An electric motor, in particular a pump motor, made up of a permanent magnet rotor, a wound stator, having a stator laminate package, insulating elements and a stator winding, a motor housing made of plastic material and a component carrying a rotor bearing, in particular a pump head. It is an object of the invention to provide a generic motor with a reliable and economically feasible fastening of the stator to the motor housing, wherein heat expansion cracks are avoided and noise transmissions can be reduced.