Ball Bearing Hinge 4BB Graphite/Bronze 100x75mm (Each)

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AustyleSKU: 75508
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Price:
$29 $38

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Ensure smooth, long-lasting door operation with the Austyle Heavy Duty 4 Bearing Butt Hinge. Specifically engineered to suit all high-traffic residential and commercial applications, this premium architectural hinge is built to handle substantial loads without wearing or sagging over time. It incorporates four precision-engineered ball bearings that distribute weight evenly, resulting in an incredibly smooth, silent swing mechanism for heavy-use doors.

Finished in a contemporary, sleek graphite coating, this hinge delivers a high-end minimalist look that coordinates beautifully with modern black and charcoal hardware schemes. Measuring a standard 100mm x 75mm with a robust 2.5mm leaf thickness, it provides excellent structural stability. This hinge features highly reliable weight-bearing capacities: utilizing 2 hinges comfortably supports door weights of 40kg+, while upgrading to a 3-hinge configuration supports door capacities of up to 60kg.

Product Specifications:

  • Brand: Austyle

  • Finish: Graphite/Bronze

  • Hinge Type: Heavy Duty Ball Bearing Butt Hinge

  • Bearings: 4 Precision Bearings

  • Dimensions: 100mm (Height) x 75mm (Width)

  • Thickness: 2.5mm Leaf

  • Weight Capacity (Pair): 40kg+ load rating when using 2 hinges

  • Weight Capacity (Triple): 60kg load rating when using 3 hinges

  • Application Suitability: Commercial and premium residential doors

  • Unit of Measure (UOM): Sold individually (Each)

  • Barcode (GTIN/EAN): 9315198755085

  • Availability: Standard Stock Item

Frequently Asked Questions

Are these Austyle hinges sold individually or as a pair?

This product is sold under the Unit of Measure (UOM) of Each, meaning they are priced and supplied as individual single hinges. Please order the exact quantity required for your specific door setup.


What is the weight capacity rating for these commercial hinges?

These heavy-duty hinges feature high load ratings depending on the configuration used: a setup with 2 hinges supports doors weighing 40kg+, whereas utilizing 3 hinges supports heavy commercial doors up to 60kg.


What are the dimensions and thickness of the hinge leaf?

The hinge measures 100mm in height by 75mm in width when laid out flat. It features a heavy-duty material profile with a leaf thickness of 2.5mm, providing structural rigidity under load.


What makes a 4 ball bearing hinge better than a standard hinge?

A Heavy Duty 4 Bearing Hinge features internal ball bearing races that reduce metal-to-metal friction. This prevents the hinge from wearing down or squeaking over time, making it ideal for heavy architectural doors and intense commercial applications.

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