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Premium technology for the wind industry

Premium technology for the wind industry
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Premium technology for the wind industry

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2 Premium technology for the wind industry 3 Individually tailored solutions without compromising on quality. Wind turbines generate electricity under adverse and constantly changing conditions, both on- and offshore. Efficient power generation demands top performance from every component – especially bearings. NSK bearings have built a global reputation on dependability, resistance to heat and seizure, exceptionally long life and environmentally sound design. Service-oriented organisation – the Wind Energy Team The Wind Energy Team bundles sales and application engineering activities to...

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4 Premium technology for the wind industry 5 Premium technology for the wind industry. NSK is among the leaders when it comes to the development of rolling bearings that are even more reliable, longer lasting and robust – even at high speeds. In our research centres in Europe, America and Asia, we conduct research and development in four core technology areas: › Tribology Lubrication is crucial for rolling bearings designed to support linear and rotary motion. Improved lubricant formulations and surface treatment processes enable us to develop even faster, quieter and longer-lasting rolling...

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Premium technology for the wind industry - 4

6 Premium technology for the wind industry 7 A further invention: STIFF Having selected the bearing type, the next step is to determine the required bearing size and bearing design to come to a solution that considers all aspects for high capacity and efficient design. One criterion is of paramount significance: estimating bearing life. For a long time experts have been aware of the fact that many features need to be considered for an estimation to be reliable. NSK’s latest developments include optimised methods and calculation procedures that increase accuracy for estimating bearing life....

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8 Premium technology for the wind industry 9 3 5 2 3 4 1 Every solution calls for the right products. Rotor shaft main bearings The rotor induces high axial and radial loads in the main bearings, which occur both statically and dynamically. Given such loads as these, high bearing stiffness is indispensable. Spherical, cylindrical and taper roller bearings mounted either in the classic fixed end/loose end bearing arrangement or in a floating bearing arrangement are particularly well-suited for this application. Main gearbox bearings A variety of gearbox arrangements have been implemented for...

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10 Premium technology for the wind industry 11 Deep groove ball bearings Suitability › Low to medium radial loads › Smaller axial loads in both directions › Very high speeds Applications › Gearbox bearings › Generator bearings Design › Cage made of steel, solid brass or plastic › Electrically insulated roller bearings › Outer diameters up to 2500 mm Four-point contact ball bearing Suitability › High axial loads in both directions › Medium speeds Applications › Gearbox bearings Design › Brass cage › Various pressure angles Taper roller bearing Suitability › High radial and axial loads in one...

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Every care has been taken to ensure the infor- mation in this publication is accurate but no liability can beaccepted for any errors or omissions. © Copyright NSK 2009. The contents of this publicationare the copyright of the publishers. Printed in Germany. Ref: WIN/A/D/04.09 EUROPEAN NSK SALES OFFICES Please also visit our website: www.nskeurope.com – Global NSK: www.nsk.com FRANCE NSK France S.A.S. Quartier de l’Europe 2, Rue Georges Guynemer 78283 Guyancourt Cedex Tel: +33 1 30573939 Fax: +33 1 30570001 Email: info-fr@nsk.com GERMANY NSK Deutschland GmbH Harkortstrasse 15 40880 Ratingen...

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