CRANKSHAFT BEARING 31-855553

The 31-855553 crankshaft bearing is a critical component in the mechanical structure of the marine engine, responsible for supporting the radial and axial loads generated by the crankshaft during the combustion cycle. This bearing guarantees the alignment and smooth rotation of the crankshaft, essential for the efficient and long-lasting operation of the propeller.

Manufactured in accordance with Mercury Marine technical specifications, this spare part ensures direct compatibility with the propulsion systems of boats equipped with engines of this brand. Its installation requires mechanical precision to maintain the axial and radial clearance tolerances specified by the manufacturer.

Engine Compatibility

Mercury/MerCruiser

Equivalent manufacturer part numbers