BEST FBB248 Steel Full Mortise Ball Bearing Swing Clear Hinge for Square Edge DoorsProfessional Swing Clear Hinge Solution for Maximum Door ClearanceThe BEST FBB248 is a standard weight swing clear hinge engineered for square edge doors requiring maximum clearance and accessibility. This full mortise ball bearing hinge features steel construction with two permanently lubricated non-detachable ball bearings for smooth operation. The swing clear design allows doors to swing completely clear of the opening when opened 90, making it ideal for applications where space is limited or accessibility is a priority.Professional Features & BenefitsSwing Clear Design: Allows doors to swing completely clear of the opening when opened 90 for maximum clearance and enhanced accessibility.Ball Bearing Operation: Equipped with two permanently lubricated non-detachable ball bearings for smooth, long-lasting performance.Steel Construction: Standard weight steel construction provides reliable durability for commercial applications.Full Mortise Application: Designed specifically for full mortise installation on square edge doors for professional appearance.Reversible Design: Features reversible flush tips and pins for flexible installation and handing requirements.Hospital Tip Option: Can be furnished with hospital tips (HT) for specialized healthcare applications.Versatile Application: Ideal for both remodeling projects and new construction installations.Technical SpecificationsBearing Type: Ball BearingCommercial/Residential: CommercialCorner Style: Square CornersDepartment: Door HardwareDuty Level: Medium DutyHinge Pin Type: RemovableHinge Type: Full MortiseKnuckles: 5Product Category: Door Hinges and PivotsProduct Group: Door Hinges and PivotsProduct Model: FBB248Product Subgroup: Surface and Mortise HingesProduct Type: Full Mortise HingesSeries: Architectural HingesSubcategory: HingesInstallation & OperationReview manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.Professional ApplicationsHealthcare Facilities Requiring ADA ComplianceEducational Institution Accessibility UpgradesCommercial Office Building RenovationsRetail Establishments with Space ConstraintsMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsIndustrial Facilities with Equipment Access RequirementsWhy Choose BEST Quality?BEST hinge products deliver professional-grade reliability with steel construction and permanently lubricated ball bearings for demanding commercial applications. The medium duty rating and 5-knuckle design provide dependable performance where accessibility and smooth operation are essential. Engineered for demanding commercial applications where dependable performance is essential.