Which of the following types of bearings are used as line shaft bearings?

Official USCG Answer & Rule Citation

Correct Answer: Option D — Ring-oiled, Babbitt-faced, spherical seat, shell

Intermediate line shaft bearings traditionally utilize ring-oiled, Babbitt-faced, spherical-seated shells. The spherical seat accommodates minor hull deflection and shaft misalignment, while oil rings continuously deliver lubricant from the reservoir to the journal surface.

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