| 摘要 |
PROBLEM TO BE SOLVED: To prevent the fracture by seizuring of a cage in a rolling bearing. SOLUTION: In a bearing device where a shaft body is relatively rotatably supported in an inner periphery of a housing through an inner ring, an outer ring and a rolling bearing having a plurality of rolling elements mounted between the inner and outer rings and held by a cage, and the lubrication to the rolling bearing is the forced lubrication to the inside of the bearing from the external of the bearing through the inner ring side, a conical surface 14 reducing its diameter toward a pocket 12, is formed on an inner peripheral surface of the cage 6 of the rolling bearing 3.
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