Definitions
from The Century Dictionary.
- noun In machinery, a bearing which carries a vertical shaft, the bearing in which the weight of a vertical shaft is supported.
Etymologies
Sorry, no etymologies found.
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Examples
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These factors are so dependent upon each other and upon the conditions of the step-bearing itself that they are sometimes difficult to realize in every-day work; nor is it necessary.
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This causes grooves and ridges on the faces of the step-bearing blocks, due to their grinding on each other, which obstruct the flow of water between the faces and thus raises the pressure.
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If the machine turns freely with a lower pressure than that prescribed by the engineers, there is no reason for raising this pressure; and there is only one way of doing it without reducing the area of the step-bearing, and that is by obstructing the flow of water in the step-bearing itself.
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If the water supply should fail from any cause and the step-bearing blocks rub together, no great amount of damage will result.
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Entering through the sides of the masonry they do not block the passage, which must be as free as possible when any work is to be done on the step-bearing, or lower guide-bearing.
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It supports the lower half of the step-bearing, which in turn supports the entire revolving part of the machine.
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It is true that with one machine operating on its own pump it is possible to run without the baffler, and it is also possible that in some particular case two machines having identical step-bearing pressures might be so operated.
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All that the manufacturers 'drawing is intended to do is to show the customer where it will be necessary for him to locate his foundation bolts and opening for access to the step-bearing.
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The water which goes to the step-bearing passes through a baffler, the latest type of which is shown by Fig. 23.
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The baffler, however, serves a very important function, as described more fully as follows: It tends to steady the flow from the pump, to maintain a constant oil film as the pressure varies with the load, and when several machines are operating on the same step-bearing system it is the only means which fixes the flow to the different machines and prevents one machine from robbing the others.
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