{"product_id":"ives-5bb1-4-5-x-4-5-inch-nrp-ball-bearing-hinge","title":"Ives 5BB1 4.5 x 4.5 Inch NRP Ball Bearing Hinge","description":"\u003ch2\u003eIves 5BB1 4.5 x 4.5 Inch NRP Ball Bearing Hinge\u003c\/h2\u003e\u003cp\u003eThe Ives 5BB1 4.5 x 4.5 Inch NRP Ball Bearing Hinge is a full mortise, five-knuckle hinge built for medium to heavy-weight doors in commercial and institutional settings. Its two ball bearings reduce friction and promote smooth, quiet operation over years of frequent use. The non-removable pin (NRP) design adds an extra layer of security by preventing the pin from being pulled when the door is in the closed position, making it well suited for exterior and out-swinging door applications. With a 4.5-inch square size and durable steel construction, this hinge delivers dependable, long-lasting performance in demanding environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFive-knuckle, full mortise design for standard commercial door preparation.\u003c\/li\u003e\n\u003cli\u003eTwo ball bearings deliver smooth, low-friction swing action.\u003c\/li\u003e\n\u003cli\u003eNon-removable pin (NRP) enhances security on out-swinging doors.\u003c\/li\u003e\n\u003cli\u003e4.5 x 4.5 inch size supports medium to heavy-weight doors.\u003c\/li\u003e\n\u003cli\u003eSteel construction provides strength and durability for high-traffic use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFunctional Details\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe non-removable pin feature secures the hinge pin in place so it cannot be removed while the door is closed, protecting against tampering or forced entry on exterior and reverse-bevel doors. Combined with the ball bearing design, the hinge balances security with reliable, quiet operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull mortise, standard weight, ball bearing hinge.\u003c\/li\u003e\n\u003cli\u003eRecommended for high-frequency, medium to heavy-weight doors.\u003c\/li\u003e\n\u003cli\u003eNon-removable pin (NRP) for added security.\u003c\/li\u003e\n\u003c\/ul\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\u003eIves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5BB1-4.5X4.5-NRP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eANSI\/BHMA Grade 1\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 Ball Bearing\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 Pin (NRP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States\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\u003eUL Listing Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL Listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eANSI Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA8112\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\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5 x 4.5 inches\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\u003e5\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\u003e2 Ball 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