{"product_id":"mckinney-ta786-4-1-2x4-full-mortise-heavy-weight-concealed-bearing-hinge","title":"McKinney TA786-4-1\/2x4 Full Mortise Heavy Weight Concealed Bearing Hinge","description":"\u003ch2\u003eMcKinney TA786-4-1\/2x4 Full Mortise Heavy Weight Concealed Bearing Hinge, Three Knuckle, 4-1\/2\" x 4\", Square Corner\u003c\/h2\u003e\u003cp\u003eThe McKinney TA786-4-1\/2x4 is a full mortise, heavy weight hinge built for high-frequency and high-traffic openings where durability matters most. Featuring a three knuckle design with concealed bearings, it delivers smooth, quiet operation while handling heavy doors with ease. Measuring 4-1\/2\" x 4\" with square corners, this hinge is engineered to standard commercial template dimensions for reliable installation on new or replacement projects. As part of McKinney's trusted TA-series, it offers the strength and long service life expected in institutional, healthcare, and commercial environments. Its concealed bearing construction keeps moving parts protected, reducing wear and maintaining consistent performance over years of use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eFull mortise mounting for standard commercial door and frame preparation.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eHeavy weight construction suited to high-frequency, high-traffic doors.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eThree knuckle design with concealed bearings for smooth, quiet swing.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e4-1\/2\" x 4\" size with square corners for standard template compatibility.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eNon-removable pin options available for added security on out-swinging doors.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFunctional Details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe concealed bearing design positions the bearings within the knuckles, protecting them from dirt and wear while supporting heavy door weights. This configuration allows the hinge to carry substantial loads across frequent daily cycles without binding or sagging.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003eConcealed bearing, heavy weight hinge.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eRecommended for high frequency and\/or heavy weight doors.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eThree knuckle, full mortise construction.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Specifications\u003c\/h4\u003e\u003ctable\u003e\n\u003ccolgroup\u003e\n\u003ccol\u003e\n\u003ccol\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eManufacturer\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eMcKinney\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eSKU\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eTA786-4-1\/2X4\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eGrade\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eHeavy Weight\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eOrigin\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eUSA\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eUnit of Measure\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eEach\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eHinge Type\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eFull Mortise, Concealed Bearing\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eKnuckle Configuration\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eThree Knuckle\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eCorner Type\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eSquare Corner\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eUL Listing Type\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eUL Listed\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eANSI Number\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eA8112\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eBAA Qualified\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eYes\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eLimited Warranty\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eYes\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003ctable\u003e\n\u003ccolgroup\u003e\n\u003ccol\u003e\n\u003ccol\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eHinge Height\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003e4-1\/2\"\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eHinge Width (Open)\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003e4\"\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eNumber of Knuckles\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003e3\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eBearing Type\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eConcealed\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eWeight Class\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eHeavy Weight\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eCorner Radius\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eSquare\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eNumber of Bearings\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003e2\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eStandard Holes\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003e8 holes\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003ePin Type\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eStandard \/ Non-Removable options\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eFrequency Rating\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eHigh Frequency\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eMounting\u003c\/p\u003e\u003c\/th\u003e\n\u003ctd colspan=\"1\" rowspan=\"1\"\u003e\u003cp\u003eFull Mortise Template\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003c\/p\u003e","brand":"MCKINNEY","offers":[{"title":"US26D-626 Satin Chrome","offer_id":48333228146894,"sku":"TA786454US26D","price":49.09,"currency_code":"USD","in_stock":true},{"title":"US15-619 Satin Nickel","offer_id":48333228179662,"sku":"TA786454US15","price":59.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/3493\/4478\/files\/McKinney_TA786-4-12x4-US26D.png?v=1788886068","url":"https:\/\/qualitydoor.com\/products\/mckinney-ta786-4-1-2x4-full-mortise-heavy-weight-concealed-bearing-hinge","provider":"QualityDoor.com","version":"1.0","type":"link"}