A Crankshaft bearing assembly for supporting a crankshaft for rotation
about a crankshaft axis within an engine having an aluminum engine block,
the crankshaft bearing assembly including at least one crankshaft bearing
divided into a first half and a second half, the first half being
integral with the engine block, and the second half being a bearing cap
connectable to the engine block. The bearing cap is made of an aluminum
alloy having a tensile strength higher than the tensile strength of the
engine block.