| 摘要 |
PURPOSE: To provide a bearing which has the small-sized and simple constitution, possesses the automatic centering action, and has a fine slidable surface. CONSTITUTION: A bearing device is constituted of a shaft 2 made of the magnetic material, and the bearings 1 and 1 each of which consists of a resin magnet or sinterred magnet which is formed by mixing the magnetic powder and resin and molding them, and are magnetized, and a tapered part 1b is formed along the slidable surface 1a between the shaft 2 and the bearing 1, and a magnetic fluid 3 is poured along the slidable surface 1a between the bearing 1 and the shaft 2. |
