How to Choose for Correct Rolling Element Bearing CharacteristicsJune 11, 2020
The way rolling element bearing move and function has been utilised by different applications. However, one key detail to consider in using this bearing is that it has a wide variety of selection and characteristics. For starters, one may rely on the documentation and tools provided by the bearing manufacturer to make the rolling element bearing selection successful.
As mentioned, rolling element bearings differ in a lot of ways. Usually, rolling element bearings vary on the required bearing life rating in a certain application and the build size of the bearing. In addition to these properties, some defining characteristics of rolling element bearings are clearance, cage type, and lubrication. To help you out, here are some things that you should consider in choosing the correct rolling element bearing characteristics for you.
The end positions on which the rings of a rolling element bearing may be moved against each other hugely pertain to the nominal bearing clearance of a rolling element bearing. The radial clearance of most radial rolling element bearings is typically provided in publications. Axial clearance, on the other hand, is given for paired or double row angular contact bearings and taper roller bearings.
Choosing the appropriate rolling element bearing clearance is important in determining the amount of clearance needed in an operation, which is known as operating clearance. The operating clearance of a rolling element bearing is already correct as soon as its shaft and housing fit the specific application, without discounting the thermal expansion coefficient and temperature difference during operations.
Cage Type of the Bearing
Different bearing manufacturers follow a standard cage type for their offerings. They do this to make them suitable for numerous standard applications in various industries. However, if you want to be more specific in checking their cage type, you may want to coordinate with the manufacturer and confirm some of the characteristics of the bearing cage type.
Some of the characteristics that you may want to check for the bearing cage type is its operating temperature, weight, loads, and lubrication. Most bearings have operating temperature limits that must be considered for compatibility purposes. The weight and even the size of the bearings can also affect a specific operation since they can decelerate or block the movement of the rolling elements, which can ultimately lead to damages. Additionally, the amount of grease that is present on applications can only utilise specific bearing cage types.
Effects of Lubrication
Lubrication is one of the most important aspect in rolling element bearings that can either make them work or not. It usually helps in minimising friction and metallic contact of the bearings to other materials under realistic operations. Some important factors in selecting the correct lubricant for your bearing applications involve its suitability and its service life.
While lubricants help in various ways, they can also cause problems in your applications. You see, they also age over time due to continuous operations. Their service life can also end faster than your rolling element bearing. One factor that can affect the service life of the lubricant is the operating temperature. Some of them can tolerate and withstand extreme temperatures, while others do not. In applying lubricant to the rolling element bearings, you may want to refer to the manufacturer’s advice and guidelines. Considering these characteristics can certainly help you choose the correct rolling elements bearings for your specific applications. If you need help in choosing the best bearing for you, then just contact us at Global Bearing Imports.
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