Pneumatic tire

1. A pneumatic tire having designated vehicle inner and outer orientations at a time of mounting on a vehicle, the pneumatic tire comprising:

in a tread portion, a belt layer comprising a circumferential belt layer in which a belt cord is disposed along a tire circumferential direction, and a plurality of belt plies having a larger tire lateral direction dimension than a tire lateral direction dimension of the circumferential belt layer in which a belt cord is inclined toward the tire circumferential direction; wherein

a tread gauge from a tread surface of the tread portion to the belt layer is equal on a vehicle outer side and a vehicle inner side in a range in which the circumferential belt layer is disposed;

at positions located away from a tire equatorial plane toward the vehicle outer side and the vehicle inner side by 120% of half of the tire lateral direction dimension of the circumferential belt layer, a gauge H 1 out on the vehicle outer side and a gauge H 1 in on the vehicle inner side to a belt ply of the plurality of belt plies located outermost in a tire radial direction satisfy 1 mm≤H 1 in−H 1 out≤3 mm; and

a gauge H 2 out on the vehicle outer side and a gauge H 2 in on the vehicle inner side in a shortest distance from a contact edge of the tread portion to a belt ply of the plurality of belt plies with a tire lateral direction maximum dimension satisfy 1 mm≤H 2 in−H 2 out≤3 mm.

2. The pneumatic tire according to claim 1 , wherein the pneumatic tire is a heavy duty tire of single mounting having a nominal width of 355 mm or greater, an aspect ratio of 55% or less, and a rim diameter of 17.5 inches or greater.

3. The pneumatic tire according to claim 1 , wherein a relationship between the gauge H 1 out on the vehicle outer side and the gauge H 1 in on the vehicle inner side is set such that the belt layer is symmetrically disposed in the tire lateral direction with the tire equatorial plane as a center, and profiles of the tread surface are made different in the tire lateral direction with the tire equatorial plane as a center.

4. The pneumatic tire according to claim 1 , wherein a relationship between the gauge H 1 out on the vehicle outer side and the gauge H 1 in on the vehicle inner side is set such that profiles of the tread surface are symmetrically disposed in the tire lateral direction with the tire equatorial plane as a center, and an arrangement of the belt layer is made different in the tire lateral direction with the tire equatorial plane as a center.

5. The pneumatic tire according to claim 1 , a relationship between the gauge H 1 out on the vehicle outer side and the gauge H 1 in on the vehicle inner side is set such that profiles of the tread surface are made different in the tire lateral direction with the tire equatorial plane as a center, and an arrangement of the belt layer is made different in the tire lateral direction with the tire equatorial plane as a center.

6. The pneumatic tire according to claim 1 , wherein

a plurality of circumferential main grooves extending along the tire circumferential direction in the tread surface are formed side by side in a tire lateral direction, and

a dimension Wr between insides in the tire lateral direction of circumferential main grooves of the plurality of circumferential main grooves located outermost in the tire lateral direction and a tire lateral direction dimension W of the circumferential belt layer satisfy 0.9≤W/Wr≤1.1.

7. The pneumatic tire according to claim 6 , wherein, when the pneumatic tire is mounted on a regular rim, inflated to a regular internal pressure, and in an unloaded state, a tire radial direction dimension D between an intersection point P of the tread surface and an auxiliary line L 1 extending from an end portion of the circumferential belt layer outward in the tire radial direction and an auxiliary line L 2 extending in the tire lateral direction from a tire radial direction maximum position in the tread surface, and a tire lateral direction distance W 1 from the tire equatorial plane to the end portion of the circumferential belt layer satisfy 0.01≤D/W 1 ≤0.05.

8. The pneumatic tire according to claim 7 , wherein the pneumatic tire is a heavy duty tire of single mounting having a nominal width of 355 mm or greater, an aspect ratio of 55% or less, and a rim diameter of 17.5 inches or greater.

9. The pneumatic tire according to claim 8 , wherein a relationship between the gauge H 1 out on the vehicle outer side and the gauge H 1 in on the vehicle inner side is set such that the belt layer is symmetrically disposed in the tire lateral direction with the tire equatorial plane as a center, and profiles of the tread surface are made different in the tire lateral direction with the tire equatorial plane as a center.

10. The pneumatic tire according to claim 8 , wherein a relationship between the gauge H 1 out on the vehicle outer side and the gauge H 1 in on the vehicle inner side is set such that profiles of the tread surface are symmetrically disposed in the tire lateral direction with the tire equatorial plane as a center, and an arrangement of the belt layer is made different in the tire lateral direction with the tire equatorial plane as a center.

11. The pneumatic tire according to claim 8 , a relationship between the gauge H 1 out on the vehicle outer side and the gauge H 1 in on the vehicle inner side is set such that profiles of the tread surface are made different in the tire lateral direction with the tire equatorial plane as a center, and an arrangement of the belt layer is made different in the tire lateral direction with the tire equatorial plane as a center.