch OD with 4.6 inch belt pitch B diameter for accurate drive ratio selection\u003c\/li\u003e\n  \u003cli\u003eGroove width of 0.75 inches suits standard V-belt widths\u003c\/li\u003e\n  \u003cli\u003eCompact profile at 1-5\/32 inches overall length through bore\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement single groove sheave for residential and light commercial belt-driven blower and fan assemblies using 3L, 4L, or A profile V-belts.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified HVAC technician or mechanical service professional. Always disconnect and lock out power to the equipment before removing or installing drive components. Verify shaft diameter matches the 0.5 inch finished bore before installation, and ensure the sheave is properly aligned with the mating pulley using a straightedge to minimize belt wear and vibration. Secure the set screw to the manufacturer's standard practice after confirming alignment.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Diameter\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOuter Diameter (OD)\u003c\/strong\u003e: 4.45 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGroove Width\u003c\/strong\u003e: 0.75 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBelt Pitch B Diameter\u003c\/strong\u003e: 4.6 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePitch Diameter (4L or A Belt)\u003c\/strong\u003e: 4.2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePitch Diameter (3L Belt)\u003c\/strong\u003e: 3.86 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length Through Bore\u003c\/strong\u003e: 1-5\/32 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSheave Type\u003c\/strong\u003e: Single Groove\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Type\u003c\/strong\u003e: Finished Bore\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Cast Iron\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.75 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31171804\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BROWNING\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 1026525\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BROWNING","offers":[{"title":"Default Title","offer_id":51541336883506,"sku":"1026525","price":288.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/3c6959d0a662d6e4adc89f10f49bd934.jpg?v=1785872773","url":"https:\/\/voomisupply.com\/products\/browning-1026525-single-groove-sheave-0-5-in-bore-cast-iron","provider":"Voomi Supply","version":"1.0","type":"link"}