To provide a rotor for a crushing, grain-regulating and grinding apparatus and a liner chip for the crushing, grain-regulating, and grinding apparatus in which maintenance cost could have been reduced by reducing the cost of replacement component and the cost of component replacement work.

Liner chips 6 each comprised of a pair of chip members 6a and 6b and press metal fittings 5 are arranged alternately on the outer peripheral surface of a cylindrical rotor body 1, and each of the press metal fittings 5 is fastened tight to the rotor body 1 through a bolt 7 to fix the liner chip 6 onto the rotor body 1. The bolt 7 is loosened to unfasten the liner chip 6 from the rotor body 1, and the liner chip 6 is removed from the rotor body 1. The rotor body 1 can be used continuously without replacement by replacing or replenishing the liner chip 6.