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BY INDUSTRY

Wind

We supply our bearings and share our technical knowledge with the world’s top listed wind turbine manufacturers.

We supply our bearings and share our technical knowledge with the world’s top listed wind turbine manufacturers.

Even before the ratification of the Kyoto protocol in 1997, JTEKT already made its important contribution to the wind turbine industry by using advanced technology and knowledge to develop and manufacture reliable, state of the art bearings. We supply our bearings and share our technical knowledge with the world’s top listed wind turbine manufacturers.

A wind turbine should run for 20 years with an availability of 95-98%. During this period maintenance is needed with an approximate frequency of every 6 months. Therefore reliability is the primary driver for its design. Taken this into account we have developed bearings for several applications in a wind turbine:

  • Generators
  • Main shaft
  • Gearbox

Experience and capabilities

Products for Generators:

Our Koyo brand hybrid ceramic bearings for generators feature ceramic balls with excellent insulation performance which additionally prevents high temperatures while rotating. Compared to regular types, our hybrid ceramic bearings improve the efficiency of use; reduce the frequency of re-lubrication and of preventive maintenance.

Products for the Main shaft:

Spherical roller bearings are used primarily for the main shaft of a wind turbine because of their superior aligning characteristics and load durability. Complex analysis of rotor rotational speeds, appropriate loads, shaft, housing, rigidity and lubrication are done on a regular basis to ensure the quality of our bearings.

Products for the Gearbox

The planetary gearbox and the generator of a wind turbine transform mechanical power into electricity. The gearbox needs to increase efficiency, provide low speeds, deliver high reduction ratios, transmit a higher torque and distribute proper stress among different load-bearing components.

Bearing 3D
FAQ

What is a needle roller bearing?

A needle roller bearing is a very compact bearing which uses cylindrical rollers. They are an economical alternative for applications requiring minimal space to carry a given load at a desired speed. They can be an ideal choice because of their ability to handle a given level of speed and load capacity, yet have the smallest cross section of all roller bearing types.

For more information please click here “Products”

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