From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
To Mr Royce discussing potential causes of failures in ball bearings.
| Identifier | ExFiles\Box 20\7\ Scan001 | |
| Date | 1st June 1911 | |
| X527 1st June 1911 TBB1/D1611 Mr Royce. Ball Bearings. I have discussed this matter with Mr Nadin and he tells me that most of the failures have been with the pressed brass cages (pieces of the cage falling out into the gears); a few failures have been with the bronze cages but not apparently the fault of the cages, but owing to water getting in, or, possibly, owing to acid in the lubricant. I have searched the correspondence relating to ball bearings and cannot find any reports which blame anything but 1. pressed brass cages. 2. water entering bearings. 3. acid in lubricant. Mr Nadin considers that the gear box bearing failures may sometimes be caused by chips or minute flakes of metal coming from the gears and thus starting a bad place in the race or breaking a ball. It appears to me that both the pressed brass | ||