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KOYO brand bearings from JTEKT are found virtually anywhere where accurate rotational control is required

JTEKT Corporation is one of the world’s leading manufacturers of bearings and automotive steering systems.

At JTEKT we are focused and committed to deliver our customer high quality products and the best solutions because they are at the core of everything we do. By combining technology with our design engineering expertise we are able to offer a breadth of advanced bearings and solutions which are well known under the KOYO brand.

KOYO brand bearings from JTEKT are found virtually anywhere where accurate rotational control is required. Bearing applications vary from jet engine main shaft support, manufacturing equipment used to produce semiconductors and LCD displays, through modern windmills, automobiles, high-speed trains and agricultural machinery to medical equipment, drilling machines at your dentist’s surgery and various appliances at your household. We are proud to say: our bearings are found from the heights of the stratosphere to the depths of the ocean – many specially developed to function with optimum efficiency in harsh environments such as weightless or extremely corrosive conditions. In short, you will find Koyo bearings wherever there is a need for innovative engineering and reliability that will last.

Product Range

The size range of Koyo bearings is truly vast: from tiny examples of 1 millimeter inside diameter to huge bearings measuring 7 meters on the outside. JTEKT designers and development engineers pride themselves on their ability and willingness to work in close liaison with their customers to develop bearings for specific new applications, or to refine and improve existing product technology. Our Koyo branded bearings includes a broad range of rolling bearings, accessories and systems. At our production section you will get an initial impression of what we can offer.

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Bearing 3D

What is a spherical roller bearing?

Spherical roller bearings feature a large load rating and self-aligning capability. This type of bearing is suitable for low- or medium speed applications which involve heavy or impact loading. Spherical roller bearings are self-aligning, double-row, combination radial and thrust bearings.

They use a spherical or crowned roller as the rolling element. The outer ring contains a spherical race which allows for some misalignment of the shaft and housing. Spherical roller bearings are unequalled in their capacity for high loads and tolerance to shock loads, but have limited speed capabilities.

They perform consistently, even under conditions of extreme speed, application-specific stress, and marginal lubrication. The cage of a spherical roller bearing provides high dimensional accuracy and functionality. According to some estimates, spherical roller bearings have twice the running life of conventional bearings.

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