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An axlebox, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock.
Conestoga wagon toolbox painting, held at the National Gallery of Art. Note the heart motif at the toolbox's lid. Conestoga wagon production depended largely on the labors of blacksmiths and similar occupations since the colonial era of the United States, coinciding with increased land colonization and the rise of the American iron industry ...
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]
The Conestoga wagon was a heavy American wagon of English and German type from the late 18th century and into the 19th century. It was used for freight and drawn by teams of horses or oxen depending on load. The covered canvas top was supported on eight to twelve angled bows, rather than upright. Capacity was around 4 to 5 tons with no springs.
The Conestoga-type wagon is from pioneer days (an axle dates to the 1860s), but its canvas is too worn. Its wood boards have been replaced many times. Its wood boards have been replaced many times.
Cabriolet: A two-wheel carriage with a folding hood. Calash or Calèshe: see barouche: A four-wheeled, shallow vehicle with two double seats inside, arranged vis-à-vis so that the sitters on the front seat faced those on the back seat. Cape cart: A two-wheeled four-seater carriage drawn by two horses and formerly used in South Africa.
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An overheated wheel bearing. This comes from the era before the widespread use of roller bearings where the ends of an axle rested in solid copper bearings housed in a journal box filled with oil soaked cotton waste. An overheated axle led to a hot journal box that often ignited the oiled waste. The term is used to refer to a railway wheel ...