thyssenkrupp rothe erde USA Inc. dba ROTEK Incorporated Wind

1400 South Chillicothe Road Aftermarket Aurora, OH 44202 Tel: 330.562.4000 rothe erde slewing bearings Fax: 330.562.4620 rothe erde rings psl rolling bearings

Authorized distributor for rothe erde @ slewing bearings for the Wind Aftermarket rothe erde @ slewing bearings for the Wind Aftermarket rothe erde @ slewing bearings for the Wind Aftermarket

This is us Upgrades Standard Upgrades Through Operational Excellence thyssenkrupp Specifically the Wind Energy Market has been driving significant continuous improvement measures over the last 10 years. All of our bearing products are manufactured according to the latest state of the art technology: rothe erde • Cleanliness requirements in forged rings • Inspection services and failure analysis • Improved quality in rolling elements thyssenkrupp rothe erde with its global presence is developing and • Improved ultrasonic and other non-destructive delivering specific bearings to the wind industry since the first turbine has testing methods and frequencies been built in the 80's. In North America we have been supplying these • Process improvements products under the Rotek brand name. Rotek, now thyssenkrupp rothe erde • Validation in world’s largest R&D facility for blade bearings USA Inc. continues to be your partner for the wind aftermarket slewing • World’s longest track record for blade bearings within the bearings and will supply slewing bearing products under the globally Service and aligned brand name rothe erde. sentire wind industry Refurbishment

Have thyssenkrupp rothe erde Additional Optional Upgrades demonstrate to you how Replacement Bearings for the MRO Market remanufacturing services can • Enhanced raceway load capacity improve turbine availability, reduce maintenance cost, tyssenkrupp rothe erde has been supplying hundreds of thousands bearings • Various options for bolt hole corrosion protection and reduce the overall globally for the following OEMs under product labels such as Rotek, Roballo, • Independent certified finite element calculation environmental impact of wind Robrasa, XREB. methods turbine operations. Our • Improved sealing state-of-the-art bearing • Acciona • Neg Micon • Closed and coated cage options refurbishment facility in North • Alstom Wind / Ecotecnia • Energy America utilizes bearing • Dewind • Regen Powertech remanufacturing services to • • Repower / deliver a significantly more • Gamesa • Siemens Wind cost effective, efficient and • Ge Wind Energy • environmentally friendly • Inox Wind Limited • Vergnet approach to the challenge of wind energy generation. • Made/Gamesa • • Mitsubishi