{"product_id":"mckinney-hinges-ta271441226dnrp-4-5in-ball-bearing-hinge-nrp","title":"Mckinney Hinges TA271441226DNRP 4.5in Ball Bearing Hinge Nrp","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe MCKINNEY HINGES TA271441226DNRP is a 4.5 x 4.5 inch square corner, standard weight architectural hinge designed for commercial door applications. It features a 5-knuckle ball bearing design for smooth, consistent operation under heavy use cycles. The non-removable pin (NRP) construction adds a critical security layer by preventing pin extraction from the exterior side of the door. Finished in Satin Chrome (finish code 26), this hinge is suited for high-traffic commercial openings where both durability and appearance are required. Licensed contractors and commercial door hardware installers are the primary trades that specify and install this product.\u003c\/p\u003e\n\u003cp\u003eThis hinge is intended for commercial hollow metal or wood door frames in new construction and renovation projects. The square corner profile fits standard commercial mortise prep and is appropriate for doors requiring a code-compliant, non-removable pin hinge in accessible or secured egress applications. The ball bearing mechanism supports repeated open-close cycles typical of office, institutional, and light industrial environments. Packaged and sold as a single unit (EA), with a case quantity of 48.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e4.5 x 4.5 inch square corner profile fits standard commercial door mortise prep\u003c\/li\u003e\n  \u003cli\u003e5-knuckle ball bearing design for smooth, low-friction door swing under continuous use\u003c\/li\u003e\n  \u003cli\u003eNon-removable pin (NRP) construction resists unauthorized pin removal on outswing doors\u003c\/li\u003e\n  \u003cli\u003eSatin Chrome finish (finish code 26) provides a clean, professional appearance\u003c\/li\u003e\n  \u003cli\u003eStandard weight construction appropriate for typical commercial door weights and frequencies\u003c\/li\u003e\n  \u003cli\u003eSold individually; case quantity of 48 available for bulk project orders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style commercial architectural hinge for standard square corner mortise door preparations in hollow metal and wood commercial door frames.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed door hardware installer or qualified contractor familiar with commercial door hardware and applicable building codes. Power down any electrified hardware in the opening before beginning work. Verify the mortise prep dimensions on both the door and frame match the 4.5 x 4.5 inch square corner profile before installation. Torque fasteners per the door and frame manufacturer specifications and confirm the non-removable pin is oriented correctly toward the secure side of the opening.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHinge Size\u003c\/strong\u003e: 4.5 x 4.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Type\u003c\/strong\u003e: Square Corner\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKnuckle Count\u003c\/strong\u003e: 5 Knuckle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBearing Type\u003c\/strong\u003e: Ball Bearing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin Type\u003c\/strong\u003e: Non-Removable Pin (NRP)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Satin Chrome (26)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight Class\u003c\/strong\u003e: Standard Weight\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 3 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaged Length\u003c\/strong\u003e: 5.6 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaged Width\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaged Height\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSales Unit\u003c\/strong\u003e: Each (EA)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCase Quantity\u003c\/strong\u003e: 48\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: MCKINNEY HINGES\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: TA271441226DNRP\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MCKINNEY","offers":[{"title":"Default Title","offer_id":51557939249458,"sku":"TA271441226DNRP","price":17.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/f624ca538a35c45004a98fb4bf439296.jpg?v=1786398958","url":"https:\/\/voomisupply.com\/products\/mckinney-hinges-ta271441226dnrp-4-5in-ball-bearing-hinge-nrp","provider":"Voomi Supply","version":"1.0","type":"link"}