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).
Technical drawing of an intermediate and rear main bearing, bottom half.
| Identifier | ExFiles\Box 116\1\ scan0145 | |
| Date | 10th July 1936 | |
| PART NO. TYPE 53A. | 3. TYPE 54. | 3. PART No. O1058 STANDARD PART No. O1059 U1 UNDERSIZE INTERMEDIATE & REAR, MAIN BEARING. (BOTTOM HALF). MATL C.P.S. 10. BRINELL 95-105. SELECT CRANKSHAFT TO GIVE .0015. TO .002. CLEARANCE. 1.975.+I.FOR U1. UNDERSIZE. 2.000.+I.DIA. STANDARD. 2.5033.-I.DIA. 45° SUPPLIERS TO LEAVE .010" IN BORE FOR MACHINING IN POSITION. Ⓐ MATERIAL SIZE .125.R. 52002 1.56 +8 DIA. 2 HOLES. .718+4. .718+4. OIL GROOVE. .125. WIDE. X .03. DEEP +16. +2. .062". WHITEMETAL. PRESSURE CAST. S.C.S. .375.+I.DIA. 1.4375.-8. GROOVE. .187. WIDE. X .062. DEEP. +16. +8. ALTERATION LETTERS | ALTERATION NUMBERS A | 10/7/36 | 7186 THE ROVER CO. LTD. COVENTRY. CHECKED | F.D | 27.12.35 DATE PART No. O1058 | ||