babbit tolerance? .000?

[Railcarmover]

Originally Posted by Jim Brierley

Railcarmover, I'm not sure the rear bearing would run dry, just don't want to chance it. On my insert engine I run a 1-piece Burtz seal, and it stays dry. I also run a babbitted mains engine on the salt using a rope seal, and it drips a little but not much. Ran 167 mph on babbitt in 2013, no problems with the engine, just turbo failure, so no record.

Just wondering about the failure rate with inserts and the rear main,seems starvation would be the cause,compounded by the inserts properties.

peening is done to relieve stress? imagine a properly peened bearing is less prone to crack..