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).
Agreement to standardize the improved rear axle pinion bearing for the Bentley 11.
| Identifier | ExFiles\Box 84\4\ scan0402 | |
| Date | 13th September 1938 | |
| Rm{William Robotham - Chief Engineer}/Cry. BY/Mtn. BY/OHL. [Struck through] ROY.{Sir Henry Royce} [Struck through] ROY{Sir Henry Royce}/Ms. [Struck through] ROY{Sir Henry Royce}/Des. [Struck through] BY.1/G.13.9.38. 202? BENTLEY 11. REAR AXLE PINION BEARING. Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}1/R.5.9.38. I am in agreement that we at once standardize the improved bearing for the above, modified in the following features :- (a). To be produced with a preload between of .002 and .003. (b). The cages must be arranged with ball slots oval in a circumferential direction, the amount of ovality to be between .025 and .030. We must add the bearing to our part lists at once, and the Order Office must get bearings of this type for the second hundred in 'M' series, and specified for all replacement work. BY.{R.W. Bailey - Chief Engineer} [Handwritten notes in bottom left corner]: Rm{William Robotham - Chief Engineer} Standardisation Sheet Sent to R.H.C Gry{Shadwell Grylls} [Handwritten note next to 'BY.{R.W. Bailey - Chief Engineer}']: has | ||