| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for simplifying assembly work and for assembling a bearing device for easily assembling even a compact bearing device, and to provide the bearing device. SOLUTION: A coil spring 18 is compressed and a second outer ring 13b is arranged in an eccentric state around a second track groove 11b in a shaft so that an arc-like insertion gap S is formed between the inner-periphery surface and the outer-periphery surface of the shaft. A ball supporting tool 20 is inserted from the side of a counter coil spring of the second outer ring 13b into the insertion gap S. Balls 12b are inserted from the side of the counter coil spring into the insertion gap S for arranging in a semi-arc shape so that the ball supporting tool 20 can support them. The second outer ring 13b is moved in a diameter direction so that it is concentric with a shaft 11, and the ball supporting tool 20 is rotated so that it is positioned at an opposite side in a peripheral direction without overlapping with the balls 12b arranged in a semi-arc shape, and the ball supporting tool 20 is pulled to the side of the counter coil spring. COPYRIGHT: (C)2004,JPO
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