"What does matter is that the main shaft bearing's damaged and the lubricating line fractured."

We still haven't finished the gearing for the shaft, and Yarrl's had troubles with the shaft bearings.

At 09.36z it was discovered that one of the crank shaft bearings was overheating with mechanical noise emerging from several of the cylinders.

Afterward, he said, "I've nearly finished the bushings and shaft bearings.

Justen's lips twisted at the thought, considering that he had used marine shaft bearings designed for far greater weight and stress.

We have to check the shaft bearings, too.

'Six knots, sir - maneuvering says the shaft bearings are pretty bad, sir.'

The cost of boring out the outer shafts and problems of mounting the inner shaft bearings are not worth pursuing in case of normal ships.

The unit operated for about 1000 hours between startup and February 1943, when a shaft bearing failed.