Here are some key research papers on slewing bearings:

1. Analysis of causes and effects errors in calculation of rolling slewing bearings capacity
   Authors: M. Krynke, K. Mielczarek
   Published in: Production Engineering Archives, 2016
   Summary: Discusses the necessity for numerical methods in calculating the real conditions affecting the capacity of slewing bearings.
   Cited by 12

2. Strength analysis of slewing bearings
   Authors: R. Skyba, S. Hrček, L. Smetánka
   Published in: Transportation Research Procedia, 2019
   Summary: This paper categorizes slewing bearings by rolling elements and analyzes their strength.
   Cited by 15

3. Analysis of the influence of slewing bearing mounting on their static load capacity
   Authors: M. Krynke, R. Ulewicz
   Published in: Transportation Research Procedia, 2019
   Summary: Examines how mounting configurations affect the load capacity of slewing bearings in large machinery.
   Cited by 13

4. Methodology for calculating the complete static carrying capacity of twin slewing bearing
   Author: S. Śpiewak
   Published in: Mechanism and Machine Theory, 2016
   Summary: Proposes a method for estimating the static carrying capacity of twin slewing bearings.
   Cited by 32

5. A catalogue capacity of slewing bearings
   Authors: L. Kania, M. Krynke, E. Mazanek
   Published in: Mechanism and Machine Theory, 2012
   Summary: The paper details bearing capacity, accounting for the flexibility and rolling element contact zones.
   Cited by 71

For further details on these papers, feel free to explore the links provided.