Emerson Bearing Blog

3 Design Considerations for Food-Grade Bearings

Posted on February 14, 2020

Bearings are used extensively in the food and beverage industry as components in a variety of food processing and packaging machinery. Food-grade bearings must endure extreme conditions in many applications, so the life and performance of bearings used in these applications are influenced largely by the decisions of designers and engineers. Design considerations that may impact a bearing’s durability in food-grade applications include material, lubrication type, and shielding options. 

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4 Types of Bearings Used in Machine Tool Spindles

Posted on February 7, 2020

In the machine tool industry, spindles are a critical component used to shape materials through the use of high-speed rotation and pressure. As modern machinery advances, machining equipment is required to be faster, more precise, and more durable than ever before. Bearings are crucial parts that direct and enhance spindle movement. The use of high quality bearings, improves the efficiency and reliability of machine tool spindles, thereby increasing production and reducing wear and tear on machinery.

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Top 3 Reasons to Use Plastic Bearings

Posted on December 13, 2019

While metal bearings/bushings are common on the market today, there are certain applications that benefit from plastic bearings/bushings. These versatile components can take any number of forms and range considerably in style to work for the proper application.

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How Emerson Bearing Serves Craft Brewers

Posted on November 15, 2019

Making beer is no small feat. It is both an art and a science that requires precise measurements
and the right equipment to create and re-create beers that consumers will love. What was once a
task reserved for giant alcoholic beverage manufacturers has become a labor of love for many
small brewers who created a craft beer movement across the country. Today's independent
brewers rely on a variety of other industries to get high-quality ingredients, machines, bottles, and more.

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Proper Use of Oil Seals

Posted on October 4, 2019

Oil seals, also known as grease or dirt seals, are an essential component of many machines and pieces of industrial equipment. An oil seal is designed to retain grease in a case or housing and close the gaps between stationary and moving components in pieces of machinery.

An example of this in the automotive industry is the seals within gear boots that enclose a car’s CV axles. Of course, there are many different applications across industries in which oil seals prevent the escape of vital lubricants and ensure the continued smooth operation of the machine in question.

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How to Prevent Electrical Bearing Damage

Posted on August 13, 2019

Exposing a bearing to an electric current can cause electrical bearing damage. The damage manifests as pits and grooves on the bearings' surface create an uneven surface texture causing additional noise, vibration, and (eventually) complete failure. These outcomes can be costly, often leading to unnecessary downtime and expensive repairs or upgrades.

Although not all bearings are damaged by an electrical current and not all circuits cause bearing damage, there are two situations in which the problem typically occurs: when equipment is grounded incorrectly or when bearings are used in AC/DC motors with variable frequency drives (VFDs).

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Shaft Grounding Devices: An Economical Solution

Posted on July 15, 2019

Motor shaft voltages have the potential to damage the components around them. If a shaft’s voltage exceeds the insulation capabilities of nearby cables or parts, it can cause both long-term and acute damage to motor bearings.

Some high voltages can even lead to arcing between the shaft and the bearing. When this occurs, the arcing rapidly elevates the temperature of the bearing. Metal can vaporize and become permanently damaged and pitted from this process. 

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Principles of Lubrication

Posted on June 25, 2019

To perform at optimal levels, bearings require sufficient lubrication. When properly applied, lubricants can reduce friction, which reduces the amount of wear and tear experienced by the bearing part. Additionally, some types of lubricants can provide recirculation which serves as a cooling method, while other types can help to disperse heat buildup to improve system performance.

All of these characteristics help prevent damage to the bearing, as well as prolong its overall service life.

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How Friction, Temperature, and Lubrication are Related

Posted on April 5, 2019

When selecting bearings for your next project, there are three key factors to consider, which are also a function of the load being carried and the limiting or speed required. The friction, temperature, and lubrication involved in a system and its environment directly impact bearings, so it’s critical to select a bearing that has the proper tolerances for your application.

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When to Use Specialty Steels

Posted on December 3, 2018

Specialty steels – also referred to as alloy steel – contain additional alloyed materials that deliver special properties to the final product. Specialty steels are engineered to provide superior performance under specific conditions. For bearings such as roller bearings and ball bearings, specialty steels would be selected versus other bearing materials to deliver properties that can best withstand the operating conditions the bearings will be exposed to.

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