A bone anchoring device is provided comprising: a bone anchoring element (2) having a shaft (3) to be anchored in the bone and a head (4) a receiving part (5 500) for receiving a rod (100) to be connected to the bone anchoring element (2) the rod having a longitudinal axis (L), the receiving part (5 500) being formed in one piece and having an open first bore (8) with a first bore axis (9), a recess (10) shaped and sized to receive the rod, a second bore (12 120) having a second bore axis (13 130), the second bore being in communication with the first bore (8) and being sized to receive the head (4) with a part of the shaft (3) extending through the second bore (12, 120), wherein the second bore axis (13 130) includes an angle of approximately 90° with a plane defined by the first bore axis (9) and the longitudinal axis (L) of the rod, and a pressure member (20) acting onto the head (4) to lock the position of the head relative to the receiving part.
