{"product_id":"browning-1026459-single-groove-sheave-1-in-bore-cast-iron","title":"Browning 1026459 Single Groove Sheave 1 in Bore Cast Iron","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe BROWNING 1026459 is a finished bore single groove sheave designed for V-belt drive systems in HVAC, industrial, and mechanical power transmission applications. Cast from iron for durability and dimensional stability, this sheave features a 1 inch finished bore and a 3.95 inch outer diameter. The pitch diameter measures 3.7 inches for 4L or A belt types, and 3.36 inches for 3L belt types. The through-bore length is 1-5\/32 inches. It is installed by HVAC technicians and millwrights as part of belt-and-sheave drive assemblies on fans, blowers, and air handling equipment.\u003c\/p\u003e\n\u003cp\u003eThis sheave is suited for residential and light commercial HVAC systems where V-belt drives power supply fans and blower assemblies. The single groove configuration accepts one V-belt, making it appropriate for straightforward single-belt drive setups. The finished bore eliminates the need for additional machining prior to installation. BROWNING is a recognized manufacturer of power transmission components, and this sheave is built to standard V-belt pulley dimensions for broad compatibility in replacement and new-installation scenarios.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eFinished 1 inch bore — ready to install without additional machining\u003c\/li\u003e\n  \u003cli\u003e3.95 inch outer diameter with a 3.7 inch pitch diameter for 4L or A belt types\u003c\/li\u003e\n  \u003cli\u003e3.36 inch pitch diameter for 3L belt types\u003c\/li\u003e\n  \u003cli\u003eSingle groove design accepts one V-belt\u003c\/li\u003e\n  \u003cli\u003eCast iron construction for strength and dimensional stability\u003c\/li\u003e\n  \u003cli\u003eThrough-bore length of 1-5\/32 inches\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 V-belt drive systems using 3L, 4L, or A series V-belts in HVAC blower and fan drive applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified HVAC technician or millwright. Disconnect and lock out all power to the drive system before removing or installing any sheave. Ensure the sheave is properly aligned with the mating pulley using a straightedge or laser alignment tool before tensioning the belt. Belt tension should be set per the belt manufacturer's specifications to prevent premature wear or slippage.\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\u003eOuter Diameter\u003c\/strong\u003e: 3.95 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePitch Diameter (4L or A Belt)\u003c\/strong\u003e: 3.7 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePitch Diameter (3L Belt)\u003c\/strong\u003e: 3.36 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\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: 1.5 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: 1026459\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BROWNING","offers":[{"title":"Default Title","offer_id":51538275074354,"sku":"1026459","price":73.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/29caa5f6ddb744b346157b8b43fb2b80.jpg?v=1785821431","url":"https:\/\/voomisupply.com\/products\/browning-1026459-single-groove-sheave-1-in-bore-cast-iron","provider":"Voomi Supply","version":"1.0","type":"link"}