Description

McKinney® TA714 – 4.5″ x 4.5″ Concealed Bearing Hinge

The McKinney® T4A3386 5″x4.5″ Heavy-Weight Bearing Hinge provides superior strength and corrosion resistance for demanding, high-traffic environments. Made from stainless steel with a .180 heavy-weight gauge, this hinge supports heavy wood or metal doors in schools, hospitals, and other public buildings where durability is critical.

Because it features oil-impregnated bearings, the hinge reduces friction and delivers smooth, long-lasting performance. In addition, the five-knuckle full mortise design enhances stability and load support for extra-heavy doors. Furthermore, it meets ANSI/BHMA A156.1 standards, carries a UL 3-hour fire rating, and complies with NFPA 80 requirements. As a result, it ensures both strength and code compliance in heavy-duty commercial applications.

Key Features:

• Size: 4-1/2″ x 4-1/2″
• Material: Steel
• Weight: Standard Weight (.134 gauge)
• Design: Full Mortise, 3-Knuckle
• Corner Type: Square
• Handing: Non-handed
• Bearing Type: Concealed Bearing (anti-friction at both joints)
• Template hole pattern for accurate installation
• Meets ANSI/BHMA A156.1 Standards
• ANSI Cross Reference: A8112
• UL Listed – 3 Hour Fire Rating
• NFPA 80 Compliant
• Packed with wood and metal screws

Benefits:

• Provides smooth and quiet operation with concealed bearings
• Reduces friction and extends hinge life
• Supports standard weight and medium-frequency doors
• Ensures fire safety and code compliance
• Coordinates with Rockwood pulls, coat hooks, and door stops
• Pairs well with Corbin Russwin and Sargent decorative levers

Applications:

The McKinney® TA714 – 4.5″ x 4.5″ Concealed Bearing Hinge is ideal for offices, schools, healthcare facilities, and other commercial buildings. Whenever a standard weight hinge is required for medium-duty use—especially on doors with closers—this concealed bearing hinge delivers dependable, long-term performance.