| 摘要 |
PROBLEM TO BE SOLVED: To provide a bearing capable of corresponding to high speed rotation by improving lubricating efficiency. SOLUTION: Since a holder 14, as it goes toward a ball 13, has slopes 14d, 14e inclined to the outward in a radial direction, when lubricating oil supplied to a bearing 10 adheres to the slope 14e of the holder 14, it is moved toward the ball 13 based on centrifugal force generated in the case the holder 14 is rotated, consequently the bearing 10 can be more efficiently lubricated.
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