Rotor of motor with brush, and motor with brush

Provided is a rotor of a motor with a brush, with which it is possible to improve productivity by reducing causes of failure resulting from rotor contamination, by reducing occurrences of contamination when a commutator is press fitted onto knurling. In this rotor of a motor with a brush, in which a commutator 15 is press fitted onto knurling 25 on a shaft 5, an inclined surface 40 is provided onan inner peripheral side of the commutator, and the angle of the inclined surface 40 is configured in such a way as to be less than an angle of an axial-direction end portion 35 of the knurling 25. The configuration may be such that the knurling 25 is in a different position to a shaft stepped end surface 30 of the shaft 5, and the knurling 25 is positioned further toward the inside, in the axialdirection, of the commutator 15 than an end surface 50 of the commutator 15. 提供种有刷电机的转子，该有刷电机的转子可以减少将换向器压入滚花时产生的污染，并减少转子的污染引起的不良因素，从而提高生产率。在换向器(15)被压入轴(5)的滚花(25)有刷电机的转子中，在所述换向器的内周侧设有倾斜面(40)，所述倾斜面(40)的角度构成为小于所述滚花(25)的轴向端部(35)的角