Hager Hinge BB127941210D Full Mortise Ball Bearing Hinge

Product Description

The HAGER HINGE BB127941210D is a full mortise, standard weight ball bearing hinge finished in black nickel. It is designed for use on interior and exterior door applications where a clean mortised installation is required. The hinge measures 4.5 inches by 4.5 inches and is built to support standard-weight door assemblies. Ball bearing construction reduces friction during swing cycles and extends service life under regular use. This hinge is typically installed by carpenters, general contractors, or door hardware specialists working on commercial or residential projects.

This hinge is suited for full mortise door installations in both residential and light commercial settings. It fits into routed mortise pockets on both the door and the frame, providing a flush, finished appearance when installed. The black nickel finish makes it a practical choice for door openings where a darker hardware aesthetic is specified. It is sold individually and is available in case quantities of 48 units for higher-volume projects.

Key Features

• Full mortise design seats flush into routed pockets on door and frame
• Ball bearing pivot reduces operational friction and wear over time
• Black nickel finish for a consistent, dark hardware appearance
• Standard weight construction suitable for typical residential and light commercial doors
• 4.5 inch by 4.5 inch leaf size accommodates standard door thicknesses and widths

Compatibility

Designed as an OEM-style replacement or new-installation hinge for standard full mortise door applications requiring a 4.5 inch by 4.5 inch hinge with ball bearing operation.

Installation Notes

Installation is typically performed by a qualified carpenter or door hardware technician. The door and frame must be mortised to the correct depth before mounting to ensure the hinge leaf sits flush with the surface. All fasteners should be fully seated and the door should be checked for proper swing and latch alignment after installation. This product is noted as non-returnable — verify sizing and finish requirements before ordering.