{"product_id":"mckinney-ta2731-4-1-2x4-full-mortise-standard-weight-concealed-bearing-hinge-two-knuckle","title":"McKinney TA2731-4-1\/2x4 Full Mortise Standard Weight Concealed Bearing Hinge, Two Knuckle","description":"\u003ch2\u003eMcKinney TA2731-4-1\/2x4 Full Mortise Standard Weight Concealed Bearing Hinge, Two Knuckle, 4-1\/2\" x 4\", Square Corner\u003c\/h2\u003e\u003cp\u003eThe McKinney TA2731 is a full mortise, standard weight hinge built for reliable performance on medium-frequency doors in commercial and institutional settings. Featuring a two-knuckle concealed bearing design, this hinge delivers smooth, quiet operation while keeping the bearing hidden for a clean appearance. Measuring 4-1\/2\" x 4\" with square corners, it's manufactured from steel and rated for high-frequency service. The concealed bearing construction reduces wear over time, making the TA2731 a dependable choice for hollow metal and wood door applications where durability and consistent swing are essential. It ships with matching fasteners for straightforward installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull mortise design for standard door and frame preparation.\u003c\/li\u003e\n\u003cli\u003eTwo-knuckle concealed bearing construction for smooth, quiet operation.\u003c\/li\u003e\n\u003cli\u003eStandard weight build suited for medium- and high-frequency door use.\u003c\/li\u003e\n\u003cli\u003e4-1\/2\" x 4\" size with square corners for common commercial openings.\u003c\/li\u003e\n\u003cli\u003eSteel construction for strength and long service life.\u003c\/li\u003e\n\u003cli\u003eIncludes matching machine and wood screws for installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFunctional Details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe concealed bearing sits within the knuckle, carrying the load of the door while shielding the bearing from dirt and tampering. This allows the hinge to support consistent, low-friction movement over repeated cycles.\u003c\/p\u003e\u003ch4\u003eProduct Specifications\u003c\/h4\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMcKinney\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTA2731-4-1\/2X4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHinge Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull Mortise, Two Knuckle Concealed Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCorner Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSquare Corner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh Frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBAA Qualified\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLimited Warranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth (Open)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Knuckles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBearing Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConcealed Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGauge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.134\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Bearings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHole Pattern\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon-Removable \/ Standard Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eScrews Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMachine and Wood Screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull Mortise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"MCKINNEY","offers":[{"title":"US26D-626 Satin Chrome \/ LH Left Hand","offer_id":48391332004046,"sku":"TA2731454US26DLH","price":38.0,"currency_code":"CAD","in_stock":true},{"title":"US26D-626 Satin Chrome \/ RH Right Hand","offer_id":48391351271630,"sku":"TA2731454US26DRH","price":38.0,"currency_code":"CAD","in_stock":true},{"title":"US26-625 Bright Chrome \/ LH Left Hand","offer_id":48391351206094,"sku":"TA2731454US26LH","price":56.0,"currency_code":"CAD","in_stock":true},{"title":"US26-625 Bright Chrome \/ RH Right Hand","offer_id":48391351304398,"sku":"TA2731454US26RH","price":56.0,"currency_code":"CAD","in_stock":true},{"title":"Dark Bronze \/ LH Left Hand","offer_id":48391351238862,"sku":"TA2731454D3LH","price":56.0,"currency_code":"CAD","in_stock":true},{"title":"Dark Bronze \/ RH Right Hand","offer_id":48391351337166,"sku":"TA2731454D3RH","price":56.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/3493\/4478\/files\/MckinneyTA2731454US26DLH.png?v=1790095185","url":"https:\/\/qualitydoorhardware.ca\/products\/mckinney-ta2731-4-1-2x4-full-mortise-standard-weight-concealed-bearing-hinge-two-knuckle","provider":"QualityDoor.com","version":"1.0","type":"link"}