| 摘要 |
PROBLEM TO BE SOLVED: To provide a roller bearing which can reduce the rotational torque in a low-load application, assuring the load capacity in a high-load application. SOLUTION: The roller bearing 10 is provided with an outer ring 11 having a track plane 11a in the inner peripheral surface, an inner ring 12 having a track plane 12a in the outer peripheral surface, and a plurality of rollers 13 rotatably arranged between both the track planes 11a, 12a. A crowning 14 is applied to the outer peripheral surface of the roller 13 to form a plurality of ridges 15 and bottoms 16 in the axial direction. In a predetermined load application, a plurality of the ridges 15 and bottoms 16 are brought in contact with the tack planes 11a, 12a by elastically deforming the outer peripheral surface of the roller 13 in the axial direction inward. COPYRIGHT: (C)2007,JPO&INPIT
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