Hager 920 Full Mortise Conceal...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$29.63
$19.68
Hager AB920 Full Mortise Concealed Anti-Friction Bearing Hinge, Standard Weight, Steel, 2 Knuckle HAG-AB920

Hager 920 Full Mortise Concealed Plain Bearing Hinge - 2 Knuckle Steel Construction

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Model: 920 4.5x4.5 US26D RH
$29.63
$19.68
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In Stock (leaves warehouse same day if ordered before 3pm ET)

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Hager 920 Full Mortise Concealed Plain Bearing Hinge - 2 Knuckle Steel Construction

Professional Medium-Duty Door Hinge Solution

The Hager 920 Full Mortise Concealed Plain Bearing Hinge delivers reliable performance for medium weight doors requiring medium frequency service. This 2-knuckle steel construction hinge features concealed plain bearing design with standard weight rating, meeting ANSI A8133 certification standards. Available in multiple finishes including USP, US10, US10A, US10B, and US26D to match various architectural requirements.

Professional Features & Benefits

  • Medium-Duty Performance: Engineered for medium weight doors and medium frequency service applications in commercial environments.
  • Full Mortise Design: Both leaves mortise into door and frame for clean, professional appearance with concealed bearing operation.
  • Steel Construction: Durable steel material with steel pin provides long-lasting performance and structural integrity.
  • 2-Knuckle Configuration: Compact design suitable for standard door applications while maintaining proper load distribution.
  • ANSI Compliance: Meets ANSI A8133 standards ensuring quality and performance in commercial applications.
  • Multiple Finish Options: Available in USP, US10, US10A, US10B, and US26D finishes for architectural coordination.
  • Concealed Plain Bearing: Smooth operation with concealed bearing system for reliable door movement and extended service life.

Technical Specifications

  • ANSI/BHMA: ANSIA8133
  • Applications: For use with medium weight doors or doors requiring medium frequency service.
  • Certifications: ANSI A8133;
  • Commercial/Residential: Commercial
  • Duty Level: Medium Duty
  • Fastener Size - Machine: 12-24 x 1/2";
  • Fastener Size - Wood: 12 x 1-1/4";
  • Features: Full Mortise, Concealed, Plain Bearing, Standard Weight
  • Finishes: USP, US10, US10A, US10B, US26D;
  • Knuckles: Material : Steel With Steel Pin ;
  • Material: Steel With Steel Pin;
  • Notes: With door closer, use anti-friction or ball bearing hinge ;
  • Subcategory: Full Mortise 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 Hager Quality?

Hager 920 hinges deliver professional-grade reliability with steel construction and concealed plain bearing design meeting ANSI A8133 certification standards. Manufactured in accordance with ANSI/BHMA A156.1 specifications for consistent quality and performance. Engineered for demanding commercial applications where dependable medium-duty performance is essential.

Product Specs

Subcategory:
Full Mortise Hinges
Knuckles:
2
Product Group:
Door Hinges and Pivots
Product Subgroup:
Full Mortise Hinges
Product Type:
Hinges
Features:
Full Mortise, Concealed, Plain Bearing, Standard Weight
ANSI/BHMA:
ANSI A8133
Duty Level:
Medium Duty
Commercial/Residential:
Commercial
Product Model:
920
Product Function:
Concealed Bearing
Product Substrate:
Steel
Product Category:
Door Hinges and Pivots
Department:
Door Hardware

