Do you know the main uses and application areas of ceramic wheel bearings?

Advantages of ceramic wheel bearings:
1. Since ceramics are almost not afraid of corrosion, ceramic rolling bearings are suitable for operation under harsh conditions full of corrosive media.
2. Since the density of the ceramic rolling ball is lower than that of steel, and the weight is much lighter, the centrifugal effect of the outer ring during rotation can be reduced by 40%, and the service life is greatly extended.
3. Ceramics are less affected by thermal expansion and contraction than steel, so when the bearing gap is constant, the bearing can be allowed to work in an environment where the temperature difference changes drastically.
4. Since the elastic modulus of ceramic is higher than that of steel, it is not easy to deform when subjected to force, so it is beneficial to increase the working speed and achieve higher accuracy.

Main uses of ceramic wheel bearings:
1. Ceramic bearings have the characteristics of high temperature resistance, cold resistance, wear resistance, corrosion resistance, anti-magnetic and electrical insulation, oil-free self-lubricating, and high speed. It can be used in extremely harsh environments and special working conditions. It can be widely used in aviation, aerospace, navigation, petroleum, chemical, automotive, electronic equipment, metallurgy, electric power, textiles, pumps, medical equipment, scientific research, national defense and military fields. High-tech products for the application of new materials.
2. The ferrules and rolling elements of ceramic wheel bearings are made of all ceramic materials, including zirconia (ZrO2), silicon nitride (Si3N4), and silicon carbide (Sic). The retainer is made of PTFE, nylon 66, polyetherimide, zirconia, silicon nitride, stainless steel or special aviation aluminum, thereby expanding the application range of ceramic bearings.

Application areas of ceramic wheel bearings:
1. Medical equipment, cryogenic engineering, optical instruments, high-speed machine tools, high-speed motors, printing machinery, food processing machinery.
2. In the fields of aerospace, navigation, nuclear industry, petroleum, chemical industry, light textile industry, machinery, metallurgy, electric power, food, locomotives, subways, high-speed machine tools, scientific research and national defense military technology, it is necessary to be in high temperature, high speed, deep cold, easy When working under special working conditions such as flammability, explosiveness, strong corrosion, vacuum, electrical insulation, non-magnetic, dry friction, etc., the indispensable substitute role of ceramic bearings is gradually being recognized.

3. With the continuous progress of processing technology and the increasing level of craftsmanship, the cost of ceramic bearings has been declining. From the past, it has only been applied in a small range of high, precise and cutting-edge fields, and has been gradually extended to various industrial fields of the national economy. The market price is gradually approaching practicality, reaching a level acceptable to users, and the wave of large-scale application of ceramic bearings has surged!

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