A shaft end structure of a bogie, comprising: a speed measuring gear with a central through hole , which is configured to be fixedly connected with an end face of a wheel , and an outer end face of the speed measuring gear is provided with a plurality of speed measuring teeth evenly distributed in a circumferential direction; a friction disc , which is fixedly connected with the speed measuring gear , wherein the friction disc is arranged on an outer end surface, outside the speed measuring teeth in a radial direction, of the speed measuring gear ; a shaft end front cover , which covers an outer side of the speed measuring gear and the friction disc , wherein a central part of a main body of the shaft end front cover is used for passing through the central through hole of the speed measuring gear and fixedly connecting to a shaft end of an axle ; and the shaft end front cover is provided thereon with a speed sensor interface and a brush interface that are arranged corresponding to the speed measuring teeth and the friction disc respectively, characterized in that the speed measuring gear has a concave annular groove , and a speed measuring teeth body which is axially extended, is provided at a radial inner side of the annular groove , and the speed measuring teeth body has an annular outer end surface provided with the speed measuring teeth ; the friction disc abuts against and is fixed with the speed measuring gear on a radial outer side of the annular groove , and the friction disc is provided with a limiting part extending axially from an inner edge of a main body of the friction disc , and the limiting part is inserted into the annular groove to establish radial positioning of the limiting part and the annular groove . a speed measuring gear with a central through hole , which is configured to be fixedly connected with an end face of a wheel , and an outer end face of the speed measuring gear is provided with a plurality of speed measuring teeth evenly distributed in a circumferential direction; a friction disc , which is fixedly connected with the speed measuring gear , wherein the friction disc is arranged on an outer end surface, outside the speed measuring teeth in a radial direction, of the speed measuring gear ; a shaft end front cover , which covers an outer side of the speed measuring gear and the friction disc , wherein a central part of a main body of the shaft end front cover is used for passing through the central through hole of the speed measuring gear and fixedly connecting to a shaft end of an axle ; and the shaft end front cover is provided thereon with a speed sensor interface and a brush interface that are arranged corresponding to the speed measuring teeth and the friction disc respectively, characterized in that the speed measuring gear has a concave annular groove , and a speed measuring teeth body which is axially extended, is provided at a radial inner side of the annular groove , and the speed measuring teeth body has an annular outer end surface provided with the speed measuring teeth ; the friction disc abuts against and is fixed with the speed measuring gear on a radial outer side of the annular groove , and the friction disc is provided with a limiting part extending axially from an inner edge of a main body of the friction disc , and the limiting part is inserted into the annular groove to establish radial positioning of the limiting part and the annular groove . <EOS>