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Zys Bearing Accessories G5 G10 Si3n4 Silicon Nitride Ceramic Bearing Ball 7.938mm1
Bearing Accessories, Ball, Bearing Accessories
Luoyang Bearing Research Institute Co., Ltd.
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Product Description ZYS Bearing Accessories G5 G10 Si3n4 Silicon Nitride Ceramic Bearing Ball 7.938mmProduct DescriptionSi3N4 is a new kind of bearing material with several good features, it possesses high temperature resistance, corrosion resistance, insulation, non-magnetism, high strength, low density and other features. In the application of bearing, it possesses low friction, low temperature rise, high rigidity, low centrifugal force and other features. It can implement high speed, high precision, high temperature, high rigidity, corrosion resistance and other good features.The high precision and high performance silicon nitride bearing ball is manufactured by spray-drying process, near-net-shape, cold isotatic pressing, GPS-HIP combined sintering, compounded abrasive lapping process effectively. The precision grade of it is G5, the materials class is I.ZYS Si3N4 ceramic ball material grades ClassItemMaterials classIIIIIIPropertyBending strengthσ3.40(Mpa)900800600Crushing load ratio(%)353530Hardness(HV10)158014801380Fracture toughness(Mpa.m1/2)6.05.05.0The limit does of fiber structurePore size(μm)101025Porosity(%)0.020.060.06Crystal phase(μm)101025The second ceramic phase(μm)252525The maximum of inclusion of transverse section everySquare centimeterRange 200(μm)001Range 100~200(μm)012Range 50~100(μm)124Range 20~50(μm)4816Examples of Si3N4 ceramic ball's common applications G3G5G10 G16G20 G28 G40Class IHigh speed power equipmentSpace mechanismAircraft instrumentLiquid oxygen pumpActive shaft bearingThe key parts of aerospace equipment Class IIMolecular turbo-pumpHigh precision star bearingVacuum equipment, high speed instrument, mechanical devices, high performance and the most advanced contacting spherical propellerMotor, medium-low precision star bearingTesting bearing ball, separating bearing ballClass III Sport, entertainment, food processingMechanical devices Product ParametersZYS Si3N4 ceramic ball specificationsThe nominal diameter of bearing ballThe nominal diameter of bearing ballThe nominal diameter of bearing ballmminmminmmin 1/325 8.73111/320.8 5.5 9.5253/81 5.5567/3211.1127/161.5881/165.95315/6412.30331/642 6 12.71/22.3813/326.351/413.49417/322.5 6.5 14.2889/163 6.74717/6415.08119/323.9695/327 15.8755/84 7.1449/3219.053/44.5 7.5 25.414.7623/167.9385/1631.751 1/4Note: The special specification can be manufactured after negotiating Detailed PhotosZYS Ceramic ball workshop: Our Advantages ZYS Glory Top 200 most promising companies of China in ForbesTop 500 in China Machinery IndustryExcellent Enterprise with China Well-know TrademarkHigh-performance Bearings LaboratoryState Quality Supervision and Testing Center for BearingISO/TC4 China SecretariatThe Research Center for High-speed Precision Bearing Engineering in Machinery Industry Certifications ZYS bearing products...... We would like to and ready to do business with any company from all over the world. If you are interested in any of ZYS products, please don't hesitate to contact with us, we would like to give you ZYS best quality service any day any time ! Contact usAddress: No.1 Jilin Road, Luoyang City, Henan, Province, China.Zip Code:471039Website:chinazys.en.made-in-china.comchinazys.en.made-in-china.com
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