The present invention relates to an electrical machine 1, in particular an electric motor, with a housing 2 and covers 3, 4 that close the housing 2 and contain bearings 7, 8 that rotatably support a rotor 5. According to the present invention, spring elements 7.3, 8.3 are provided that act upon at least one bearing shell 7.1, 7.2, 8.1, 8.2 each of bearings 7, 8 with a compression force acting in the axial direction, whereby the mounting of the bearing shell 7.1, 7.2, 8.1, 8.2 that is acted upon by one of the spring elements 7.3, 8.3 is configured as a sliding fit.