Electric motor which comprises: An internal stator; an external rotor having a shaft, which external rotor is configured in the manner of a rotor bell having an outer side and an inner side; a bearing tube for reception of a bearing arrangement supporting the shaft, which bearing arrangement comprises a first rolling bearing and a second rolling bearing which each comprise an outer ring (72", 76") and an inner ring (72', 76'), which bearing tube has a first end facing towards the inner side of the external rotor; and which bearing tube has a second end facing away from the first end and connected to a plastic part which forms an inwardly protruding stop in the region of the second end, the first rolling bearing being arranged in the region of the first end, and the second rolling bearing being arranged in the region of the second end of the bearing tube, an end face (76"') of the outer ring (76") of the second rolling bearing abutting against the stop in the region of the second end of the bearing tube, characterised in that the bearing tube is configured as a shaped piece made of metal, the first end of the bearing tube likewise being provided with an inwardly protruding stop, the bearing arrangement being arranged in the bearing tube between these two inwardly protruding stops (73, 77), the inner side of the second end of the bearing tube having an enlargement to facilitate introduction of the bearing arrangement into the bearing tube, plastic of the plastic part being arranged in the region between the inner side of the enlargement of the second end of the bearing tube and the outer ring (76") of the second rolling bearing, and there being provided, between the inner side of the external rotor and the inner ring of the first rolling bearing (72"), a compression spring which biases this inner ring in the direction of the second rolling bearing. An internal stator; an external rotor having a shaft, which external rotor is configured in the manner of a rotor bell having an outer side and an inner side; a bearing tube for reception of a bearing arrangement supporting the shaft, which bearing arrangement comprises a first rolling bearing and a second rolling bearing which each comprise an outer ring (72", 76") and an inner ring (72', 76'), which bearing tube has a first end facing towards the inner side of the external rotor; and which bearing tube has a second end facing away from the first end and connected to a plastic part which forms an inwardly protruding stop in the region of the second end, the first rolling bearing being arranged in the region of the first end, and the second rolling bearing being arranged in the region of the second end of the bearing tube, an end face (76"') of the outer ring (76") of the second rolling bearing abutting against the stop in the region of the second end of the bearing tube, characterised in that the bearing tube is configured as a shaped piece made of metal, the first end of the bearing tube likewise being provided with an inwardly protruding stop, the bearing arrangement being arranged in the bearing tube between these two inwardly protruding stops (73, 77), the inner side of the second end of the bearing tube having an enlargement to facilitate introduction of the bearing arrangement into the bearing tube, plastic of the plastic part being arranged in the region between the inner side of the enlargement of the second end of the bearing tube and the outer ring (76") of the second rolling bearing, and there being provided, between the inner side of the external rotor and the inner ring of the first rolling bearing (72"), a compression spring which biases this inner ring in the direction of the second rolling bearing.