New Class Rules for Water Lubricated Propeller Shaft BearingsMarch 21, 2013
Lloyd’s Register has introduced NEW Classification rules (SCM notation) effective January 2013 regarding water lubricated propeller shaft bearings. If certain monitoring requirements are met, LR will give the ship owner the SCM (Screwshaft Condition Monitoring) notation allowing no shaft withdrawal for 18 years. This puts the use of water lubricated propeller shaft bearings for commercial ships in the same envelope as oil lubricated propeller shaft lines. It alsoremoves a major obstacle that ship ownershadwith water-based propeller shaft bearing systems. Good news for ship owners and the marine environment.
Craig Carter, Canada