Some items from this specific schematic: Bearing B,main (black), Bearing A,main, Bearing C,main, Oil Seal 30x45x8.
This Crankshaft is the most expensive of the items that make up this Crankshaft assembly.
The most reasonably priced component used on the Cb450sc Nighthawk 1985 (f) Usa California Crankshaft is the Roller 6x13.