Rolling contact fatigue calculation of a three-row  roller pitch bearing in a wind turbine

Menck, Oliver; Schleich, Florian; Stammler, Matthias

doi:10.5194/wes-10-2771-2025

Articles | Volume 10, issue 11

https://doi.org/10.5194/wes-10-2771-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/wes-10-2771-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 10, issue 11

Research article

|

27 Nov 2025

Research article |

| 27 Nov 2025

Rolling contact fatigue calculation of a three-row roller pitch bearing in a wind turbine

Oliver Menck, Florian Schleich, and Matthias Stammler

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Oct 2025	38	10	2	50
Nov 2025	107	33	7	147
Dec 2025	289	91	20	400
Jan 2026	1,072	126	19	1,217
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Cumulative views and downloads (calculated since 24 Jun 2025)

Month	HTML	PDF	XML	Total
Jun 2025	64	12	5	81
Jul 2025	59	15	21	95
Aug 2025	144	28	10	182
Sep 2025	298	8	2	308
Oct 2025	38	10	2	50
Nov 2025	107	33	7	147
Dec 2025	289	91	20	400
Jan 2026	1,072	126	19	1,217
Feb 2026	288	96	13	397
Mar 2026	94	236	11	341
Apr 2026	212	166	19	397
May 2026	162	116	9	287
Jun 2026	25	35	1	61
Jul 2026	132	62	2	196
Aug 2026	17	15	2	34

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Short summary

The paper discusses how to calculate the life of a blade bearing that is a roller bearing, as opposed to ball bearings, which most papers on the subject discuss. The raceway fatigue life of the bearing is calculated in a very detailed manner. This includes a validated finite-element simulation model and an approach to determine loads for all operating conditions that the wind turbine experiences.