Hager BB1191 4-1/2X4-1/2 26D ETW4 Standard Weight Hinge

Hager BB1191 4-1/2" x 4-1/2" 26D ETW4 Hinge offers a robust solution for your door hardware needs. This full mortise ball bearing hinge, featuring a standard weight and satin chrome finish, is designed for both hollow metal and wood composite doors, ensuring reliable performance in medium frequency service environments. With its five knuckled design and four wires, this hinge promises smooth operation and durability. Manufactured in accordance with ANSI/BHMA A156.1 standards, the BB1191 hinge is ideal for commercial installations. It is fire rated for up to three hours, adding an extra layer of safety to your building’s infrastructure. The non-removable pin type ensures added security, making it an excellent choice for high-traffic areas. For optimal installation, it's essential to consider door thickness, backset, and necessary clearance when determining hinge placement. Hager's reputation as a premier designer and manufacturer of architectural hinges is reflected in this product's quality and versatility. Available for individual purchase, the Hager BB1191 hinge is a dependable choice for professionals seeking a blend of functionality and aesthetic appeal in their door hardware solutions.

HINGE, STANDARD WEIGHT

Full Mortise Ball Bearing Hinge, Standard Weight, 4-1/2" by 4-1/2", 5 Knuckle, 4-Wires, Satin Chrome Finish

Ball bearing standard weight brass base hinge For use on hollow metal or wood composite doors with hollow metal frames requiring medium frequency service

There are three dimensions to know in order to determine the minimum width of the hinge: door thickness, backset, and clearance required.

Today, the Hager name is synonymous with architectural hinges. In fact, they are the industry’s premiere designer and manufacturer of architectural hinges, with a product line that offers one of the widest varieties of sizes, shapes, and finishes--all of which meet or exceed ANSI standards. 

• Hinges are manufactured in accordance with ANSI/BHMA A156.1. Self-closing hinges and pivots are in accordance with ANSI/BHMA A156.17 using three hinges per opening on a 3’0” x 7’0” x 1-3/4” (914 mm x 2134 mm x 44 mm) door. 
• Round corners are available in 1/4” (6 mm) (standard) or 5/8” (16 mm) radius.
• Full Mortise Both leaves are mortised, one leaf in the door and one leaf in the frame (wood door or hollow metal door with wood frame or hollow metal frame). Example: BB1279, 4-1/2” x 4-1/2” (114 mm x 114 mm), US26D
• Half Mortise One leaf is mortised in the door and the other is surface applied to the frame (hollow metal door with channel iron frame). Example: BB1109, 4-1/2” (114 mm), US26D
• Full Surface Both leaves are applied to the surface, one to the door and the other to the frame (metal core door or hollow metal door with channel iron frame). Example: BB2171, 5” (127 mm), USP
• Half Surface One leaf is mortised in the frame and the other is surface applied to the face of the door (wood door with wood frame or metal core door with hollow metal frame) Example: BB1163, 5” (152 mm), US26D

Resources

• Hager Commercial Hinges Cut Sheet