Speed sensor and a holder for a rotational speed sensor and method of assembling the speed sensor

Speed ​​sensor can be used with one in a socket (14) housing (2), arranged with an inside of the housing (2) sensor (12) and with contact elements (7) are connected to the sensor (12), characterized in that the housing (2) is provided with an outer side (3) having a longitudinal axis (4) of the housing (2) a constant cross-sectional profile that is arranged by at least two along the longitudinal axis (4) at a distance increases (5, 6) is interrupted is, which are overprinted on insertion of the housing (2) into the socket (14) and of which at least one circulating closed about the longitudinal axis (4).