BEST FBB138 Steel Half Mortise Ball Bearing Heavy Duty Hinge with Removable Pin

BEST FBB138 Steel Half Mortise Ball Bearing Heavy Duty Hinge with Removable Pin

Professional Heavy-Duty Hinge Solution for Commercial Applications

The BEST FBB138 is a steel half mortise ball bearing hinge engineered for heavy or high frequency hollow metal or wood doors hung on channel iron frames. This heavy-duty hinge features four permanently lubricated non-detachable ball bearings for smooth, reliable operation and reduced friction. The removable pin design facilitates easy installation and maintenance, while the reversible flush tips and pins provide installation flexibility for demanding commercial applications.

Professional Features & Benefits

• Heavy-Duty Construction: Steel construction designed specifically for heavy or high frequency hollow metal or wood doors for exceptional durability in commercial environments.
• Advanced Ball Bearing System: Four permanently lubricated non-detachable ball bearings ensure effortless movement and reduced friction for long-term smooth operation.
• Removable Pin Design: Convenient removable pin facilitates easy installation and maintenance while maintaining secure operation.
• Versatile Installation Options: Reversible flush tips and pins provide flexibility for various door and frame configurations.
• Channel Iron Frame Compatibility: Specifically engineered for doors hung on channel iron frames for optimal performance in commercial applications.
• Hospital Tip Option: Available with hospital tips (HT) for specialized healthcare facility requirements.
• Premium Materials: Non-ferrous hinges feature stainless steel pins for enhanced corrosion resistance and longevity.

Technical Specifications

• Bearing Type: Ball Bearing
• Commercial/Residential: Commercial
• Corner Style: Square Corners
• Department: Door Hardware
• Duty Level: Heavy Duty
• Hinge Pin Type: Removable
• Hinge Type: Half Mortise
• Knuckles: 5
• Product Category: Door Hinges and Pivots
• Product Group: Door Hinges and Pivots
• Product Model: FBB138
• Product Subgroup: Surface and Mortise Hinges
• Product Type: Half Surface Hinges
• Series: Architectural Hinges
• Subcategory: Hinges

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 BEST Quality?

BEST hinges deliver professional-grade reliability with steel construction and permanently lubricated ball bearing systems engineered for heavy-duty commercial applications. The FBB138 combines robust materials with precision engineering to ensure dependable performance where smooth operation and durability are essential. Designed specifically for high frequency use, this hinge provides the reliability demanded by commercial door applications.