Hager BB1129 Half Mortise Ball Bearing Hinge - 5 Knuckle Steel Construction for Medium Duty Commercial Applications

Hager BB1129 Half Mortise Ball Bearing Hinge - 5 Knuckle Steel Construction for Medium Duty Commercial Applications

Professional Half Mortise Hinge Solution for Commercial Door Applications

The Hager BB1129 Half Mortise Ball Bearing Hinge delivers reliable performance for medium weight hollow metal doors with channel iron frames requiring medium frequency service. This 5-knuckle steel construction hinge features dual ball bearings and meets ANSI A8212 certification standards. The reversible design with beveled surface leaf provides versatile installation options for commercial applications.

Professional Features & Benefits

• Dual Ball Bearing System: Two ball bearings provide smooth operation and extended service life for medium duty commercial applications.
• 5-Knuckle Steel Construction: Durable steel construction with steel pin ensures long-lasting performance in demanding environments.
• Half Mortise Design: One leaf mortised in door, other surface applied to frame - ideal for hollow metal doors with channel iron frames.
• Reversible Configuration: Beveled surface leaf design allows for flexible installation on left or right-hand doors.
• Non-Rising Removable Pin: Button tip and plug design enables easy maintenance and door removal when needed.
• ANSI Certified Performance: Meets ANSI A8212 standards for reliable commercial-grade operation.
• Multiple Finish Options: Available in USP, US10B, and US26D finishes to match various architectural requirements.
• Standard Fastener Compatibility: Door leaf uses 1/2" x 12-24" FH fasteners, jamb leaf uses 1/2" x 12-24 OH fasteners.
• Two ball bearings. Non-rising removable pin with button tip and plug.;

Technical Specifications

• ANSI/BHMA: ANSIA8412
• Applications: For use on medium weight hollow metal doors with channel iron frames requiring medium frequency service.
• Bearing Type: Ball Bearing
• Certifications: ANSI A8212;
• Commercial/Residential: Commercial
• Duty Level: Medium Duty
• Fastener Size - Machine: Door Leaf: 1/2" x 12-24" FH, Jamb Leaf: 1/2" x 12-24 OH .
• Features: Half Mortise, 5-Knuckle, Ball Bearing, Standard Weight.
• Finishes: USP, US10B, US26D;
• Knuckles: Features: Two ball bearings. Non-rising removable pin with button tip and plug. ;
• Material: Steel with Steel Pin ;
• Notes: Beveled surface leaf
• Subcategory: Half Surface Commercial Hinges

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Multi-Tenant Residential Properties
• Government and Municipal Buildings

Why Choose Hager Quality?

Hager architectural hinges deliver professional-grade reliability with steel construction and dual ball bearing systems engineered for medium duty commercial applications. Meeting ANSI A8212 certification standards, this hinge provides dependable performance where consistent operation is essential. Hager’s reputation as the industry’s premiere designer and manufacturer of architectural hinges ensures quality that meets or exceeds ANSI standards for demanding commercial environments.