Ceramic bearing

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Ceramic bearing

Source: China Bearing Network Time: 2013-12-06

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Zirconium oxide full ceramic bearing all ceramic bearing with anti-magnetic electrical insulation, wear and corrosion resistance, oil-free self-lubricating, high temperature resistance and high cold resistance; can be used in extremely harsh environments and unique working conditions. The ferrule and the rolling body are made of zirconia ( ZrO2) ceramic material; the adherent uses polytetrafluoroethylene (PTFE) as the standard equipment; usually also can use glass fiber reinforced nylon 66 (RPA66-25); special engineering plastics (PEEK; PI); stainless steel (AISISUS316); yellow Copper (Cu), etc.
Silicon nitride all-ceramic bearing silicon nitride all-ceramic bearing rings and rollovers are made of silicon nitride (Si3N4) ceramic materials; adherents are made of polytetrafluoroethylene (PTFE) as standard equipment; usually also can use RPA66-25; PEEK ;PI; and phenolic cloth bakelite tube, etc. SiN4 full ceramic bearing compared to ZrO2 data can be applied to higher speed and load capacity; and suitable for higher ambient temperature. Together can provide high speed, high precision and high rigidity spindle Fine ceramic bearings; the highest production accuracy is P4 to UP.
Full-filled ball all-ceramic bearing full-ball type all-ceramic bearing with a ball gap on one side; because of the choice of non-stick frame layout design; can load more ceramic balls than the standard layout of the bearing; then improve its load; other can also Prevent the restraint of the data by the frame; reach the ceramics to maintain the corrosion resistance and temperature resistance of the all-ceramic bearing. This series of bearings is not suitable for higher speed; the device should pay attention to the notch surface at the end that does not accept the axial load.
Ceramics adhere to the all-ceramic bearing ceramics. The frame has the advantages of wear resistance, high strength, corrosion resistance and self-lubrication. All ceramic bearings made of ceramic frame can be used for extremely strong corrosion, ultra high temperature and high vacuum. Harsh environment. Common ceramic materials are ZrO2, Si3N4 or SiC.
Hybrid ceramic ball bearing ceramic ball is unique in that silicon nitride ball has low density, high hardness, low friction coefficient; wear resistance, self-lubrication and good rigidity; uniquely suitable for high speed, high precision and long life hybrid ceramic ball bearing tumbling Body (the inner and outer rings are metal). Usually the inner and outer rings are made of bearing steel (GCr15) or stainless steel (AISI440C); ceramic balls can be selected with ZrO2; Si3N4; or SiC data.
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