James,
Sounds like you may have some edge loading or some minor cap shift.
Assemble the crank with all the bearings, rotate a few times then examine the
bearings for any sign of cap misalignment (shiny areas at the parting line) or
shiny lines on the edges of the bearing, as in radius interference. A tight
spot, even a small one can give you that initial grab when you try to turn it.
Dale
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