BEST FBB112 Stainless Steel Ha...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$120.03
BEST FBB112 Stainless Steel Half Surface Ball Bearing Hinge with Removable Pin

BEST FBB112 Stainless Steel Half Surface Ball Bearing Hinge with Removable Pin

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Model: BEST-FBB112-630-4.5
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$120.03
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BEST FBB112 Stainless Steel Half Surface Ball Bearing Hinge with Removable Pin

Professional Half Surface Hinge Solution for Medium Weight Doors

The BEST FBB112 is a versatile half surface ball bearing hinge designed for medium weight wood, kalamein, or mineral core doors with edge rails that won't hold screws. Featuring two permanently lubricated non-detachable ball bearings and a removable pin design, this hinge ensures smooth operation and convenient door installation or removal. Built for doors hung on hollow metal frames with average frequency use, the FBB112 comes with machine screws and grommet nuts for 1-3/4" doors and is available in 630 satin stainless steel finish.

Professional Features & Benefits

  • Ball Bearing Operation: Two permanently lubricated non-detachable ball bearings ensure smooth, effortless door operation while reducing friction and wear over time.
  • Removable Pin Design: Convenient removable pin allows for easy door installation or removal when needed for maintenance or access.
  • Medium Duty Construction: Engineered for medium weight doors including wood, kalamein, or mineral core doors with edge rails that won't hold screws.
  • Stainless Steel Components: Non-ferrous hinges feature stainless steel pins for enhanced corrosion resistance and durability.
  • Reversible Design: Flush tips and pins are reversible for flexible installation options and hand configurations.
  • Complete Hardware Package: Packed with machine screws and grommet nuts specifically sized for 1-3/4" door applications.
  • Hospital Tip Option: Can be furnished with hospital tips (HT) for specialized healthcare facility requirements.
  • Back Plate Compatibility: Designed to work with optional back plates for enhanced mounting strength when needed.

Technical Specifications

  • Bearing Type: Ball Bearing
  • Commercial/Residential: Commercial
  • Corner Style: Square Corners
  • Department: Door Hardware
  • Duty Level: Medium Duty
  • Hinge Pin Type: Removable
  • Hinge Type: Half Surface
  • Knuckles: 5
  • Product Category: Door Hinges and Pivots
  • Product Group: Door Hinges and Pivots
  • Product Model: FBB112
  • 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, frame compatibility, and handing as applicable to this half surface hinge.
  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 for machine screws and grommet nuts as specified in manufacturer instructions.
  4. Install mounting hardware including provided machine screws and grommet nuts, securing the hinge to door and frame per manufacturer torque specifications.
  5. Adjust hinge alignment for proper door operation, ensuring smooth movement throughout the full range of motion and proper clearances.
  6. Test hinge 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 half surface hinges deliver professional-grade reliability with permanently lubricated ball bearing construction designed for medium duty commercial applications. The stainless steel components and reversible design provide long-lasting performance in demanding institutional and commercial environments where dependable door operation is essential.

Product Specs

Subcategory:
Hinges
Series:
Architectural Hinges
Hinge Type:
Half Surface
Knuckles:
5
Bearing Type:
Ball Bearing
Corner Style:
Square Corners
Product Group:
Door Hinges and Pivots
Product Subgroup:
Surface and Mortise Hinges
Product Type:
Half Surface Hinges
Duty Level:
Medium Duty
Commercial/Residential:
Commercial
Hinge Pin Type:
Removable
Product Model:
FBB112
Product Category:
Door Hinges and Pivots
Department:
Door Hardware

