1. Gleitlagertechnik Weißbacher GmbH, Alpen 46519, Germany
2. Institute for Materials Applications in Mechanical Engineering, RWTH Aachen University, Aachen 52062, Germany
3. Institute of Tribology and Energy Conversion Machinery, Clausthal University of Technology, Clausthal-Zellerfeld 38678, Germany
4. Institute for Machine Elements and Systems Engineering, RWTH Aachen University, Aachen 52062, Germany
5. Jeumont Electric, Jeumont Cedex 59572, France