Hager BB1817 Full Mortise Ball...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$11.90
$9.78
Hager BB1817 Full Mortise Residential Ball Bearing With Fasteners, 5-Knuckle, Square Corner by 5/8" Radius

Hager BB1817 Full Mortise Ball Bearing Hinge with Square Corner and 5/8" Radius

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Model: BB1817 4X4 US15
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$11.90
$9.78
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Hager BB1817 Full Mortise Ball Bearing Hinge with Square Corner and 5/8" Radius

Professional Residential Door Hinge Solution

The Hager BB1817 full mortise ball bearing hinge delivers reliable performance for residential door applications with its 4" x 4" size and 5-knuckle design. Featuring square corner construction with 5/8" radius and steel construction with steel pin, this hinge meets ANSI A8134 certification standards. The removable pin design and left-hand assembly provide installation flexibility for various door configurations.

Professional Features & Benefits

  • Standard Residential Size: 4" x 4" dimensions accommodate most residential door applications with proper weight distribution.
  • Ball Bearing Operation: Smooth, long-lasting performance with reduced friction for consistent door operation over time.
  • Durable Steel Construction: Steel body with steel pin provides reliable strength and corrosion resistance for residential use.
  • 5-Knuckle Design: Enhanced stability and load distribution across the hinge barrel for improved door alignment.
  • Square Corner with Radius: Square corner design with 5/8" radius fits standard door preparations while reducing stress concentration.
  • Removable Pin: Field-removable pin allows for easy door removal during maintenance or replacement without disturbing frame installation.
  • ANSI Certified: ANSI A8134 certification ensures compliance with industry standards for residential applications.
  • Complete Installation Kit: Includes 3/4" x 9 wood screws for immediate installation on wood door frames.
  • Assembled left hand. Square by 5/8" (6 mm) radius. Removable pin.

Technical Specifications

  • ANSI/BHMA: ANSI A8134
  • Bearing Type: Ball Bearing
  • Certifications: ANSI A8134
  • Commercial/Residential: Residential
  • Fastener Size - Wood: 3/4" X9
  • Features: Assembled left hand. Square by 5/8" (6 mm) radius. Removable pin.
  • Gauge: 0.085
  • Knuckles: 5
  • Material: Steel with steel pin
  • Notes
  • 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

  • Residential Entry Doors
  • Interior Passage Doors
  • Bedroom and Bathroom Doors
  • Closet and Utility Room Doors
  • Multi-Family Housing Units
  • Light Commercial Residential-Style Applications
  • Door Replacement and Renovation Projects

Why Choose Hager Quality?

Hager residential hinges deliver professional-grade reliability with steel construction and ball bearing operation rated for smooth, consistent performance. ANSI A8134 certification ensures compliance with industry standards for residential door applications. Engineered for demanding residential use where dependable door operation and long-term durability are essential.

Full mortise commercial hinge engineered to meet or exceed ANSI standards for door weight, frequency of use, and finish durability.

Product Specs

Knuckles:
5
Subcategory:
Full Mortise Hinges
Product Group:
Door Hinges and Pivots
Product Subgroup:
Full Mortise Hinges
Product Type:
Full Mortise Hinges
ANSI/BHMA:
ANSI A8134
Bearing Type:
Ball Bearing
Commercial/Residential:
Residential
Features:
Assembled left hand. Square by 5/8" (6 mm) radius. Removable pin.
Product Model:
BB1817
Product Function:
Ball Bearing
Product Substrate:
Steel with Steel Pin
Product Category:
Door Hinges and Pivots
Department:
Door Hardware
Corner Style:
5/8" Radius Corner

