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).
Specification sheet for standard 10-spline shaft and hub dimensions.
| Identifier | ExFiles\Box 129\3\ scan0038 | |
| Date | 10th January 1936 | |
| BORG AND BECK CO. LTD. LEAMINGTON SPA. ENGLAND. SALES DEPARTMENT All Dimensions ± .005 Unless Otherwise Stated. All Corners Free From Fraise 10 SPLINE SHAFT DIMENSIONS 10 SPLINE HUB DIMENSIONS TABLE OF DIMENSIONS SIZE | A | B | C | D | E | F --- | --- | --- | --- | --- | --- | --- 7/8" | .873" / .872" | .706" / .701" | .1345" / .1325" | .889" / .879" | .714" / .708" | .137" / .135" 1" | .997" / .996" | .807" / .802" | .1535" / .1515" | 1.014" / 1.004" | .815" / .809" | .156" / .154" 1-1/8" | 1.121" / 1.120" | .908" / .903" | .173" / .171" | 1.139" / 1.129" | .920" / .910" | .176" / .174" 1-1/4" | 1.247" / 1.246" | 1.010" / 1.005" | .192" / .190" | 1.264" / 1.254" | 1.022" / 1.012" | .195" / .193" 1-3/8" | 1.370" / 1.369" | 1.113" / 1.111" | .2125" / .2110" | 1.389" / 1.379" | 1.123" / 1.113" | .215" / .213" 1-1/2" | 1.497" / 1.496" | 1.204" / 1.202" | .231" / .229" | 1.514" / 1.504" | 1.224" / 1.214" | .234" / .232" 1-5/8" | 1.624" / 1.623" | 1.315" / 1.313" | .251" / .250" | 1.639" / 1.629" | 1.325" / 1.315" | .254" / .252" 1-3/4" | 1.747" / 1.746" | 1.403" / 1.397" | .270" / .268" | 1.760" / 1.754" | 1.423" / 1.417" | .273" / .271" 2" | 1.997" / 1.996" | 1.735" / 1.729" | .308" / .306" | 2.010" / 2.004" | 1.755" / 1.749" | .311" / .309" B&B USA 2" | 1.997" / 1.996" | 1.747" / 1.746" | .308" / .306" | 2.010" / 2.004" | 1.749" / 1.749" | .311" / .309" B&B Co. Eng. 2" | 1.996" / 1.996" | 1.617" / 1.612" | .308" / .306" | 2.014" / 2.004" | 1.626" / 1.618" | .311" / .309" Work to Dimensions. Do Not Scale. This Print supersedes any issued previous to latest alteration date. It is Our Property and must be returned upon request. This Part must not be sold to any other concern. F = Good Finish O = Rough G = Ground ⊕ = Machine All Over DRAWN TRACED CHECKED PASSED DATE ISSUED: 10 JAN 1936 NAME OF PART: STANDARD B. & B. SPLINE SIZES MATERIAL: PECIFICATION ALTERATION | No. | DATE ALTERATIONS READ UP PART No. SK.30120/4 No. OFF PER SET: 1 | ||