The utility model discloses a storage mechanism for a ball bearing inner and outer sleeve ring sorting assembly machine, which relates to a storage mechanism, and solves the problem that the ball bearing inner and outer sleeve ring sorting assembly machine needs to be matched with the storage mechanism, wherein each storage bin consists of bin stand columns, an upper base plate, a lower base plate, an outer baffle plate, an inner baffle plate, an inner bin door and an outer bin door, the upper base plate and the lower base plate are respectively arranged on the upper and the lower ends of the outer end surfaces of the bin stand columns, the inner baffle plate is arranged on the end surface of one side of the bin stand columns, the outer baffle plate and the inner baffle plate are oppositely arranged in a stagger mode, the outer baffle plate is fixed on the end surface of the outer side of the upper base plate, the inner bin door is arranged below the inner baffle plate, and consists of an inner bin door body, an inner turning plate baffle plate, an inner turning plate, an inner turning plate spring and an inner turning plate shaft, the outer bin door consists of an outer bin door body, an outer turning plate baffle plate, an outer turning plate, an outer turning plate spring and an outer turning plate shaft, the outer bin door body is arranged on the lower base plate, and 66 storage bins are uniformly distributed and arranged on a storage disc along the same circumference. The storage mechanism is used on the ball bearing inner and outer sleeve ring sorting assembly machine.