Hager 920 4.5x4.5 US26D RH – Frequently Asked Questions

1) Will the Hager 920 hinge work on a door with a door closer on it?
No, and Hager says so directly: on openings with a door closer, use an anti-friction or ball bearing hinge instead. The 920 is a plain bearing hinge, and a closer adds constant load and cycle count that a plain bearing knuckle is not meant to carry. The AB920 is the anti-friction bearing version of the same full mortise, 2-knuckle, standard weight hinge if you need to stay in the same family. For a ball bearing option in the same 4-1/2 x 4-1/2 size, the Orca Hardware 3535 Series square corner ball bearing commercial hinge is a medium duty alternative.
2) Do I need to specify handing when ordering a Hager 920 hinge?
Yes. The 920 is ordered left hand or right hand, so you need the swing before you buy. Stand outside the door on the side it swings away from you: if the hinges are on your left it is left hand, on your right it is right hand. Order the handing to match the existing leaf if you are replacing hinge for hinge.
3) What screws come with the Hager 920 hinge, and will they work in a hollow metal frame?
The 920 is furnished with both fastener types: 12-24 x 1/2 inch machine screws for tapped hollow metal frames, and 12 x 1-1/4 inch wood screws for wood doors and wood frames. So a hollow metal frame with a wood door is covered out of one box, machine screws to the frame leaf and wood screws to the door leaf.
4) I have residential 3-1/2 inch hinges on my doors. Can I use the Hager 920 to replace them?
Not without recutting the mortises. The 920 comes in 4-1/2 x 4 and 4-1/2 x 4-1/2 only, so it will not drop into a 3-1/2 inch pocket. For a like-for-like 3-1/2 inch plain bearing replacement, the Emtek 91013 residential plain bearing hinge and the Schlage Residential S3P1010 square corner plain bearing mortise hinge are both 3-1/2 x 3-1/2. If the opening is commercial and you are willing to enlarge the prep, stepping up to the 920 at 4-1/2 inches gets you a commercial rated hinge.
5) What replaces the Hager 920 on a heavy or high traffic door?
Step up to a heavy duty hinge. The Hager 920 is rated medium duty for medium weight doors at medium frequency. The Ives 3CB1HW is a steel heavy weight concealed bearing full mortise hinge with 3 knuckles, which keeps the concealed bearing function while moving to a heavy duty rating. If a ball bearing barrel is acceptable, the Don-Jo HWBB84545 is a heavy weight full mortise ball bearing hinge at 4-1/2 inch by 4-1/2 inch, and the Don-Jo HWBB75045 covers 5 inch by 4-1/2 inch where a wider leaf is needed for a thicker door.
6) Can a Hager 920 be used where the opening needs power transferred to an electric lock?
No - a standard Hager 920 is a mechanical steel hinge with a steel pin and carries no conductor. For power transfer through the hinge, use an electrified hinge instead. The BEST CECB179-12C is a steel full mortise concealed bearing electrified hinge with a 12-wire quick connect and is rated medium duty, which is the closest match to the 920's duty class and full mortise concealed bearing format. The Command Access ETH-CB70 is a 3-knuckle standard weight energy transfer hinge, also medium duty, and the Stanley CECB1900R54L is a 3-knuckle concealed bearing concealed conductor hinge, full mortise standard weight, 4-1/2 inch by 4-1/2 inch square corner, left handed, 4-wire.
7) What is the closest 3-knuckle concealed bearing equivalent to the Hager 920 for a medium duty commercial opening?
The Ives 3CB1 steel full mortise hinge is the nearest concealed bearing equivalent. Both are rated medium duty and both use a concealed bearing function, so both suit medium weight doors at medium frequency. The difference is knuckle count: the Hager 920 is a 2-knuckle hinge, while the 3CB1 is built with 3 knuckles. If the frame and door prep already accept a 4-1/2 inch by 4-1/2 inch full mortise leaf, either will land in the same mortise; the visible barrel is what changes.
8) What sizes and finishes does the Hager 920 full mortise hinge come in?
Two sizes, 4-1/2 x 4 inch and 4-1/2 x 4-1/2 inch, each in five finishes: 600 primed for painting, 612 satin bronze, 613 satin bronze oil-rubbed, 626 satin chrome, and US10A antique bronze. Every size and finish combination is stocked in both left hand and right hand. The 4-1/2 x 4-1/2 is the common commercial door size; the 4-1/2 x 4 narrower leaf is used where trim or frame return limits leaf width.
9) What does full mortise mean on the Hager 920, and does my door need to be routed for it?
