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The Koyo bearing appears to be a roller type, 20mm ID (or 26mm), 36mm OD, 12mm wide. I don't see any retaining groove in the shell. So, it's NOT for the crank or any of the transmission shafts. The large transmission shaft bearings are ball type.
Measure the washer's ID, OD, thickness.
Compare to the washer dims in the clutch diagram.