Ives 5BB1 Ball Bearing Swing Clear Full Mortise Hinge with Wide ThrowProfessional Medium-Duty Ball Bearing Hinge SolutionThe Ives 5BB1 SC/BSC is a 5-knuckle ball bearing swing clear hinge engineered for medium weight doors up to 150 lbs and medium frequency usage up to 400 cycles per day. This full mortise hinge features dual ball bearing assemblies for smooth operation and is specifically designed for use with door closers. The wide throw swing clear design provides maximum door opening clearance for accessibility applications.Professional Features & BenefitsMedium-Duty Load Capacity: Engineered for doors up to 150 lbs with usage up to 400 cycles per day for reliable performance in commercial applications.Ball Bearing Operation: Dual ball bearing assemblies provide smooth, quiet operation and extended service life under regular use.Swing Clear Wide Throw Design: Provides maximum door opening clearance for accessibility compliance and unobstructed passage.Door Closer Compatible: Specifically recommended for use with door closers to ensure proper operation and longevity.Complete Fastener Package: Includes 12-24 x 1/2″ UFPHMS and 12 x 1 1/4″ FPHWS fasteners for both hollow metal and wood door installations.Extensive Option Availability: Hospital tip, non-removable pin, security studs, rounded corners, security fasteners, and electrification options including TW4, TW8, TW12, and monitor configurations.Substrate Flexibility: Available in 1040 Steel substrate for standard finishes or 304 Stainless Steel substrate for finish 630 applications.BHMA Grade 2 Certification: Certified to exceed ANSI/BHMA A156.1 performance standards with 1,500,000 cycle rating for demanding commercial use.Technical SpecificationsANSI/BHMA: ANSI/BHMA A156.1Bearing Type: Ball BearingCommercial/Residential: CommercialCorner Style: Square CornersDepartment: Door HardwareDuty Level: Medium DutyFasteners: Wood and Machine ScrewsGrade: Grade 2Knuckles: 5Product Category: Door Hinges and PivotsProduct Group: Door Hinges and PivotsProduct Model: 5BB1 SC/BSCProduct Subgroup: Full Mortise HingesProduct Substrate: Steel, Stainless SteelProduct Type: HingesSubcategory: Hinges and PivotsInstallation & OperationReview manufacturer specifications and verify door preparation requirements including door thickness, weight capacity up to 150 lbs, and handing as applicable to this swing clear hinge.Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for full mortise installation.Prepare door and frame by routing mortise pockets and drilling required holes as specified in manufacturer instructions.Install all mounting hardware using provided fasteners (12-24 x 1/2″ UFPHMS for hollow metal, 12 x 1 1/4″ FPHWS for wood) and secure per manufacturer torque specifications.Adjust hinge alignment for proper swing clear operation, ensuring maximum door opening clearance and smooth operation throughout the full range of motion.Test device operation to verify proper function with door closer if applicable and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.Professional ApplicationsCommercial Office BuildingsEducational FacilitiesHealthcare InstitutionsRetail EstablishmentsIndustrial and Warehouse FacilitiesMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsWhy Choose Ives Quality?Ives 5BB1 hinges deliver professional-grade reliability with dual ball bearing construction rated for 1,500,000 cycles under BHMA Grade 2 standards. Certified to exceed ANSI/BHMA A156.1 performance requirements and UL Classified for windstorm rated assemblies (R37965). Engineered for demanding commercial applications where dependable swing clear performance and accessibility compliance are essential.