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The rings and rolling elements of zirconia full ceramic bearings are made of zirconia (ZrO2) ceramic materials, and the retainers are made of polytetrafluoroethylene (PTFE), nylon 66, polyetherimide, zirconia, silicon nitride, stainless steel or special Made of aviation aluminum. Zirconia full ceramic bearings are non-magnetic, electrically insulating, wear-resistant, resistant to strong acid and alkali corrosion, oil-free self-lubricating, and resistant to high temperatures and colds. They can be used in extremely harsh environments and special working conditions that steel bearings cannot adapt to, and are matched with stainless steel. With the cage or full ball, it can be used in high temperature environments above 450°C, and with PTFE or PEEK cages, it can be used in temperatures above 250°C.
Zirconia full ceramic bearing product features:
1. High speed: It has the advantages of cold resistance, low stress elasticity, high pressure resistance, poor thermal conductivity, light weight, and small friction coefficient. It can be used in high-speed spindles and other high-precision equipment with a speed of 12,000 rpm to 75,000 rpm. middle;
2. High temperature resistance: There will be no expansion caused by temperature difference between the use temperature of 100℃-600℃. Can be used in furnaces, plastic making, steel making and other high temperature equipment;
3. Corrosion resistance: The material itself has corrosion resistance and can be used in fields such as strong acid, strong alkali, inorganic, organic salt, seawater, etc., such as: electroplating equipment, electronic equipment, chemical machinery, shipbuilding, medical equipment, etc.
4. Anti-magnetic: Because it is non-magnetic and does not absorb dust, it can reduce premature peeling of bearings and loud noise. Can be used in demagnetization equipment. Precision instruments and other fields.
5. Electrical insulation: Due to its high resistance, it can avoid arc damage to the bearings and can be used in various power equipment requiring insulation.
6. Vacuum: Due to the unique oil-free self-lubricating properties of ceramic materials, in ultra-high vacuum environments, zirconia all-ceramic bearings can overcome the problem that ordinary bearings cannot achieve lubrication.
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Product Details
The rings and rolling elements of silicon nitride full ceramic bearings are made of silicon nitride (Si3N4) ceramic material, and the retainers are made of polytetrafluoroethylene, nylon 66, polyetherimide, zirconia, silicon nitride, stainless steel or special aviation Made of aluminum, silicon nitride full ceramic bearings have all the characteristics of zirconia ceramic bearings, and are also light weight, high hardness, more wear-resistant, more resistant to high temperatures, etc., and can be used for higher speeds and load capacities, and stronger acid and alkali chemical corrosion , as well as more severe environments and special working conditions, when combined with a full ball, it can be used in high temperature environments above 800°C. With a stainless steel cage, it can be used in temperatures above 450°C. When paired with a PTFE or PEEK cage, it can be used in temperatures above 250°C.
Silicon nitride full ceramic bearing product features:
1. High speed: It has the advantages of cold resistance, low stress elasticity, high pressure resistance, poor thermal conductivity, light weight, and small friction coefficient. It can be used in high-speed spindles and other high-precision equipment with a speed of 12,000 rpm to 75,000 rpm. middle;
2. High temperature resistance: The material itself has a high temperature resistance of 1200°C and is self-lubricating. It will not expand due to temperature difference when the operating temperature is between 100°C and 800°C. Can be used in furnaces, plastic making, steel making and other high temperature equipment;
3. Corrosion resistance: The material itself has corrosion resistance and can be used in fields such as strong acid, strong alkali, inorganic, organic salt, seawater, etc., such as: electroplating equipment, electronic equipment, chemical machinery, shipbuilding, medical equipment, etc.
4. Anti-magnetic: Because it is non-magnetic and does not absorb dust, it can reduce premature peeling of bearings and loud noise. Can be used in demagnetization equipment. Precision instruments and other fields.
5. Electrical insulation: Due to its high resistance, it can avoid arc damage to the bearings and can be used in various power equipment requiring insulation.
6. Vacuum: Due to the unique oil-free self-lubricating properties of ceramic materials, in ultra-high vacuum environments, silicon nitride all-ceramic bearings can overcome the problem that ordinary bearings cannot achieve lubrication.
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Advantages of composite ceramic bearings:
1. High temperature resistance and small thermal expansion coefficient of ceramic balls. In high temperature environments, the bearing balls will not expand due to temperature, which greatly increases the operating temperature of the entire bearing. The temperature of ordinary bearings is around 160 degrees, while ceramic balls can Reaching more than 220 degrees.
2. High rotation speed. Ceramic balls have oil-free self-lubricating properties. Ceramic balls have a small friction coefficient, so ceramic ball bearings have a high rotation speed. According to statistics, bearings using ceramic balls have a rotation speed more than 1.5 times that of ordinary bearings.
3. Long service life. Ceramic balls can be used without adding any grease, which means that even if the grease dries out, the bearing can still operate. This avoids premature bearing damage caused by the grease drying out in ordinary bearings. According to our tests and Some customers have reported that the service life of bearings using ceramic balls is 2-3 times that of ordinary bearings.
4. Insulation. Bearings using ceramic balls can insulate the inner and outer rings of the bearing. Because ceramic balls are insulators, the insulation effect can be achieved by using ceramic balls between the inner and outer rings of the bearing, so that the bearing can Used in conductive environment.
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