| 摘要 |
A bearing tool includes a first ring, whose inner diameter is larger than the outer diameter of the inner ring of the bearing and whose outer diameter is larger than the inner diameter of the outer ring of the bearing; a second ring, which is coaxial with the first ring, has an outer diameter smaller than the inner diameter of the first ring and the inner diameter of the outer ring of the bearing, and has an inner diameter smaller than the outer diameter of the inner ring of the bearing; and a force-exerting part, which provides an action force to change the axial relative position between the coaxial first and second rings. The bearing is coaxially held between the first and second rings, so that one end in the axis of the first ring urges against the opposite surface of the outer ring of the bearing and one end in the axis of the second ring urges against the opposite surface of the inner ring of the bearing. The action of the force-exerting part is mediated by the first and second rings to change the axial relative position between the inner and outer rings of the bearing.
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