Special tools for removing tapered roller bearings

In order to facilitate the removal of the 7217E tapered roller bearing, I have designed a special tool as shown in the figure. The method of use is as follows: (1) Extend the assembled tool body 8 and the leg 9 into the inner hole of the bearing outer ring 10 so that The pin 9 is bent against the hole end of the bearing housing 11. (2) Rotate the handle 1 and drive the Screw 5 so that the taper end of the screw 5 pushes the leg 9 and the tip is opened to the four sides. At this time, the 30° tip of the leg 9 is inserted into the recess of the bearing housing 11. (3) The tool body 8 is screwed by the nut 6. (4) Place two support plates 7 on the bearing housing.

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