Ives 3CB1 3-Knuckle Concealed Bearing Full Mortise Hinge - Medium Duty Commercial Grade

Ives 3CB1 3-Knuckle Concealed Bearing Full Mortise Hinge - Medium Duty Commercial Grade

Professional Full Mortise Hinge Solution

The Ives 3CB1 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. Featuring two concealed nylon bearings and 3-knuckle construction, this commercial-grade hinge is designed for use with door closers and meets ANSI/BHMA A156.1 performance standards. Available in brass and stainless steel substrates with square corner design.

Professional Features & Benefits

• Medium Duty Load Capacity: Engineered for doors up to 150 lbs with medium frequency usage up to 400 cycles per day for reliable commercial applications.
• Concealed Bearing Design: Two concealed nylon bearings provide smooth operation and extended service life for high-usage applications.
• Door Closer Compatible: Specifically recommended for use with door closers to ensure proper operation and longevity.
• Complete Fastener Package: Includes fasteners for both hollow metal and wood doors - 12-24 x 1/2" UFPHMS, 12 x 1-1/4" FPHWS, plus 10-24 x 1/2" UFPHMS, 10 x 1" FPHWS for 3.5x3.5 hinge sizes.
• Dual Substrate Options: Available in brass substrate (most finishes) and stainless steel substrate (finishes 629 and 630) for material compatibility.
• 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 wire configurations.
• ANSI/BHMA Certified: Exceeds ANSI/BHMA A156.1 performance standards and meets A156.7 template hinge dimensions for code compliance.
• UL Classified: UL Classified for windstorm rated assemblies (R37965) ensuring structural integrity in demanding 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: Brass, Stainless Steel
• Product Type: Hinges
• Subcategory: Hinges and Pivots

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 Ives Quality?

Ives 3CB1 hinges deliver professional-grade reliability with concealed nylon bearing construction rated for medium duty commercial applications up to 400 cycles per day. Certified to exceed ANSI/BHMA A156.1 performance standards and UL Classified for windstorm rated assemblies, these hinges provide the dependable performance essential for demanding commercial environments. Complete with fasteners for both hollow metal and wood door installations.