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The extraction of needle bearings built into a small space is more difficult than the extraction of other type of bearing because the thickness of the bearing is thin and the strength of the shell is low. In addition, in the case of this destroyed bearing, the shell also left only the outer part, it became even more difficult.
So, this time, I made a jig, used it to safely pull it out, and completed the replacement work. However, I'm considering further improvement measures for proper operation of the bearings. For more information on the next page.
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