Ives Steel 3-Knuckle Concealed Bearing Full Mortise Hinge with Medium Duty Rating
Professional Medium-Duty Hinge Solution for Commercial Applications
The Ives Steel 3-Knuckle Concealed 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. Engineered with two concealed nylon bearings for smooth operation and durability, this steel construction 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 Load Capacity: Designed for doors up to 150 lbs with usage up to 400 cycles per day for reliable commercial performance.
- Concealed Bearing Design: Features two concealed nylon bearings for smooth, quiet operation and extended service life in high-usage applications.
- Heavy-Duty Steel Construction: Steel substrate provides exceptional durability and strength for demanding commercial environments.
- Complete Fastener Package: Includes 12-24 x 1/2" UFPHMS and 12 x 1-1/4" FPHWS fasteners for hollow metal and wood doors, plus 10-24 x 1/2" UFPHMS and 10 x 1" FPHWS for 3.5x3.5 hinge sizes.
- Door Closer Compatible: Specifically recommended for use with door closers for enhanced functionality and controlled door operation.
- 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 configurations.
- ANSI/BHMA Certified: Exceeds ANSI/BHMA A156.1 performance standards and meets A156.7 template dimensions for code compliance and reliable performance.
- UL Classified: UL Classified for windstorm rated assemblies (R37965) ensuring performance in demanding environmental conditions.
Technical Specifications
- ANSI/BHMA: ANSI/BHMA A156.1
- Bearing Type: Concealed Bearing
- Commercial/Residential: Commercial
- Corner Style: Square Corners
- Department: Door Hardware
- Duty Level: Medium Duty
- Fasteners: Wood and Machine Screws
- Knuckles: 3
- Product Category: Door Hinges and Pivots
- Product Function: Concealed Bearing
- Product Group: Door Hinges and Pivots
- Product Model: 3CB1
- Product Subgroup: Full Mortise Hinges
- Product Substrate: Steel
- Product Type: Hinges
- Subcategory: Hinges and Pivots
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- 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 Ives Quality?
Ives architectural hinges deliver professional-grade reliability with steel construction and concealed bearing design tested to exceed ANSI/BHMA A156.1 performance standards. UL Classified for windstorm rated assemblies and engineered with two concealed nylon bearings for smooth operation up to 400 cycles per day. Engineered for demanding commercial applications where dependable performance and code compliance are essential.
Manufacturer Resources
Product Specs
- Subcategory:
- Hinges and Pivots
- Knuckles:
- 3
- Fasteners:
- Wood and Machine Screws
- Corner Style:
- Square Corners
- Product Group:
- Door Hinges and Pivots
- Product Subgroup:
- Full Mortise Hinges
- Product Type:
- Hinges
- ANSI/BHMA:
- ANSI/BHMA A156.1
- Duty Level:
- Medium Duty
- Commercial/Residential:
- Commercial
- Bearing Type:
- Concealed Bearing
- Product Model:
- 3CB1
- Product Function:
- Concealed Bearing
- Product Category:
- Door Hinges and Pivots
- Product Substrate:
- Steel
- Department:
- Door Hardware