Bearings
What is a bearing?
A bearing is defined as a rotating element that reduces friction between a shaft and the connected parts in a system, providing support and facilitating its operation. In other words, bearings are responsible for transferring motion and transmitting force.
Typically, bearing manufacturing involves special techniques aimed at achieving perfect sphericity of the ball. To achieve this, the material undergoes abrasive heat treatment in chambers of absolute vacuum.
Because they are important? / Importance of bearings
Bearings fulfill an important and main function for industrial machinery since they are responsible for reducing friction between the shaft and the parts, thereby reducing noise, wear and energy consumption.
It is inevitable that friction will occur and for this reason bearings are used, reducing the amount of energy used.
Another function that bearings perform is to prevent the force between the rotating axis and the part that supports rotation from damaging said part, as well as to maintain the correct position of the axis. In this way, the life of the machine is extended since it is possible to use it again and again, and the manufacturing process improves by reducing costs.
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Types of bearings
Ball bearings
They use balls as the main rolling element. Their main feature is the contact points between the balls and the raceways. They are perfect for high-speed operation without bearing high loads.
Roller bearings
This type of bearing stands out for its ability to withstand higher load capacity. On the other hand, the speed tolerance is lower than in ball bearings due to the greater friction in the line of contact.
Needle roller bearings
Considered as another type of roller bearing, needle bearings consist of thin and long rolling elements called needle rollers. They are characterized by their high load capacity and are suitable only for radial forces. When space is limited, this type of bearing is the best option.
Spindle bearings
Spindle bearings are well-suited for applications that demand maximum precision in guidance and high-speed rotation. They are mainly used to support the working spindles in machines.
Automotive Bearings
Automotive bearings are designed to withstand increasingly higher load conditions without increasing size or weight. They are characterized by low friction and wear resistance, resulting in a longer service life.
Plain Bearings
Plain bearings are used to reduce friction between two directly contacting surfaces that slide against each other. Plain bearings do not rely on balls for rotation and have highly sliding surfaces that are aided by a lubricating film to facilitate sliding.
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