Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) A. B. Jones and J. M. McGrew and Jr.,Rotor-bearing Dynamics Technology Design Guide. Part 2. Ball Bearings,,,Defense Technical Information Center,1978-02-01,,,,https://cir.nii.ac.jp/crid/1364233268811546368,https://doi.org/10.21236/ada065554