A crankshaft is provided. The crankshaft includes an unsupported axially-aligned shaft section interposing an outer main bearing journal and an inner main bearing journal, the unsupported axially-aligned shaft section having a central axis aligned with a rotational axis of the crankshaft, and a pendulum absorber coupled to the unsupported axially-aligned shaft section, the pendulum absorber including a blade extending from the unsupported axially-aligned shaft section and a pendulous counterweight coupled to the blade.