Full mortise means both leaves get mortised, one into the door edge and one into the frame rebate, so the leaves sit flush and only the barrel shows when the door is closed. Your door and frame both need hinge pockets cut to depth. If the existing openings are already prepped for a standard 4-1/2 inch commercial hinge, the 920 drops into that prep. If the door is not prepped, you are routing both sides, and a template layout is required to keep the three leaves in line.
10) What is the difference between the concealed plain bearing on the Hager 920 and a ball bearing hinge?
Concealed bearing means the bearing sits inside the knuckle rather than showing as a visible ring between knuckles, so the barrel reads as a clean 2-knuckle profile. Plain bearing is a bushing type surface, quiet and adequate for moderate cycle counts; ball bearing carries more load and more cycles and is what you go to when there is a closer or heavy use. Both look similar closed, but they are not interchangeable ratings. The Ives 3CB1 is a 3-knuckle medium duty concealed bearing hinge if you want concealed bearing in a three knuckle barrel.
11) Does the Hager 920 meet an ANSI hinge standard for a commercial spec?
The 920 carries ANSI A8133 and is manufactured in accordance with ANSI/BHMA A156.1 for full mortise hinges. That is the number to put on a submittal for a medium duty commercial opening. It is a commercial rated hinge, not a residential one.
12) Is the Hager 920 steel or brass, and will it hold up in an exterior or damp opening?
Steel body with a steel pin. Steel is the right choice for interior commercial openings and for painted or plated applications, but on a coastal, pool, or wash-down opening a ferrous hinge will corrode at the knuckle regardless of finish. For a non-ferrous option in the same class, the McKinney T2314 is a medium duty non-ferrous standard weight hinge.
13) Is there a lighter or simpler plain bearing hinge than the Hager 920 for interior doors?
Yes. The Hager 920 is a commercial medium duty hinge in 4-1/2 inch by 4 inch and 4-1/2 inch by 4-1/2 inch sizes. For smaller interior leaves, the Orca Hardware 4040 Series is a 4 inch by 4 inch square corner plain bearing commercial hinge and the Orca 3514 Series is 3-1/2 inch by 3-1/2 inch with a 1/4 inch radius corner, both medium duty plain bearing. On the residential side, the Ives 1010RP is a steel plain bearing residential hinge with square corners sold as a set of three, and the Schlage S3P1010 is a 3-1/2 inch by 3-1/2 inch square corner plain bearing mortise hinge in a pack of three. Match the corner type to the existing mortise before you order - a square corner will not drop into a radius routed frame without filing.
14) What hinge should be used instead of the Hager 920 if the opening also needs door position monitoring?
A monitor hinge, not a mechanical one. The Hager 920 is a plain mechanical steel hinge with no switch. The Command Access ETM-CB70 is an energy transfer monitor hinge with door position sensing on a 3-knuckle steel base and is rated medium duty, which lines up with the 920's medium duty class. Where the door is heavier, the Command Access ETM-BB68 is an energy transfer monitor hinge with an integrated door position switch rated heavy duty.
15) Are Emtek plain bearing hinges a substitute for the Hager 920?
They share the plain bearing function but not the size or the application. The Emtek 91013 is a residential duty plain bearing hinge pair at 3-1/2 inch by 3-1/2 inch with square corners in plated steel, and the Emtek 92013 is a heavy duty plain bearing pair in the same 3-1/2 inch by 3-1/2 inch size. The Hager 920 is a commercial hinge supplied in 4-1/2 inch by 4 inch and 4-1/2 inch by 4-1/2 inch. A 3-1/2 inch leaf will not fill a mortise cut for a 4-1/2 inch hinge, so treat the Emtek pairs as a different opening rather than a drop-in swap.
16) The door needs to self-close without a closer - is there a hinge alternative to the Hager 920?
Use a spring hinge. The Stanley Security 2060R is a full mortise spring hinge with a square corner in 4-1/2 inch by 4-1/2 inch on a ferrous steel base, rated heavy duty, and it matches the 4-1/2 inch by 4-1/2 inch full mortise footprint the Hager 920 is supplied in. The Hager 920 itself is a plain bearing hinge with no closing force of its own.
17) For a detention or high security opening, is the Hager 920 the right hinge?
No. The Hager 920 is a medium duty commercial hinge for medium weight doors at medium frequency. Detention openings call for a purpose-built hinge: the BEST BB855 is a heavy duty steel double weight concealed ball bearing prison hinge, and the Stanley BB855 is a double weight prison hinge furnished with no holes and not swaged in 5 inch by 6 inch. Where the concern is pin removal rather than detention, the Deltana CSB45N is a 4-1/2 inch by 4-1/2 inch square hinge pair with a non-removable pin, matching the 4-1/2 inch by 4-1/2 inch size the 920 covers, and the Deltana DE44R5TA is a 4 inch by 4 inch security hinge with a 5/8 inch radius in steel.
