Patent 7789569 was granted and assigned to JTEKT on September, 2010 by the United States Patent and Trademark Office.
A cage includes a cage body in an annular shape which is formed with a plurality of pockets for receiving rolling elements, an oil containing member in an annular shape which is attached to an inner peripheral surface of the cage body and formed of material capable of impregnating lubricating oil, and an applying member for applying the lubricating oil in the oil containing member to an inner ring.