An electromagnet for producing a linear movement, comprising: - a hollow cylindrical housing with a pot-shaped geometry, - an excitation coil arranged in the housing, - a pole core fixed with respect to the housing, and - an armature assembly mounted centrally in the excitation coil, having a main armature (5.1) which can be displaced with respect to the housing and an armature disk (5.2) which can be displaced with respect to the housing, wherein - an air gap (5.3) is formed between the main armature (5.1) and the armature disk (5.2) in the non-energized state of the excitation coil, and the main armature (5.1) and the armature disk (5.2) rest against one another in the energized state of the excitation coil, wherein - the armature assembly has an elastic element (5.4), by means of the preloading force of which, in the energized state of the excitation coil, an elastic frictional connection can be produced between the main armature (5.1) and the armature disk (5.2) in such a way that the armature disk (5.2) can be moved against the pole core while producing the air gap (5.3) if a magnetic force produced by the energized excitation coil in the armature assembly falls below the preloading force, wherein the armature disk (5.2) has a guide bolt (5.20), - the main armature (5.1) has a blind hole (5.10) for displaceably receiving the guide bolt (5.20), and - the elastic element (5.4) is arranged in the blind hole (5.10), which element is supported on the one hand against a hole bottom (5.11) of the blind hole (5.10), characterized in that the elastic element (5.4) is supported on the other hand against the guide bolt (5.20). - a hollow cylindrical housing with a pot-shaped geometry, - an excitation coil arranged in the housing, - a pole core fixed with respect to the housing, and - an armature assembly mounted centrally in the excitation coil, having a main armature (5.1) which can be displaced with respect to the housing and an armature disk (5.2) which can be displaced with respect to the housing, wherein - an air gap (5.3) is formed between the main armature (5.1) and the armature disk (5.2) in the non-energized state of the excitation coil, and the main armature (5.1) and the armature disk (5.2) rest against one another in the energized state of the excitation coil, wherein - the armature assembly has an elastic element (5.4), by means of the preloading force of which, in the energized state of the excitation coil, an elastic frictional connection can be produced between the main armature (5.1) and the armature disk (5.2) in such a way that the armature disk (5.2) can be moved against the pole core while producing the air gap (5.3) if a magnetic force produced by the energized excitation coil in the armature assembly falls below the preloading force, wherein the armature disk (5.2) has a guide bolt (5.20), - the main armature (5.1) has a blind hole (5.10) for displaceably receiving the guide bolt (5.20), and - the elastic element (5.4) is arranged in the blind hole (5.10), which element is supported on the one hand against a hole bottom (5.11) of the blind hole (5.10), characterized in that the elastic element (5.4) is supported on the other hand against the guide bolt (5.20).