Re: ADMIN: Freight Car Terminology


Tim O'Connor says:

"One reason is that friction bearings really do exist and are present on most
freight car trucks -- but they are NOT the same thing as journal bearings."

All fine and good but the issue regarding friction bearings WERE journal bearings. Johnson refers to the different "journal friction" produced by roller bearing journals compared to friction bearings in the journals.

Mike Brock

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