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).
Table of steering cam and roller combinations for the 20/25 HP model.
| Identifier | ExFiles\Box 106\3\ scan0324 | |
| Date | 7th September 1935 guessed | |
| x5530 20/25 HP. STEERING CAM AND ROLLER COMBINATIONS. | Cam | Cam Bearing | Roller | Roller Bearing | |---|---|---|---| | M.{Mr Moon / Mr Moore} 21115 R.H. .800 Lead | Adamant PA.{Mr Paterson} 2262. P. 2104. | F.{Mr Friese} 87552 M.{Mr Moon / Mr Moore} 21116 | Adamant F.{Mr Friese} 87752 M.{Mr Moon / Mr Moore} 21422 A & B | | M.{Mr Moon / Mr Moore} 21115 R.H. .800 Lead | Adamant PA.{Mr Paterson} 2262. P. 2104 | F.{Mr Friese} 87756 | Timken A.{Mr Adams} 4059 A.{Mr Adams} 4138 | | F.{Mr Friese} 60994 R.H. .800 Lead | Timken 31.C. | F.{Mr Friese} 87756 | Timken A.{Mr Adams} 4059 A.{Mr Adams} 4138 | | F.{Mr Friese} 60994 R.H. .800 Lead | Timken 31.C. | F.{Mr Friese} 87552 M.{Mr Moon / Mr Moore} 21116 | Adamant F.{Mr Friese} 87752 M.{Mr Moon / Mr Moore} 21422 A & B | | F.{Mr Friese} 60995 R.H. .700 Lead | Timken 31.C. | F.{Mr Friese} 87900 | Timken A.{Mr Adams} 4059 A.{Mr Adams} 4138 | | F.{Mr Friese} 60995 R.H. .700 Lead | Timken 31.C. | F.{Mr Friese} 87682 M.{Mr Moon / Mr Moore} 21504 | Ball Brgs. F.{Mr Friese} 87683/9 R.R. | | ||