A fixed type constant velocity universal joint, comprising: an outer joint member having a plurality of track grooves formed in an inner spherical surface thereof; an inner joint member having a plurality of track grooves, which are paired with the track grooves of the outer joint member, formed in an outer spherical surface thereof; a plurality of torque transmission balls, which are arrayed in a plurality of torque transmitting ball tracks that are formed in cooperation with the track grooves of the outer joint member and the track grooves of the inner joint member corresponding to the track grooves of the outer joint member; and a cage, which is interposed between the inner spherical surface of the outer joint member and the outer spherical surface of the inner joint member, and is configured to retain the plurality of torque transmission balls, wherein the plurality of torque transmitting ball tracks comprise six torque transmitting ball tracks, which are defined as a first track, a second track, a third track, a fourth track, a fifth track, and a sixth track along a circumferential direction, wherein an axial offset amount of a curvature center of each of the plurality of track grooves of the outer joint member and an axial offset amount of a curvature center of each of the plurality of track grooves of the inner joint member are set to 0, and wherein the plurality of track grooves of the outer joint member and the plurality of track grooves of the inner joint member are each inclined with respect to an axis line (L, L1), characterized in that in each of the plurality of torque transmitting ball tracks, the each of the plurality of track grooves of the outer joint member and the each of the plurality of track grooves of the inner joint member, which are opposed to the plurality of track grooves of the outer joint member, are inclined with respect to the axis line (L, L1) in opposite directions and absolute values of the inclination angles of the plurality of torque transmitting ball tracks adjacent to each other in the circumferential direction are set to be different from each other and a spherical surface width on a side of the inner joint member on which the plurality of track grooves are closely adjacent to each other is configured capable of being secured to be larger than in a case in which the absolute values of the inclination angles are same, and a circumferential length of a pillar portion between pockets adjacent to each other in the circumferential direction is secured to be larger than in the case in which the inclination angles of the torque transmitting ball tracks that are adjacent in the circumferential direction are same. an outer joint member having a plurality of track grooves formed in an inner spherical surface thereof; an inner joint member having a plurality of track grooves, which are paired with the track grooves of the outer joint member, formed in an outer spherical surface thereof; a plurality of torque transmission balls, which are arrayed in a plurality of torque transmitting ball tracks that are formed in cooperation with the track grooves of the outer joint member and the track grooves of the inner joint member corresponding to the track grooves of the outer joint member; and a cage, which is interposed between the inner spherical surface of the outer joint member and the outer spherical surface of the inner joint member, and is configured to retain the plurality of torque transmission balls, wherein the plurality of torque transmitting ball tracks comprise six torque transmitting ball tracks, which are defined as a first track, a second track, a third track, a fourth track, a fifth track, and a sixth track along a circumferential direction, wherein an axial offset amount of a curvature center of each of the plurality of track grooves of the outer joint member and an axial offset amount of a curvature center of each of the plurality of track grooves of the inner joint member are set to 0, and wherein the plurality of track grooves of the outer joint member and the plurality of track grooves of the inner joint member are each inclined with respect to an axis line (L, L1),