{"product_id":"120-646","title":"120-646","description":"This premium variable-speed single-groove sheave is a critical component for optimizing HVAC blower motor performance. Featuring a precision-engineered 5\/8-inch bore, this adjustable pulley allows for fine-tuning the rotational speed of blower wheels and fans in air handling units. By modifying the pitch diameter, it enables precise airflow control and maintains optimal belt tension within belt-drive systems. Built for durability and balanced rotation, this sheave is an essential replacement part for residential furnaces and commercial cooling systems experiencing reduced airflow, belt slippage, or mechanical vibration.\u003cbr\u003e\nType: Blower Motor Pulley \/ Variable Pitch Sheave\u003cbr\u003e\nSize: 5\/8\" Bore\u003cbr\u003e\nApplication: Used in belt-driven blower assemblies for residential and commercial HVAC units, air handlers, and furnace systems to regulate fan speed and airflow.\u003cbr\u003e\nSpecifications: Single groove design, adjustable\/variable pitch diameter, 5\/8-inch bore size, compatible with standard blower belts.","brand":"BCFurnace","offers":[{"title":"Sheave\/Pulley, Variable, Single Groove, 5\/8\" Bore \/ 120-646","offer_id":50341991252253,"sku":null,"price":207.01,"currency_code":"CAD","in_stock":true},{"title":"Sheave\/Pulley, Variable, Single Groove, 5\/8\" Bore \/ S1-02816451000","offer_id":50341991285021,"sku":null,"price":207.01,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/559a91362357405c99119f8748df3f79.webp?v=1773966261","url":"https:\/\/bcfurnace.myshopify.com\/products\/120-646","provider":"BCFurnace","version":"1.0","type":"link"}