Rocky Mountain Hardware  |  SKU: 754001

Rocky Mountain Hardware Concealed Bearing Hinge

$20000 Each
Size (H x W)


  • These bronze concealed door hinges are of the highest quality.
  • Manufactured in the USA by Rocky Mountain Hardware.
  • Handcast from solid bronze.
  • Unique barrel design provides a cleaner look than other ball-bearing hinges.
  • Leaf Thickness: .1875"
  • Barrel Diameter: 5/8"
  • Each hinge includes two 3" long and eight 1-1/4" long slotted screws.
  • Additional finishes and decorative tips are available for special order. Please call or email to inquire.

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We have been selling hardware and hinges for over 130 years. When you shop with us, you can count on prompt, personal customer service and reliable support.

Page Code: C10794

  • Manufacturer
    Rocky Mountain Hardware
  • Model Number
    4" x 4": HNG4A
    4.5" x 4.5": HNG4.5A
  • Finish Name
    Silicon Bronze Dark (BD)
  • Material
  • Grade
  • Corner
  • Bearings
    Ball Bearing
  • Removable Pin
  • Decorative Tips
    Available as an Accessory
  • Mounting Hardware Included
  • Mounting Hardware Type
    Matching wood screws

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DescriptionExclusively available through, this grip set made by Rocky Mountain Hardware features a built in deadbolt. Eliminates the need for a separate... This top of the line hinge is made in the USA by Rocky Mountain Hardware. Leaf Thickness: .125" Barrel Diameter: 1/2" Each hinge... Add contemporary style to your gate with this solid bronze gate latch. Plate Size: 10-1/8" x 2-1/4" Arm Length: 7-1/8" Available for Purchase... Solid bronze architectural grade hinges with stainless steel hinge pin in a true oil rubbed bronze finish (an oil rubbed bronze finish on...

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Frequently Asked Questions

How long does it take to get my hardware once it's been ordered?

The delivery time depends on how far you live from our San Diego warehouse. Generally, your order will reach you in 1 to 5 business days. Shipments do not move on weekends and holidays.

Do you ship merchandise outside the United States?

At this time, we only ship to addresses in the continental United States, Alaska, and Hawaii. For APO/FPO/DPO and Canadian orders, please email with a list of the SKU numbers and quantities you would like to purchase, along with your complete ship to address. Once we receive this information we will email you a shipping quote. Please note: Canadian shipments have a $50.00 minimum order.

I have a hinge that I am trying to replace but I need help identifying it. Can you help?

Yes! Please click here to visit our Hinge Finder page.

Some of your hinges are sold by the each and some sell by the pair. What is the difference?

When the unit of measure says “pair” that means two hinges. Usually you need one pair of hinges per door. When the unit of measure says “each” that means one hinge. You would usually order 2 “each” hinges per door.

I want to replace my hinges. How do I make sure the screw holes on the new hinge match the screw holes on the old hinge so I do not have to redrill the holes?

Unfortunately, hinge manufacturers have never standardized the location of their screw hole patterns. Every manufacturer puts their screw holes in a slightly different place. This means that when you replace hinges you will almost certainly have to do some filling and redrilling. The exception to this is Architectural door hinges which are built to a standardized template for each size hinge.

What is your return policy?

You can see our complete return policy here: HardwareSource Returns