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[2] [4] RCF is a major concern for railways worldwide and can take various forms depending on the location of the crack and its appearance. [2] It is also a significant cause of failure in components subjected to rolling or rolling/sliding contacts, such as rolling-contact bearings, gears, and cam/tappet arrangements. [5]
A roller bearing between the axle hub and axle shaft ensures easy rotation of the non-drive wheels. On the axle side, it is mounted to the holding bracket from the chassis; on the disc side, the wheel is mounted to the bolts of the WHA. When replacing, a wheel hub assembly should be torqued to the vehicle's specifications to prevent failure. [1]
front cover G1 1930. This is the Group G series List of the United States military vehicles by (Ordnance) supply catalog designation, – one of the alpha-numeric "standard nomenclature lists" (SNL) that were part of the overall list of the United States Army weapons by supply catalog designation, a supply catalog that was used by the United States Army Ordnance Department / Ordnance Corps as ...
Tapered roller bearings were a breakthrough at the end of the 19th century because bearings used in wheel axles had not changed much since ancient times. They consisted of a cylindrical seat on the frame and part of the axle enclosed in a case or box that held a lubricant.
Ben Hur trailer was the nickname of the World War II U.S. Army Trailer, 1-ton payload, 2-wheel, cargo, and the Trailer, 1-ton payload, 2-wheel, water tank, 250 gallon ( U.S. Army Ordnance Corps Supply catalogue designations G-518 and G-527 respectively).
In the former case, bearings or bushings are provided at the mounting points where the axle is supported. In the latter case, a bearing or bushing sits inside a central hole in the wheel to allow the wheel or gear to rotate around the axle. Sometimes, especially on bicycles, the latter type of axle is referred to as a spindle.
k 1 and α are factors that take into account other failure modes than the bearing pressure overload; k 1 take into account the effects that are perpendicular to the tangent force, and α the effects along the force; k 1 = min{2.8e 2 /d 0 ; 2.5} for end bolts, k 1 = min{1.4p 2 /d 0 ; 2.5} for inner bolts,
In the summer of 1900 the company received a breakthrough order of 120 bearings for the rear axles of 30 automobiles from the Olds Motor Works of Ransom E. Olds. The Olds Motor Works had plans to build over 1,000 vehicles in 1901, and would use Hyatt bearings if the test vehicles were successful. [10]