When selecting a bearing, temperature plays a crucial role. Whether caused by friction, electrical currents, electromagnetic induction, or harsh environmental conditions, bearings frequently operate in high-temperature settings. In this brief guide, we aim to help you grasp the key considerations necessary for ensuring your bearing performs effectively under such conditions.
Bearings are highly precise mechanisms, and their proper functioning depends on all components—races, rolling elements, and cages—remaining within strict engineering specifications. For instance, if the outer race expands excessively, it could lead to excessive wear, lubricant leakage, or other malfunctions.
Another example involves the rolling elements. Should they deform, the bearing would no longer function smoothly and might seize entirely, leading to catastrophic failure. Such issues can arise in high-temperature environments where expansion becomes significant.
Bearings have a predetermined lifespan, as over time, steel components expand, distort, or wear out, affecting the bearing's tolerances and clearances. While these changes usually occur gradually, extreme temperatures can significantly hasten this aging process.
At Emerson Bearing, we ensure all our bearings maintain dimensional stability within specific temperature ranges. This guarantees that as long as the bearing operates below its maximum allowable temperature, its critical dimensions will stay within acceptable limits throughout its operational life.
In essence, your bearing will meet your design requirements. However, exceeding the recommended temperature range will likely reduce both its lifespan and performance, depending on the load and environmental factors.
Below is a table categorizing our dimensionally stabilized bearings based on their maximum operating temperatures:
Regardless of your application, Emerson Bearing is ready to assist. With years of experience supplying high-quality bearings across various industries, our technical team is available to help you select the ideal bearing for your needs. If you're unsure whether your bearing can handle the heat, reach out to us today or explore our Catalog and Technical Toolbox pages. These resources provide valuable insights to streamline your decision-making process.
High temperatures pose unique challenges for bearings, but with the right tools and expertise, you can ensure optimal performance and longevity. Let us help you navigate these complexities and find the perfect solution for your application.
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