Table of Contents
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| Assortment of Bearings |
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What are Bearings?
A machine element that constrains relative motion to only the desired motion
Reduces friction between moving parts
Provides free linear movement of the moving part or for free rotation around a fixed axis; or, it may prevent a motion by controlling the vectors of normal forces that bear on the moving parts
Experience loads in two basic directions
| Exploded View of Bearing |
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Characteristics of Bearings
General Bearing Terminology
Inner and Outer Race
- Made From high-purity chrome allow
- The rings have either a groove or track that allows the a ball bearing or a roller bearing to sit in
Retainer/Cage
Guides the rolling elements and keeps them spaced out
Typically made from steel
Rolling Elements
Can be either balls bearings or roller bearings
Radial/ Axial Forces
- Radial forces are applied along the radius of the bearing or perpendicular to the shaft
Axial forces are applied along the axle through the bearing
| Types of Rolling Elements | Radial and Axial Force Diagram |
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Bearing Use Cases
Some uses for bearing are shown in the picture belowbearings are:
- Fidget SpinnerSpinners
- Conveyor SystemSystems
- Car Engine Engines
- Drill Motor Motors
| Bearing Use Cases |
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References
This page is content pulled directly from MTE100, contact the course instructor for details.
Contributors:
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