{"product_id":"liebert-b-069bs","title":"Liebert B-069BS Sheave","description":"\u003cp\u003eThe \u003cstrong\u003eLiebert B-069BS Sheave\u003c\/strong\u003e is a high-grade \u003cstrong\u003eHVAC blower pulley\u003c\/strong\u003e designed for precise power transmission in mission-critical \u003cstrong\u003eVertiv Liebert environmental control units\u003c\/strong\u003e. Featuring a \u003cstrong\u003e1 1\/8\" bore diameter\u003c\/strong\u003e, this sheave is engineered to maintain exact belt alignment, reducing vibration and preventing premature \u003cstrong\u003eV-belt wear\u003c\/strong\u003e in high-static pressure applications. Built with heavy-duty materials, the \u003cstrong\u003eB-069BS\u003c\/strong\u003e ensures consistent RPM regulation for blower motors, which is essential for maintaining the strict airflow requirements of data center cooling systems.\u003c\/p\u003e\n\n\u003cp\u003eFor technicians performing \u003cstrong\u003epreventive maintenance\u003c\/strong\u003e, replacing a worn or \"dished\" sheave with this genuine \u003cstrong\u003eOEM Liebert part\u003c\/strong\u003e restores drive-train efficiency and eliminates the mechanical squealing often associated with slipping belts. Its robust construction resists the frictional heat generated during continuous operation, protecting the motor shaft and bearings from unnecessary radial loads. Whether you are servicing a \u003cstrong\u003eLiebert DS\u003c\/strong\u003e or a standard industrial air handler, the \u003cstrong\u003eLiebert B-069BS\u003c\/strong\u003e provides the reliable \u003cstrong\u003epower transmission\u003c\/strong\u003e required to minimize downtime and optimize energy consumption.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision 1 1\/8\" Bore:\u003c\/strong\u003e Ensures a secure, slip-free fit on standard \u003cstrong\u003eHVAC blower motor\u003c\/strong\u003e shafts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnhanced Belt Traction:\u003c\/strong\u003e Properly machined grooves maximize \u003cstrong\u003eV-belt\u003c\/strong\u003e contact, preventing power loss and heat buildup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Industrial Build:\u003c\/strong\u003e Engineered to withstand the rigorous duty cycles of \u003cstrong\u003e24\/7 data center cooling\u003c\/strong\u003e environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e Direct replacement for the \u003cstrong\u003eLiebert B-069BS\u003c\/strong\u003e, ensuring seamless integration with existing drive components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVibration Reduction:\u003c\/strong\u003e Balanced design minimizes mechanical noise and extends the service life of \u003cstrong\u003emotor bearings\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the signs that my Liebert sheave needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nVisual \"dishing\" or concave wear in the groove walls indicates the part is no longer making full contact with the belt. You may also notice persistent belt squealing or frequent \u003cstrong\u003eHVAC belt replacements\u003c\/strong\u003e despite proper tensioning.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the Liebert B-069BS compatible with non-Liebert air handlers?\u003c\/strong\u003e\u003cbr\u003e\nWhile designed specifically for \u003cstrong\u003eLiebert\/Vertiv units\u003c\/strong\u003e, this sheave can be used in any industrial application requiring a \u003cstrong\u003e1 1\/8-inch bore sheave\u003c\/strong\u003e, provided the outer diameter and belt profile match your system's specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I ensure proper alignment when installing this pulley?\u003c\/strong\u003e\u003cbr\u003e\nAlways use a laser alignment tool or a straight edge across the faces of both the \u003cstrong\u003emotor sheave\u003c\/strong\u003e and the fan pulley. Misalignment can lead to rapid belt failure and increased energy costs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong style=\"color: red;\"\u003eThis item is not eligible for free shipping.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Liebert","offers":[{"title":"Default Title","offer_id":44970349985970,"sku":"B-069BS","price":482.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_09ce85c9-f7fa-4358-9b79-892c1fb4c9f8.png?v=1747955478","url":"https:\/\/www.gsistore.com\/en-ca\/products\/liebert-b-069bs","provider":"GSIstore","version":"1.0","type":"link"}