Spindle special for offset printing press

The invention discloses a spindle special for an offset printing press. The spindle comprises a spindle shell and a barrel-shaped spindle body which is supported on the spindle shell in a rotatable mode. A closed lubrication cavity is formed between the spindle body and the spindle shell. A set of first cylindrical roller bearings matched with the spindle body are arranged in the lubrication cavity and located at the position close to the front end of the spindle body. A rotary table bearing in rolling fit with the spindle body is arranged at the rear end of the spindle body. The rotary table bearing is fixedly connected with the inner side wall of the spindle shell. A second cylindrical roller bearing matched with the spindle body is arranged between the first cylindrical roller bearings and the rotary table bearing. An installation adjusting gap part is formed between the first cylindrical roller bearings and the second cylindrical roller bearing. The spindle special for the offset printing press is good in