McKinney TA786-5x4-1/2-US26D Full Mortise Heavy Weight Concealed Bearing Hinge, Three Knuckle, 5" x 4-1/2", Square Corner, 626 Satin Chrome Finish

The McKinney TA786-5x4-1/2-US26D is a full mortise heavy weight hinge built for demanding, high-traffic commercial openings. Featuring a three knuckle concealed bearing design, this hinge delivers smooth, quiet operation while standing up to heavy doors and frequent use. It measures 5" x 4-1/2" with square corners and is finished in a durable 626 satin chrome (US26D) that resists wear and corrosion. Made from steel and engineered to McKinney's proven standards, the TA786 is a reliable choice for institutional, healthcare, and other applications where long-term performance matters. Its concealed bearings keep the hardware clean in appearance while supporting the weight of substantial door assemblies.

Features

• Full mortise mounting for standard commercial door and frame preparation.
• Heavy weight construction suited for heavy or high-frequency doors.
• Three knuckle design with concealed bearings for smooth, quiet swing.
• 5" x 4-1/2" size with square corners.
• Attractive and durable 626 satin chrome (US26D) finish.
• Steel base material for strength and long service life.

Functional Details

The concealed bearing system positions the bearings within the knuckle assembly, providing consistent, low-friction movement while keeping the hinge profile clean and hidden from view. This construction supports heavier door weights and prolonged cycle life.

• Concealed bearing hinge for heavy weight, high frequency applications.
• Recommended for use on doors requiring extra strength and durability.