BEST BEST-FBB112-630-4.5 – Frequently Asked Questions

1) What door thickness does the FBB112 hinge hardware come sized for?
It ships with machine screws and grommet nuts sized for 1-3/4 inch doors, which is the standard commercial door thickness. The grommet nuts pass through the door and clamp the surface leaf from both faces, which is how the hinge carries the door when the edge rail can't hold wood screws.
2) Is the BEST FBB112 heavy enough for a high traffic entrance?
No. The FBB112 is a medium duty, standard weight hinge rated for average frequency openings on medium weight doors. A high frequency entrance or a heavy door needs a heavy weight ball bearing hinge instead.
3) My frame won't hold screws but the door is fine. Is the FBB112 the right hinge?
No, that is the reverse case. A half surface hinge mortises to the frame and surface-mounts to the door. When the frame is the problem and the door edge is sound, you want a half mortise hinge such as the Hager BB1109, a 5 knuckle standard weight ball bearing half mortise hinge.
4) If the door edge will hold screws and the frame is standard, is there a full mortise hinge to use instead of the FBB112?
Yes. The FBB112 is a half surface hinge intended for wood, kalamein or mineral core doors whose edge rails will not hold screws. Where the door edge takes screws normally, a full mortise hinge is the usual choice - the Hager 1191 is a full mortise standard weight hinge with a 5 knuckle design, and the Hager 800 is a full mortise standard weight hinge with a 3 knuckle design rated medium duty. Both mortise into the door edge rather than surface mounting one leaf to the door face.
5) What is the closest half surface equivalent to the BEST FBB112 from another manufacturer?
The Hager 1173 is the nearest half surface counterpart. Both are medium duty half surface hinges with a 5 knuckle design, and both are offered in a 4-1/2 inch size. The difference is the bearing: the FBB112 runs on ball bearings, while the Hager 1173 is a plain bearing hinge. If the opening sees average frequency and you want lubricated bearings, stay with the FBB112; if plain bearing is acceptable for the traffic, the 1173 covers the same half surface application.
6) Is the Hager BB1109 half mortise hinge a substitute for the BEST FBB112?
No - they mount differently despite both being ball bearing medium duty hinges. The FBB112 is a half surface hinge: one leaf mortises into the frame and the other surface mounts to the door face. The Hager BB1109 is a half mortise hinge, which mortises into the door edge and surface mounts to the frame. The preps are not interchangeable, so match the type to which member of the opening cannot be mortised.
7) Does the FBB112 hinge have to be ordered by hand, left or right?
No handing to specify. The flush tips and pins are reversible, so one hinge covers either hand.
8) Can I take the door down without unscrewing the hinges?
Yes. The FBB112 uses a removable pin, so pulling the pins lifts the door off the frame for maintenance or access without disturbing the mounting screws or grommet nuts.
9) What size and finish does the BEST FBB112 come in?
4-1/2 by 4-1/2 inches with square corners, in 630 satin stainless steel. That matches the square corner prep on standard hollow metal frames, and 630 is the common commercial finish for stainless trim and exit hardware, so it blends with existing openings.
10) Are hospital tips available on the BEST FBB112 for a healthcare job?
Yes, the FBB112 can be furnished with hospital tips (HT). Optional back plates are also available where the door face needs added mounting strength.
11) For a high traffic institutional door, how do I choose between the BEST FBB112 and a plain bearing hinge like the Hager 1173 or 800?
The deciding factor is the bearing. The FBB112 uses two permanently lubricated non-detachable ball bearings, which is what BEST specifies for doors on hollow metal frames with average frequency use in commercial settings. The Hager 1173 and Hager 800 are plain bearing hinges, both rated medium duty. Plain bearing hinges carry the same duty rating but do not include the lubricated bearing races, so facilities standardizing on ball bearing hardware across a door schedule generally spec the FBB112.
12) Does the 3 knuckle Hager 800 match the knuckle count of the BEST FBB112?
No. The BEST FBB112 is a 5 knuckle hinge, and the Hager 800 is a 3 knuckle full mortise hinge. If you are replacing hinges on a door where the existing knuckle appearance needs to match, the 5 knuckle Hager 1191 full mortise or the 5 knuckle Hager 1173 half surface line up with the FBB112 visually, while the 800 will read differently at the jamb.
13) Will the BEST FBB112 knuckle profile match the other hinges on my openings?
It is a 5 knuckle hinge, the standard architectural profile, so it lines up visually with other 5 knuckle hinges such as the Hager 1191 full mortise. A 3 knuckle hinge like the Hager 800 has a visibly different barrel and won't match on adjacent doors.
How fast can I get the BEST BEST-FBB112-630-4.5 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the BEST BEST-FBB112-630-4.5 come with a warranty?
Absolutely. The BEST BEST-FBB112-630-4.5 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the BEST BEST-FBB112-630-4.5?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the BEST BEST-FBB112-630-4.5 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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