Free shipping 3mm 3.175mm 7/64" 1/8" 3.5mm 3.969mm 2.778mm Ceramic Bearing Balls ZrO2 Zirconia Zirconium oxide Ball mm G10
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1. Characteristics of zirconia materials: ZrO2 has excellent heat resistance, insulation and corrosion resistance. The density of zirconia ceramics is between 5.95 and 6.05 g/cm3. Among the four ceramic spherical materials (Si3N4, SiC, Al2O3, ZrO2), the toughness of zirconia is the highest, 8MPa·m1/2 or more, and the thermal expansion coefficient is 10.5×. 10-6/°C, close to the thermal expansion coefficient of metal, and the metal is well matched, but the dimensional stability varies greatly with temperature. The rolling fatigue contact failure form is destructive fragmentation, which is not as good as silicon nitride material in some key occasions. stable. Zirconia ceramics have self-lubricating properties, can solve the pollution caused by lubricating medium and add inconvenience; good corrosion resistance, can also be used in medium acid, medium alkali, seawater and other medium; high temperature resistant, zirconia ceramics at 600 ° C, strength , the hardness is almost unchanged; non-magnetic, insulating, magnetic field can also be used, not conductive. 2. Field of application: Semiconductors, LCD manufacturing equipment, electroplating equipment, synthetic fiber manufacturing equipment, optical film equipment, various heat treatment furnaces, vacuum equipment, etc.; can also be applied to composite bearings, cold processing tools, various guide wheels, various valves, vacuum equipment and In a variety of harsh environments.
Bicycle riders Ximano mt15 front and rear wheel set ball diameter is 4.763mm (20-22 tablets) 6.35mm (18-20 tablets) The diameter of the ball for the front of the Shimano shimano M525 is: 4.763mm for a total of 22 capsules. The diameter of the hub for the hub is: 6.35mm for a total of 18 capsules. Merida Rambo: front wheel 4.763mm 24 rear wheels 6.35mm 20 Challenge 600 M475 hub front wheel 4.763mm 20 capsules Rear wheel 6.35mm 18 capsules
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