| 摘要 |
PROBLEM TO BE SOLVED: To provide a double row ball bearing capable of reducing torque, by restraining agitating resistance by a lubricant, by optimizing the quantity of lubricant existing in the bearing. SOLUTION: The lubricant is supplied to the small diameter side of the bearing 1, and the lubricant is moved to the large diameter side of the bearing 1 by the pump action of the bearing 1. A lubricant supply passage 8 capable of dripping the lubricant on a small diameter side ball 5, is arranged in an outer race 2. COPYRIGHT: (C)2008,JPO&INPIT
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