crank rebuild
Oh OK I see, you are dropping the crank off to be rebuilt. That's good ,because a 3 jaw puller would not get that bearing off the crank. You Need a bearing separator style- it has knifed edges,so as you tighten up the nuts. Its forces the puller behind the bearing-get it real good and tight. Then use a press on the WELL supported crank assy.
Its the only way I have ever done main bearings.
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