These are bearing fault data from https://engineering.case.edu.
All bearing data from this university are zipped with index.
You can download in this repository or here
or you can click these links to download directly.
https://engineering.case.edu/sites/default/files/97.mat
https://engineering.case.edu/sites/default/files/98.mat
https://engineering.case.edu/sites/default/files/99.mat
https://engineering.case.edu/sites/default/files/100.mat
https://engineering.case.edu/sites/default/files/278.mat
https://engineering.case.edu/sites/default/files/279.mat
https://engineering.case.edu/sites/default/files/280.mat
...
There are 130 individual files and you can explore file list by downloading index.zip file in this repository.