A cartridge vane pump attached to a body of a fluid pressure device, the cartridge vane pump comprising: a rotor configured to be driven rotationally; a plurality of vanes provided in the rotor, the plurality of vanes being configured to reciprocate in a radial direction of the rotor; a cam ring having an inner circumference cam face with which the plurality of vanes are brought into sliding contact; a side member brought into contact with the rotor and a first end surface of the cam ring; a cover member brought into contact with the rotor and a second end surface of the cam ring, the cover member being attached to the body; and a linkage member provided to extend between the side member and the cover member over an outer circumferential surface of the cam ring, the linkage member being configured to link the side member and the cover member, characterized in that the linkage member includes: a linkage portion linked to one of the side member and the cover member; an extended portion extended in an axial direction of the rotor from the linkage portion towards other of the side member and the cover member; and a support portion projected out from the extended portion in a direction intersecting the extended portion, the support portion being configured to support the other of the side member and the cover member, the other of the side member and the cover member has a recessed portion formed to open at an outer circumferential surface of the other of the side member and the cover member, the other of the side member and the cover member being supported by the support portion by inserting the support portion into the recessed portion, and the extended portion is formed with a bent portion, the bent portion being bent between the support portion and the linkage portion so as to project towards an opposite side from the support portion in a state in which the support portion is moved out from the recessed portion. a rotor configured to be driven rotationally; a plurality of vanes provided in the rotor, the plurality of vanes being configured to reciprocate in a radial direction of the rotor; a cam ring having an inner circumference cam face with which the plurality of vanes are brought into sliding contact; a side member brought into contact with the rotor and a first end surface of the cam ring; a cover member brought into contact with the rotor and a second end surface of the cam ring, the cover member being attached to the body; and a linkage member provided to extend between the side member and the cover member over an outer circumferential surface of the cam ring, the linkage member being configured to link the side member and the cover member, characterized in that the linkage member includes: a linkage portion linked to one of the side member and the cover member; an extended portion extended in an axial direction of the rotor from the linkage portion towards other of the side member and the cover member; and a support portion projected out from the extended portion in a direction intersecting the extended portion, the support portion being configured to support the other of the side member and the cover member, a linkage portion linked to one of the side member and the cover member; an extended portion extended in an axial direction of the rotor from the linkage portion towards other of the side member and the cover member; and a support portion projected out from the extended portion in a direction intersecting the extended portion, the support portion being configured to support the other of the side member and the cover member, the other of the side member and the cover member has a recessed portion formed to open at an outer circumferential surface of the other of the side member and the cover member, the other of the side member and the cover member being supported by the support portion by inserting the support portion into the recessed portion, and the extended portion is formed with a bent portion, the bent portion being bent between the support portion and the linkage portion so as to project towards an opposite side from the support portion in a state in which the support portion is moved out from the recessed portion.