I also want to reiterate that a bearing on the way out will not let you know of its intent. Mine was replaced at 83k miles with not outward symptoms at all but upon examining the old bearing I could see where the original seal had failed allowing the bearing to fill with old crappy oil. I have no idea if and when it would fail but I'm glad I replaced it with the LN bearing as I understand this is an early stage of typical failure. I did the bearing replacement along with the clutch and flywheel myself and it was a straight forward job.
Steve
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