{"product_id":"mckinney-mpb68-4-1-2x4-1-2-full-mortise-macpro-standard-weight-ball-bearing-hinge-five-knuckle","title":"McKinney MPB68-4-1\/2x4-1\/2 Full Mortise MacPro Standard Weight Ball Bearing Hinge, Five Knuckle","description":"\u003ch2\u003eMcKinney MPB68-4-1\/2x4-1\/2 Full Mortise MacPro Standard Weight Ball Bearing Hinge, Five Knuckle, 4-1\/2\" x 4-1\/2\", Square Corner\u003c\/h2\u003e\u003cp\u003eThe McKinney MPB68-4-1\/2x4-1\/2 is a full mortise, five knuckle ball bearing hinge from the trusted MacPro line, built to deliver dependable performance on standard weight, medium to high frequency doors. Measuring 4-1\/2\" x 4-1\/2\" with a square corner profile, this hinge combines two ball bearings with a durable steel base for smooth, quiet operation over years of use. Its five knuckle design ensures balanced load distribution and a clean, professional appearance on commercial openings. Suitable for interior applications where reliability matters, the MPB68 is a practical choice for offices, schools, and institutional buildings that demand consistent door movement and long service life.\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 preparations.\u003c\/li\u003e\n\u003cli\u003eFive knuckle configuration provides even load distribution and a refined look.\u003c\/li\u003e\n\u003cli\u003eTwo ball bearings deliver smooth, quiet swing on medium to high frequency doors.\u003c\/li\u003e\n\u003cli\u003eStandard weight construction suited for typical commercial door applications.\u003c\/li\u003e\n\u003cli\u003eSquare corner profile fits standard mortise templates.\u003c\/li\u003e\n\u003cli\u003eAvailable in a range of architectural finishes to match surrounding hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Specifications\u003c\/h4\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eMcKinney\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003eMPB68-4-1\/2x4-1\/2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eFull Mortise Ball Bearing Hinge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKnuckle Configuration\u003c\/th\u003e\n\u003ctd\u003eFive Knuckle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorner Type\u003c\/th\u003e\n\u003ctd\u003eSquare Corner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight Class\u003c\/th\u003e\n\u003ctd\u003eStandard Weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003ctd\u003eCommercial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit of Measure\u003c\/th\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBAA Qualified\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLimited Warranty\u003c\/th\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\u003cth\u003eHinge Size\u003c\/th\u003e\n\u003ctd\u003e4-1\/2\" x 4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Knuckles\u003c\/th\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Bearings\u003c\/th\u003e\n\u003ctd\u003e2 Ball Bearings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBearing Type\u003c\/th\u003e\n\u003ctd\u003eBall Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting Type\u003c\/th\u003e\n\u003ctd\u003eFull Mortise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorner Radius\u003c\/th\u003e\n\u003ctd\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Rating\u003c\/th\u003e\n\u003ctd\u003eMedium to High Frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight Capacity\u003c\/th\u003e\n\u003ctd\u003eStandard Weight Doors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePin Type\u003c\/th\u003e\n\u003ctd\u003eNon-Rising Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Hinge Quantity\u003c\/th\u003e\n\u003ctd\u003ePer door height requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"MCKINNEY","offers":[{"title":"US10BE-613E Dark Oxidized Bronze","offer_id":48391325417678,"sku":"MPB684545US10BE","price":58.0,"currency_code":"CAD","in_stock":true},{"title":"US15-619 Satin Nickel","offer_id":48391349862606,"sku":"MPB684545US15","price":58.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/3493\/4478\/files\/MckinneyMPB684545US10BE.png?v=1790168970","url":"https:\/\/qualitydoorhardware.ca\/products\/mckinney-mpb68-4-1-2x4-1-2-full-mortise-macpro-standard-weight-ball-bearing-hinge-five-knuckle","provider":"QualityDoor.com","version":"1.0","type":"link"}