The present invention relates to a roller bearing sensor (1) with a housing (4) and one in the housing (4) is arranged in a manner secured against rotation of the signal sensors (3), which is connected to the housing (4) in a stationary receptacle (8) in a stationary part of a rolling bearing (2) or in a fixed on a roller bearing the adjoining component, such as, for example, an axle journal, is arranged, wherein the housing (4) has an outer shape, by means of which the roller bearing sensor (1) in the receptacle (8) is positively secured against rotation.
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