Everyone may have heard of bearings. As an important mechanical basic component, ceramic bearings stand out in the world of new materials due to their superior performance that metal bearings cannot match, such as high-temperature resistance and super strength. Over the past decade or so, it has been increasingly widely applied in various fields related to the national economy and people's livelihood. In fields such as aerospace, navigation, nuclear industry, petroleum, chemical engineering, light textile industry, machinery, metallurgy, power, food, locomotives, subways, high-speed machine tools, and scientific research, national defense and military technology, it is necessary to operate under special conditions such as high temperature, high speed, deep cold, flammability, explosiveness, strong corrosion, vacuum, electrical insulation, non-magnetism, and dry friction. The indispensable substitution role of ceramic bearings is gradually being recognized by people.

Ceramic balls have a small coefficient of thermal expansion. In high-temperature environments, they will not expand due to temperature changes, which significantly increases the overall operating temperature of the bearing. The temperature of ordinary bearings is around 160 degrees, while that of ceramic balls can reach over 220 degrees. The hydrocarbon reforming catalyst carriers have the property of self-lubrication without oil and have a low coefficient of friction, so they have very high rotational speeds. According to statistics, the rotational speed of bearings using ceramic balls is 1 of that of general bearings. More than five times the rotational speed. Ceramic balls can operate without any grease. That is to say, even if the grease dries up, the bearing can still function. This avoids the premature damage of the bearing caused by the drying up of grease in ordinary bearings.

According to our tests and feedback from some customers, the service life of bearings with ceramic balls is 2 to 3 times that of ordinary bearings. The last and most important point - insulation. Bearings with ceramic balls can insulate the inner and outer rings of the bearing. Since ceramic balls are insulators, using ceramic balls between the inner and outer rings of the bearing can achieve the insulation effect. This enables the bearing to be used in a conductive environment. Rolling bearings consist of rings, rolling elements, retainers, grease and seals. When the rolling elements are made of ceramic material, these rolling bearings are defined as hydrocarbon reforming catalyst carriers.

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