| 摘要 |
PROBLEM TO BE SOLVED: To provide a bearing in which the rotating hindrance of an inner ring resulting from the reduction of the clearance between the outer periphery of an outer ring and the spherical surface of a ball is eliminated, the material cost is low, and the manufacture is easy. SOLUTION: An inner ring 3 furnishing the first circular ball groove 32 along the outer peripheral surface; an outer ring 2 furnishing the second circular ball groove 22 along the inner peripheral surface opposing to the first circular ball groove 32; and plural balls 5 provided at the circular space part 4 between the first and the second circular ball grooves 32 and 22; are provided, and at least either one of the flexible skirt extending from the first side surface 24 side to the second side surface 25 side, to the outer side in the radial direction of the outer ring; and a flexible skirt extending from the second side surface 25 side to the first side surface 24 side, to the outer side in the radial direction of the outer ring; is provided to the outer periphery of the outer ring 2, and an outer pressure to the inner side in the radial direction applied to the outer periphery is absorbed and relaxed by this skirt 10. |
