1. An insert for a hydrodynamic thrust bearing, comprising:
a ring-like body having a crankshaft contacting surface; and
at least one structural configuration on the crankshaft contacting surface, the structural configuration including a lubricant
receiving region, a first transitional region having a sloped ramp with a height increasing from the lubricant receiving region
to a flat region, and a second transitional region next to the flat region and having a sloped ramp with a height decreasing
from the flat region, sequentially arranged along the crankshaft contacting surface;
wherein the lubricant receiving region includes a groove configured to receive and direct lubricant when the hydrodynamic
thrust bearing is in operation.