18) Is a non-ferrous hinge available as an alternative to the steel Hager 920?
The McKinney T2314 is a non-ferrous hinge, standard weight, 5 knuckle, rated medium duty - the same medium duty class as the Hager 920, which is built from steel with a steel pin. Non-ferrous is the choice where the opening sees moisture or a corrosive environment; the 920's steel construction suits dry interior commercial openings. The Don-Jo HWBB85045 is another non-steel option, a brass heavy weight full mortise ball bearing hinge at 5 inch by 4-1/2 inch in satin chrome.
19) Will residential bulk hinges work in place of the Hager 920 on an apartment interior door?
Only if the door prep matches, and it usually does not. The Delaney RH35xx bulk steel residential hinges are 3-1/2 inch by 3-1/2 inch with a 5/8 inch radius, the Delaney RH45xx bulk exterior residential hinges are 4 inch by 4 inch with a 5/8 inch radius, and the Deltana DSB35 is a 3-1/2 inch by 3-1/2 inch square residential hinge pair. The Hager 920 is a commercial hinge supplied in 4-1/2 inch by 4 inch and 4-1/2 inch by 4-1/2 inch. Two things have to line up before a swap: leaf size and corner radius. A 5/8 inch radius hinge will not seat in a square corner mortise, and none of the residential sizes fill a 4-1/2 inch cut.
20) What hinge should be used instead of the Hager 920 on a door that swings both directions?
A butt hinge will not do it. The Hager 920 is a full mortise hinge with both leaves mortised into door and frame for single direction swing. For a door that swings both ways, use a double acting pivot: the BEST DAP-3 is a heavy duty double acting pivot for commercial interior doors. The BEST CB1969R is a different case again - a concealed bearing heavy weight pivot-reinforced hinge, rated heavy duty, for openings where a pivot reinforcement is specified.
21) Which 4-1/2 inch by 4-1/2 inch hinge matches the Hager 920 for satin chrome across a facility?
The Hager 920 is offered in 626 satin chrome at 4-1/2 inch by 4-1/2 inch. For satin chrome peers in the same nominal size, the Don-Jo HWBB74545 and the Don-Jo HWBB84545 are both heavy weight full mortise ball bearing hinges at 4-1/2 inch by 4-1/2 inch in satin chrome. Note the duty difference before standardizing: those Don-Jo hinges are heavy duty ball bearing, while the 920 is medium duty concealed plain bearing. Mixing them on the same door is not advised; standardize by door class instead.
22) Can I paint the Hager 920 hinge to match my door color?
Order the 600 primed for painting finish. It ships with a paint-ready prime coat so it can be finished to match the door or frame on site, which is the usual choice on painted hollow metal. If you want a factory finish instead, the 920 comes in satin chrome 626, satin bronze 612, oil-rubbed satin bronze 613, and antique bronze US10A.
23) How many Hager 920 hinges do I need per door?
Three per leaf is the normal commercial count on a standard height door, and a fourth is added on tall doors. Since the 920 is handed, order all of them in the same hand as the door, and in the same finish so the barrels match once installed. Hager publishes a standard hinge locations sheet for laying out the mortise positions.
24) What is the difference between the Hager 920 and a 5-knuckle standard weight hinge like the McKinney MP79?
Knuckle count and barrel appearance. The Hager 920 is a 2-knuckle full mortise hinge with a concealed plain bearing. The McKinney MP79 MacPro is a 5-knuckle full mortise hinge rated standard duty, and the McKinney MPB79 MacPro is also a 5-knuckle standard weight hinge. All three mortise into door and frame the same way; the 5-knuckle barrel presents a segmented profile against the 920's two-piece barrel, which matters where a facility is standardizing the look across a run of doors.
25) Is the McKinney SQ3331 a substitute for the Hager 920 since both are 2-knuckle at 4-1/2 by 4-1/2?
They overlap on knuckle count and size but serve different purposes. The McKinney SQ3331 is a square barrel 2-knuckle decorative hinge at 4-1/2 inch by 4-1/2 inch, rated standard duty. The Hager 920 is a 2-knuckle concealed plain bearing hinge rated medium duty and built for commercial service. The SQ3331's square barrel is a design element; the 920's concealed bearing is a service feature for medium frequency openings. Pick by whether the barrel appearance or the bearing behavior is driving the specification.
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Does the Hager 920 4.5x4.5 US26D RH come with a warranty?
Absolutely. The Hager 920 4.5x4.5 US26D RH is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
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