Types of Bearings and Their Applications
Bearings are some of the most vital tribological components of several types of machinery. They exist in a number of shapes and forms. Right from a supermarket trolley to massive power plants, bearings are used in almost every piece of equipment that requires controlled movement.
Here are some of the most common types of bearings and their applications:
Ball Bearings
Ball bearings
consist of rolling spherical elements captured between circular inner and outer
races. They provide a means of support to rotating shafts and minimises
friction between shafts and stationary machine members. These are usually used
in equipment like bicycles, skateboards, and sewing machines.
Roller Bearings
Roller bearings are
mechanical assemblies consisting of cylindrical rolling elements that are generally
captured between the inner and outer races. Roller bearings are usually used in
equipment like gearbox, engine motors, and wind turbines.
Mounted Bearings
Mounted bearings
are an assembly of bearings within bolt-on or threaded mounting components.
They are mounted in applications where the shaft is perpendicular to the unit.
These are generally used to ease installation and provide further support for
the bearing. Thus, they are used for applications that are subject to heavy
vibration, shock loads, or heavy thrust loads.
Linear Bearings
Linear bearings
consist of a ball or roller elements and are used to provide linear movement
along the shafts. Usually, linear bearings are used in machinery that requires
linear and one-direction movement and support along the shafts.
Slide Bearings
Slide bearings
are designed to offer free motion in one dimension amongst structural elements.
These types of bearings are usually used in the structural support of bridges and
can even be used for commercial and industrial buildings.
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