Mckinney Hinges TA271441226DNRP 4.5in Ball Bearing Hinge Nrp

Product Description

The MCKINNEY HINGES TA271441226DNRP is a 4.5 x 4.5 inch square corner, standard weight architectural hinge designed for commercial door applications. It features a 5-knuckle ball bearing design for smooth, consistent operation under heavy use cycles. The non-removable pin (NRP) construction adds a critical security layer by preventing pin extraction from the exterior side of the door. Finished in Satin Chrome (finish code 26), this hinge is suited for high-traffic commercial openings where both durability and appearance are required. Licensed contractors and commercial door hardware installers are the primary trades that specify and install this product.

This hinge is intended for commercial hollow metal or wood door frames in new construction and renovation projects. The square corner profile fits standard commercial mortise prep and is appropriate for doors requiring a code-compliant, non-removable pin hinge in accessible or secured egress applications. The ball bearing mechanism supports repeated open-close cycles typical of office, institutional, and light industrial environments. Packaged and sold as a single unit (EA), with a case quantity of 48.

Key Features

• 4.5 x 4.5 inch square corner profile fits standard commercial door mortise prep
• 5-knuckle ball bearing design for smooth, low-friction door swing under continuous use
• Non-removable pin (NRP) construction resists unauthorized pin removal on outswing doors
• Satin Chrome finish (finish code 26) provides a clean, professional appearance
• Standard weight construction appropriate for typical commercial door weights and frequencies
• Sold individually; case quantity of 48 available for bulk project orders

Compatibility

Designed as an OEM-style commercial architectural hinge for standard square corner mortise door preparations in hollow metal and wood commercial door frames.

Installation Notes

Installation should be performed by a licensed door hardware installer or qualified contractor familiar with commercial door hardware and applicable building codes. Power down any electrified hardware in the opening before beginning work. Verify the mortise prep dimensions on both the door and frame match the 4.5 x 4.5 inch square corner profile before installation. Torque fasteners per the door and frame manufacturer specifications and confirm the non-removable pin is oriented correctly toward the secure side of the opening.