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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).
Hoffmann type needle roller bearing for the Wraith Front Pivots.

Identifier  ExFiles\Box 9\7\  07-page121
Date  19th January 1938
  
BH/MS
c.c. DAYTON.
c.c. Rm.{William Robotham - Chief Engineer}
650
DA.{Bernard Day - Chassis Design}2/G.19.1.38.
F.J. HARDY.
What about-
Bill Rm{William Robotham - Chief Engineer}
WRAITH FRONT PIVOTS.
Herewith is FD.{Frank Dodd - Bodies}97, Needle Roller applied to the bottom journal bearing of the Wraith Front Pivot.
A Hoffmann type needle roller bearing is shewn and the dimensions of the roller races are those of a Hoffmann standard, but the outside of the outer race is special.
Arrangements may be made with Hoffmanns as to its manufacture. This is required for the 10,000 miles car.
DA.{Bernard Day - Chassis Design}
  
  


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