DNV GL tackles stern tube failures

Class society DNV GL has revised class rules for single shaft bearing installations and introduced two shaft alignment notations in the wake of a reported upsurge in stern tube bearing failures.

New rules and notations are a response to an increase in stern tube bearing failures

Class society DNV GL has revised class rules for single shaft bearing installations and introduced two shaft alignment notations in the wake of a reported upsurge in stern tube bearing failures.

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