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).
Blueprint detailing the specifications for a special needle roller bearing.
| Identifier | ExFiles\Box 153\1\ scan0118 | |
| Date | 28th January 1937 | |
| 56 22 M/M .8661" To - .002" .156" To - .002" .015 To +.010" Chamfer at 45° To ± 2° .71" .010R. To - .005 1.4064" DIA. To +.0005" 1.537" DIA. To - .010" .05 To +.010 Chamfer at 45° To ± 2° 1 M/M R.{Sir Henry Royce} .039" To SUIT INNER TRACK DIA. .9720" To ± .0005" 34 - ROLLERS. 2.5 M/M.{Mr Moon / Mr Moore} DIA. X 15.8 M/M.{Mr Moon / Mr Moore} LONG. Brg. No. Desc. SPECIAL NEEDLE ROLLER BEARING. D.O. 12. The HOFFMANN M'F'g.{Mr Griffiths - Chief Accountant / Mr Gnapp} Co., Ltd. Dr'n. Bissy Passed M Tr{Capt. F. W. Turner - Finance}'c'd.{John DeLooze - Company Secretary} Ch'k'd.{John DeLooze - Company Secretary} M Date 28-1-37 Drg. No. 43-579F D.{John DeLooze - Company Secretary} R.{Sir Henry Royce} LTD | ||