The invention relates to a fastening device, in particular a mount, which is designed and configured to receive bearings of a textilemachine, in particular a rotor spinningmachine, comprising at least one inner ring region and at least one outer ring region. In order to improve the safety of the operation of a textilemachine, to extend the service life of a textile machine and thus save resources, and to improve the operation of a textile machine, the inner ring region and the outer ring region are formed as a single piece.