Polymer bearings, commonly known as plastic bearings, are the
latest development in the bearings industry. A bearing is made up of four
different parts: inner race, outer race, cage, and balls. The combination of
these parts in unison allows smooth and friction free motion. In polymer
bearings, the inner race, the outer race, and the cage are all made up of
plastic and the material used for manufacturing balls depends on the kind of
applications and environmental conditions it gets subjected to. Materials that
can be used to manufacture balls include plastic, stainless steel, and glass.
Polymer bearings provide numerous advantages over other bearings. This includes
resistance to corrosion, chemicals, and fatigue, self-lubrication, lightweight,
low co-efficient of friction, and quiet operation. Polymer bearings is an ideal
option in applications where steel bearings cannot be used, owing to their
corrosive tendencies. Furthermore, they are economical than the other types of
bearings. Therefore, these are used in various applications in industries such
as food & beverages, textile, medical & pharmaceutical, and electrical.
However, polymer ball bearings cannot be subjected to applications involving
high loads and prolonged exposure to temperatures exceeding 300°F. This calls
for need to use traditional bearings such as stainless steel bearings and
ceramic bearings. Ceramic bearings offer numerous advantages. They overcome
most limitations generally encountered in the other two bearings, and can be
subjected to high temperatures up to 1800°F and high loads. Despite these
advantages, ceramic bearings are used less, as they are expensive. Thus,
polymer bearings are widely being used, as they are economical and offer large
number of advantages. The market for polymer bearings is expected to expand at
a steady pace owing to the increasing usage of these bearings in a large number
of industrial applications.
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Based on
the type of ball used in the bearings, the market for polymer bearings can be
segmented into plastic ball bearing, glass ball bearing, and stainless steel
ball bearing. The choice of the material to be used for balls highly depends on
the kind of conditions and applications the bearing is subjected to. Plastic
balls are generally used when there is a need of light weight, noise free
operation. Glass balls are employed when a comparatively lighter option is
required in a metal free application. Glass balls also exhibit less magnetic
properties.
Based on
end-use industry, the polymer
bearings market can be segmented into chemical industry, food &
beverages industry, textile industry, and medical & pharmaceutical
industry. The usage of polymer bearings is increasing across these industrial
segments. The chemical industry segment of the polymer bearings market is
anticipated to expand at a steady pace due to the growth in the chemical
industry. The chemical industry is witnessing considerable growth due to
growing market of pharmaceutical products and consumer goods.
Geographically,
the market for polymer bearings can be divided into North America, Latin
America, Asia Pacific, Europe, and Middle East & Africa. The polymer
bearings market is likely to expand significantly in Asia Pacific owing to
factors such as rapid industrialization and economic, infrastructural
development in countries such as India, China, and Japan.
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Key
players operating in the polymer bearings market include Schaeffler Group, SKF,
Timken Company, RKB Bearing Industries, NSK, and JTEKT Corporation.
The polymer
bearings market is projected to expand at a steady pace in the near future due
to the increasing usage of these bearings in the industrial segment in
countries such as China and Japan in Asia Pacific. The region accounts for
major share of the polymer bearings market due to the increasing
industrialization and rapid economic & infrastructural development.
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