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Winkel bearings used in construction of the World Trade Centre

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article image The retractable roof made of glazed steel ribs soaring upwards in the shape of a V is modelled on the wings of a bird taking flight
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World-leading component and system supplier, the Württemberg-based Winkel GmbH will be supplying bearings and profiles for the construction of the World Trade Center Transportation Hub in New York, USA.

The $3 billion Transportation Hub building is being built on the site of the World Trade Centre that was destroyed in 2001, together with four new skyscrapers. Winkel bearings will be used in the retractable roof of the Transportation Hub.

Designed by Spanish architect Santiago Calatrava, the World Trade Center Transportation Hub will provide transit connections to several train and subway lines as well as ferries and connect the various buildings of the emerging World Trade Center Complex with each other.

A major architectural highlight of the design is the futuristic retractable roof made of glazed steel ribs soaring upwards in the shape of a V for more than 50 metres, modelled on the wings of a bird taking flight. The entire roof can be opened up to ten metres in the middle to let in sunlight. Winkel bearings and U-profiles will be used to implement this spectacular project. Built into the roof of the Transportation Hub, these components make up a robust and durable guide track system that stands up to the extreme loads during opening and closing of the rib structure.

The Württemberg company delivered a total of 224 Winkel bearings with flange plates and 445 metres of U-profiles to the New York project. The Winkel bearings have a special anti-corrosion coating for protection against the elements.

Bernd Rudolph, responsible for the linear components at Winkel explains that Winkel bearings in conjunction with the U-profiles are the ideal solution for this difficult task as they can withstand enormous static and dynamic loads, have a long service life, and are easy to install and replace.

Key advantages of Winkel bearings include secure and stable guide track system for linear movements; robust with dirt- and moisture-resistance; can be flexibly and individually adapted for each application; low acquisition cost; maintenance-free; short delivery times; and simple installation.

Winkel bearings are available in Australia from T.E.A. Transmissions .

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