Hager BB1817 4X4 US15 – Frequently Asked Questions

1) Is the Hager BB1817 hinge handed, or can I use it on a left-hand and a right-hand door?
The BB1817 comes assembled left hand, so out of the box the pin side is set for a left-hand opening. It's a removable pin hinge, though, and a full mortise ball bearing hinge of this style is symmetrical in the leaf, so the usual field practice is to pull the pin, flip the hinge and reassemble for the opposite hand. If you want it right out of the box for the hand you have, order with that in mind rather than assuming it drops in as shipped.
2) Is a 4 x 4 residential ball bearing hinge enough for a solid core entry door, or do I need a 4-1/2 inch commercial hinge?
The BB1817 is a 4 inch by 4 inch hinge, rated residential, in 0.085 gauge steel with a steel pin. That size and gauge suits interior passage doors, bedroom and closet doors, and standard residential entries. For a heavier solid core or a commercial opening you'd normally step up to a 4-1/2 by 4-1/2 hinge, and ZenSupply carries those from other brands, for example the Don-Jo BB74545 in steel or the McKinney TCA3386 in heavy weight.
3) I have Don-Jo or McKinney hinges on the other doors. Can I mix in the Hager BB1817?
Size is the catch, not brand. The BB1817 is 4 x 4, while the Don-Jo BB74545 and the McKinney TCA2314 and TCA2317 are all 4-1/2 x 4-1/2. A 4-1/2 hinge needs a wider and taller mortise, so swapping between the two sizes means re-routing the door and frame. Matching hinge to hinge on an existing opening, measure the leaf you are pulling out first. If the existing pockets are 4 inches, the BB1817 is the direct size; if they're 4-1/2, stay with the 4-1/2 hinges.
4) I need a hinge that carries wire for an electrified lock - can I use the Hager BB1817?
No. The BB1817 is a standard full mortise ball bearing hinge in steel with a steel pin and has no wire path through the barrel. For transferring power to an electrified lock or exit device, use an electric through-wire hinge such as the ACSI 5BB1, a 5 knuckle ball bearing full mortise hinge at 4-1/2 inch by 4-1/2 inch with concealed electric through-wire in a 4 wire 28 gauge configuration, from the 1100 Series. Plan on one electric hinge per opening with standard hinges in the remaining positions.
5) What is the closest equivalent to the Hager BB1817 ball bearing hinge in a 4-1/2 inch by 4-1/2 inch size?
The Hager BB1817 is a 5-knuckle full mortise ball bearing hinge in steel with a steel pin, built for residential openings in a 4 inch by 4 inch size. When the door prep is 4-1/2 inch by 4-1/2 inch instead, the Don-Jo BB74545 is the nearest match: a steel full mortise ball bearing hinge, square corner, 5-knuckle, standard duty. The McKinney TCA2314 and TCA2317 are also square corner 5-knuckle full mortise hinges at 4-1/2 inch by 4-1/2 inch in standard duty. Confirm the existing mortise size on the frame before ordering, since a 4-1/2 inch hinge will not drop into a 4 inch pocket without recutting.
6) The Hager BB1817 is a residential hinge - what should I use on a heavy commercial door instead?
The BB1817 is specified for residential use in steel with a steel pin. For a heavy door on a high traffic commercial opening, step up to a heavy duty hinge: the McKinney TCA3386 is a square corner 5 knuckle full mortise hinge in 4-1/2 inch by 4-1/2 inch, heavy weight, and the Stanley Security CB199 is a full mortise concealed bearing heavy weight hinge from the Architectural Hinges series. The BEST CB223 is a stainless steel concealed bearing heavy weight hinge, pivot reinforced, for beveled edge doors. Match the corner style and hinge size to the existing prep when you make the swap.
7) Do I need to buy screws separately for the Hager BB1817 hinge?
No, screws come with it. The BB1817 ships with 3/4 inch by #9 wood screws, sized for wood door and frame installation. If you're hanging on a hollow metal frame you'll need machine screws instead, since the supplied fasteners are wood screws only.
8) Can I take the door off without unscrewing the hinges from the frame?
Yes. The BB1817 uses a removable pin, so you drive the pin up and out and lift the door off the frame leaves. That matters on turnover and paint work in multi-family, where you want the door out and back without touching the frame prep. Note it is a removable pin, not a non-removable pin, so on an outswing exterior door the barrel is accessible from outside.
9) What is the difference between a ball bearing hinge and a plain bearing hinge for apartment doors?
Ball bearings sit between the knuckles and carry the door's weight on rolling elements instead of metal rubbing on metal. The BB1817 is a ball bearing, 5 knuckle hinge, which is what you want on doors that cycle constantly or carry a closer, because a plain bearing hinge on that duty starts to squeak, wear the knuckles and let the door sag. For high-frequency openings some buyers prefer a concealed bearing instead, where the bearings are hidden inside the barrel for appearance, such as the BEST 1900R.
