Quick mounting device for miniature bearing

The utility model discloses a quick mounting device for a miniature bearing. The quick mounting device comprises a press machine, a fixing seat is arranged below the press machine, and an output shaft of the press machine is provided with a mounting head used for mounting a miniature bearing. The mounting head comprises a first connecting section, a second connecting section and a working section; a mounting boss is arranged above the working section, a reset spring is arranged above the mounting boss, and a discharging plate is arranged on the fixed seat and is arranged below the mounting head; an adsorption assembly is further arranged below the discharging plate and connected with the discharging plate. According to the utility model, the mounting head is arranged on the output shaft, so that the mounting stress of the miniature bearing is more uniform, the miniature bearing is prevented from being damaged due to impact and dislocation in the mounting process, the mounting accuracy of the miniature bearing