The modular framework for shelving comprises:—a supporting frame of a shelving;—movement means of the supporting frame for moving it forward/backward on guide means defining a direction of movement;—actuating means of the movement means which are associated with the supporting frame;—motion transmission means for transmitting motion from the actuating means to the movement means, and associated with the supporting frame; wherein the motion transmission means comprise a driving gear wheel associated with the actuating means and a driven gear wheel cooperating with the driving gear wheel and associated with the movement means.