{"product_id":"browning-1028117-single-groove-sheave-1in-bore-3-55in-od","title":"Browning 1028117 Single Groove Sheave 1in Bore 3.55in Od","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe BROWNING 1028117 is a finished bore single groove sheave designed for use with V-belt drive systems in HVAC, industrial, and mechanical power transmission applications. Machined from cast iron, this sheave features a 1 inch finished bore and a 3.55 inch outside diameter, making it a compact, ready-to-mount component. The pitch diameter for 4L or A belt types measures 2.8 inches, and the overall length through the bore is 1-5\/32 inches. The face width of 7\/8 inch accommodates standard single-groove belt configurations. Licensed HVAC technicians, mechanical contractors, and millwrights install this sheave as part of fan drive assemblies, blower systems, and similar belt-driven equipment.\u003c\/p\u003e\n\u003cp\u003eThis sheave is suited for single-groove V-belt drive applications found in residential and light commercial HVAC fan assemblies, ventilation systems, and general power transmission setups. It is compatible with 4L and A-profile V-belts. The finished bore is ready for installation without additional machining, reducing downtime during service or replacement work. Its cast iron construction provides durability in demanding operating environments where belt tension and cyclic loading are continuous factors.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eFinished bore at 1 inch — no additional machining required before installation\u003c\/li\u003e\n  \u003cli\u003eOutside diameter of 3.55 inches for compact single-groove drive applications\u003c\/li\u003e\n  \u003cli\u003ePitch diameter of 2.8 inches compatible with 4L and A-profile V-belts\u003c\/li\u003e\n  \u003cli\u003e7\/8 inch face width suits standard single-groove belt configurations\u003c\/li\u003e\n  \u003cli\u003eCast iron construction provides durability under continuous belt load and tension\u003c\/li\u003e\n  \u003cli\u003eOverall length through bore of 1-5\/32 inches for precise shaft fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a finished bore single groove sheave for use with 4L and A-profile V-belts in single-groove belt drive systems. Suitable as an OEM-style replacement in residential and light commercial fan and blower drive assemblies where a 1 inch bore and 2.8 inch pitch diameter are specified.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by licensed HVAC technicians, millwrights, or qualified mechanical contractors. Disconnect and lock out all electrical power to the driven equipment before removing or installing any sheave or belt. Ensure the shaft is clean, free of burrs, and within tolerance for the 1 inch bore before mounting. Verify belt alignment and tension after installation per standard drive system practices and applicable industry guidelines.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Diameter\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 3.55 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePitch Diameter (4L or A Belt)\u003c\/strong\u003e: 2.8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFace Width\u003c\/strong\u003e: 7\/8 inch\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\u003eGroove Configuration\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: 1.25 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: 1028117\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BROWNING","offers":[{"title":"Default Title","offer_id":51542087598386,"sku":"1028117","price":101.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/f513646d2b8708c569c147b372f1936a.jpg?v=1785891709","url":"https:\/\/voomisupply.com\/products\/browning-1028117-single-groove-sheave-1in-bore-3-55in-od","provider":"Voomi Supply","version":"1.0","type":"link"}