Hager 497 Heavy-Duty Bottom Pivot Hinge with Ball Bearing - Forged Bronze Full Mortise

Hager 497 Heavy-Duty Bottom Pivot Hinge with Ball Bearing - Forged Bronze Full Mortise

Professional Ball and Thrust Bearing Bottom Pivot Solution

The Hager 497 adjustable bottom pivot hinge delivers heavy-duty performance for commercial door applications up to 350 pounds and 8' in height. Featuring forged bronze construction with ball and thrust bearing operation, this full mortise pivot provides smooth, reliable operation with 3/4" offset design. ANSI/BHMA A156.1 compliant construction ensures professional-grade durability for demanding commercial installations.

Professional Features & Benefits

• Heavy-Duty Load Capacity: Supports doors up to 350 pounds and maximum dimensions of 3'0" x 8'0" for reliable performance in high-traffic applications.
• Ball and Thrust Bearing Operation: Precision bearing system ensures smooth door operation and extended service life under heavy use conditions.
• Forged Bronze Construction: Durable forged bronze material provides exceptional strength and corrosion resistance for long-term commercial performance.
• Full Mortise Design: Both leaves mortise into door and frame for clean, professional appearance and maximum structural integrity.
• Adjustable Offset Configuration: 3/4" (19mm) offset accommodates various door and frame configurations for versatile installation options.
• ANSI Compliance: Manufactured in accordance with ANSI/BHMA A156.1 standards ensuring consistent quality and performance specifications.
• Handed Operation: Specify handing when ordering for proper door swing direction and optimal performance.
• Professional Fastener System: Includes 5/8" x 1/4-20" machine screws and 1-1/4" x 14 wood screws for secure mounting in various applications.
• Handed (specify handing when ordering);

Technical Specifications

• ANSI/BHMA: ANSIC07131
• Applications: Heavy-Duty
• Bearing Type: Ball Bearing
• Commercial/Residential: Commercial
• Door Hand Direction: Handed
• Door Weight: Up to 500 lbs
• Duty Level: Heavy Duty
• Electronic: No
• Fastener Size - Machine: 5/8 " x 1/4-20 " ;
• Fastener Size - Wood: 1-1/4" x 14";
• Features: Handed (specify handing when ordering) ;
• Finishes: US26D;
• Fire Rating: No
• Lock Type: Mortise
• Material: Forged Bronze ;
• Maximum Door Height: 8' (2438 mm);
• Maximum Door Length: 3 ' (914 mm) ;
• Maximum Door Weight: 350 lbs.;
• Mounting Method: Floor Mounted
• Notes: For doors up to and including 3'0'' x 8'0'' (91 x 244 cm) weighing maximum of 350 pounds, apply all three pivots #495, #496, #497 .
• Offset: 3/4" (19mm) offset.
• Pivot Type: Bottom
• Subcategory: Pivots

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, weight capacity up to 350 pounds, and maximum door dimensions of 3'0" x 8'0".
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and floor surfaces for proper 3/4" offset alignment.
3. Prepare door and floor by drilling required holes and routing as specified in manufacturer instructions for full mortise installation.
4. Install pivot using appropriate fasteners: 5/8" x 1/4-20" machine screws or 1-1/4" x 14 wood screws per manufacturer torque specifications.
5. For doors over 3'6" up to 4'0" in width, install additional intermediate pivot #496 as specified in manufacturer guidelines.
6. Test pivot operation to verify proper function, smooth bearing operation, and door alignment. Refer to manufacturer documentation for complete installation details and pivot set requirements.

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 pivot hinges deliver professional-grade reliability with forged bronze construction and precision ball bearing operation rated for doors up to 350 pounds. ANSI/BHMA A156.1 compliance ensures consistent performance standards for demanding commercial applications. Engineered for heavy-duty use where dependable door operation and long-term durability are essential.

Support Resources

• Commercial Hinges Catalog 2024 (PDF)
• Standard Hinge Locations Guide (PDF)
• Commercial Hinges Cross Reference (PDF)
• Concealed Electric Hinge Modification (PDF)
• Electric Hinge Installation Instructions (PDF)