Ives 5BB1 Ball Bearing Full Mortise Hinge with 5 Knuckles and Square Corners

Ives 5BB1 Ball Bearing Full Mortise Hinge with 5 Knuckles and Square Corners

Professional Grade Ball Bearing Mortise Hinge for Commercial Applications

The Ives 5BB1 Ball Bearing Full Mortise Hinge delivers reliable performance for medium weight doors up to 150 lbs with medium frequency usage up to 400 cycles per day. This Grade 2 hinge features dual ball bearing assemblies and 5 knuckle construction with square corners, engineered from brass or stainless steel substrates. Certified to exceed ANSI/BHMA A156.1 performance standards and UL Classified for windstorm rated assemblies, this hinge is recommended for use with door closers and comes complete with fasteners for both hollow metal and wood door installations.

Professional Features & Benefits

• Medium Duty Performance: Rated for doors up to 150 lbs and medium frequency usage up to 400 cycles per day for reliable commercial operation.
• Dual Ball Bearing Design: Two ball bearing assemblies provide smooth operation and extended service life for heavy doors and high usage applications.
• Grade 2 Durability: Tested to 1,500,000 cycles meeting BHMA Grade 2 standards for standard weight ball bearing applications.
• Premium Substrate Options: Available in brass substrate (all finishes except 629/630) or stainless steel substrate (finishes 629/630) for corrosion resistance and durability.
• Complete Fastener Package: Includes 12-24 x 1/2" UFPHMS and 12 x 1-1/4" FPHWS screws for hollow metal and wood doors, plus 10-24 x 1/2" UFPHMS and 10 x 1" FPHWS for 3.5x3.5 hinge sizes.
• Extensive Customization Options: Available with hospital tip (HT), non-removable pin (NRP), security stud (SH), rounded corners (RC-1/4, RC-5/8), security fasteners (SEC), and electrification options including TW4, TW8, TW12, and monitor capabilities.
• Code Compliance: Exceeds ANSI/BHMA A156.1 performance standards, meets ANSI/BHMA 156.7 template dimensions, and UL Classified for windstorm rated assemblies (R37965).
• Professional Installation Ready: Recommended for use with door closers and designed for full mortise installation in both residential and commercial applications.

Technical Specifications

• ANSI/BHMA: ANSI/BHMA A156.1
• Bearing Type: Ball Bearing
• Commercial/Residential: Commercial
• Corner Style: Square Corners
• Department: Door Hardware
• Duty Level: Medium Duty
• Fasteners: Wood and Machine Screws
• Grade: Grade 2
• Knuckles: 5
• Product Category: Door Hinges and Pivots
• Product Group: Door Hinges and Pivots
• Product Model: 5BB1
• Product Subgroup: Full Mortise Hinges
• Product Substrate: Brass, Stainless Steel
• Product Type: Hinges
• Subcategory: Hinges and Pivots

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, weight capacity (up to 150 lbs), and handing as applicable to this full mortise hinge.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for proper mortise preparation.
3. Prepare door and frame by routing mortise pockets and drilling required holes as specified in manufacturer instructions for full mortise installation.
4. Install all mounting hardware using provided fasteners (12-24 x 1/2" UFPHMS, 12 x 1-1/4" FPHWS for standard installations) and secure the hinge leaves to door and frame per manufacturer torque specifications.
5. Adjust hinge alignment for proper door operation, ensuring smooth swing throughout the full range of motion and proper clearance.
6. Test hinge operation to verify proper function with door closer if applicable 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 Ives Quality?

Ives ball bearing hinges deliver professional-grade reliability with dual ball bearing assemblies tested to 1,500,000 cycles for Grade 2 performance standards. Certified to exceed ANSI/BHMA A156.1 requirements and UL Classified for windstorm rated assemblies, these hinges provide the consistent superior performance demanded in commercial applications. Engineered for demanding installations where dependable operation and long-term durability are essential.