10) What finishes does the Hager BB1817 hinge come in?
Seven finishes across the 4 x 4 size: 605 bright brass, 606 satin brass, 609 antique brass, 619 satin nickel, 620 antique nickel, 626 satin chrome, and US10R dark bronze. If you're standardizing a building, 626 satin chrome and 619 satin nickel are the two that match most modern lever and lockset finishes, and 605/606 pair with brass trim on older stock.
11) My door has a beveled edge and hits the frame trim when it swings. Is this hinge the fix?
Not this one. The BB1817 is a standard full mortise hinge that keeps the door in the opening when open. If you need the door leaf to clear the opening entirely, for a wheelchair path or a gurney, that is a swing clear hinge, and the BEST CB248 full mortise concealed bearing swing clear hinge for square edge doors handles it. For a beveled edge door needing a pivot reinforced heavy weight hinge, the BEST CB223 in stainless steel is built for that edge condition.
12) Will steel hinges hold up on an exterior or coastal door?
The BB1817 is steel with a steel pin, which is specified for residential use and is fine on interior and protected entry doors. In a wet, coastal or heavily washed-down opening, steel is the wrong base metal and you want stainless or brass instead. From what ZenSupply stocks in the same full mortise ball bearing style, the Don-Jo BB94545 is stainless steel with a square corner and the Don-Jo BB84545 is brass, both at 4-1/2 x 4-1/2.
13) Is the Hager BB1817 certified to an ANSI standard?
It carries ANSI A8134. For an institutional or MRO buyer standardizing hinge stock, that is the certification on record for this hinge, alongside the residential designation and 0.085 gauge steel construction. If your spec calls out a commercial grade hinge instead, the BB1817 is not the one to write into it.
14) What is the difference between the Hager BB1817 ball bearing hinge and a concealed bearing hinge like the BEST 1900R?
The BB1817 uses a ball bearing between the knuckles, visible in the 5-knuckle barrel, with a removable pin. The BEST 1900R is a steel full mortise concealed bearing standard weight hinge with a removable pin, medium duty, from the Architectural Hinges series - the bearing is hidden inside the barrel rather than sitting as a raceway between knuckles, which gives a smoother knuckle profile on the exposed edge of the door. The Stanley Security CB1960R is the same concealed bearing standard weight full mortise arrangement, also medium duty. Both are full mortise, so the frame and door prep concept is the same; the difference the buyer sees is the barrel appearance and the duty level.
15) Can I substitute a pivot reinforced hinge for the Hager BB1817?
Not directly. The BB1817 is a standard full mortise ball bearing hinge for residential openings. Pivot reinforced hinges such as the BEST FBB212, a steel ball bearing heavy weight hinge for square edge doors in standard duty, and the BEST CB223, a stainless steel concealed bearing heavy weight version for beveled edge doors, carry the door load differently and are intended for heavier leaves. They also split by door edge - FBB212 for square edge, CB223 for beveled edge - so the door edge condition decides which one applies, where the BB1817 is a straightforward full mortise replacement in a matching prep.
16) For standardizing hinges across a multi-family property, how do the McKinney TCA2314 and TCA2317 compare to the Hager BB1817?
The BB1817 covers 4 inch by 4 inch residential openings in seven finishes including 626 satin chrome, 605 bright brass and US10R dark bronze, with a removable pin so a door can come off without touching the frame. The McKinney TCA2314 and TCA2317 are both square corner 5 knuckle full mortise hinges at 4-1/2 inch by 4-1/2 inch in standard duty, which is the size most common on commercial-width doors in the same building. A property standardizing across unit doors and corridor doors typically runs the 4 inch by 4 inch BB1817 on the lighter unit and closet doors and a 4-1/2 inch hinge on the heavier corridor leaves, matching finish across both.
How fast can I get the Hager BB1817 4X4 US15 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 Hager BB1817 4X4 US15 come with a warranty?
Absolutely. The Hager BB1817 4X4 US15 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 Hager BB1817 4X4 US15?
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 Hager BB1817 4X4 US15 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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