{"product_id":"liftmaster-k12-10331-flange-bearing-for-sd-apt-operators","title":"LiftMaster K12-10331 Flange Bearing for SD \u0026 APT Operators","description":"\u003ch2\u003ePrecision-Machined Flange Bearing for High-Cycle Commercial Operators\u003c\/h2\u003e\n\u003cp\u003eThe LiftMaster K12-10331 is a precision-engineered replacement flange bearing designed to support drive shaft assemblies in commercial-grade SD and APT series door operators. With a durable 3\/4\" inner diameter and corrosion-resistant construction, this bearing ensures smooth rotational performance and long-term reliability in demanding security applications.\u003c\/p\u003e\n\u003cp\u003eWhether maintaining overhead commercial doors or securing vehicle access points, replacing worn or degraded bearings is critical to preserving operator efficiency and system integrity.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Replacement\u003c\/strong\u003e: Compatible with various LiftMaster SD and APT commercial operators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction\u003c\/strong\u003e: Zinc-plated steel housing resists wear and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Fit\u003c\/strong\u003e: Measures 3\/4\" ID x 1-1\/2\" OD x 1\/8\" flange thickness for secure seating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Rotation\u003c\/strong\u003e: Provides reliable shaft support under continuous-duty operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: K12-10331\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlso Known As\u003c\/strong\u003e: 12-10331, 11A52, 1210331\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing Type\u003c\/strong\u003e: Flange bearing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter\u003c\/strong\u003e: 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter Diameter\u003c\/strong\u003e: 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange Thickness\u003c\/strong\u003e: 1\/8\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Zinc-plated steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: LiftMaster SD and APT commercial operators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConclusion\u003c\/h3\u003e\n\u003cp\u003eThe LiftMaster K12-10331 flange bearing is a vital component for maintaining peak performance in commercial overhead operator systems. Designed for high-cycle reliability, this replacement bearing supports smooth shaft motion while minimizing wear on critical drive components.\u003c\/p\u003e","brand":"LiftMaster","offers":[{"title":"Default Title","offer_id":39876012802159,"sku":"K12-10331","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0141\/9617\/8998\/products\/K12-10331.jpg?v=1753913760","url":"https:\/\/theelitegateoffers.com\/products\/liftmaster-k12-10331-flange-bearing-for-sd-apt-operators","provider":"Elite Gates","version":"1.0","type":"link"}