3Mm Silicon Nitride Ceramic Ball Si3N4 G5 100Pcs/lot Used In Bearing/pump/slider/valve Ball/metering Ball 3Mm Ceramic Ball

3Mm Silicon Nitride Ceramic Ball Si3N4 G5 100Pcs/lot Used In Bearing/pump/slider/valve Ball/metering Ball 3Mm Ceramic Ball
  • SellerCeramic Bearing Ball Wholesaler
  • List Price$20.00Lot
  • Avg. Price$19.13Lot
  • Your Price$19.00Lot
  • ShipmentFree Shipping
  • You Save$1.00Lot5.00% OFF
  • Ratings5.0 / 5.0 (8)
  • Updated11 Hours Ago
  • PromotionGet additional $2 off when buy $50 or more
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Product Details

  • Brand NameSd
  • MaterialSilicon Nitride Ceramic Si3N4
  • Model Number3Mm Ceramic Ball
  • Item3Mm Silicon Nitride Ceramic Ball
  • ColorBlack
  • GradeG5
  • Hardeness1500 Mpa
  • Max.use Temperature1050 °C
  • ApplicationBeaing, Pump, Valve Ball, Linear Slider, Etc.
  • Is_CustomizedYes

Product Description

3mm Silicon Nitride Ceramic Ball for Bearing Si3N4 Grade G5 1. Product: Diameter Size : 3 mm ceramic ball Material: Silicon Nitride Ceramic Si3N4 Grade:G5 (1). Chemical Characteristics Density: 3.23 g/cm3 Poisson’s Ratio: 0.26 Hardness(Hv): 1500 MPa Flexural Strength(@ R.T.): 720 MPa Flexural Strength (700ºC):450MPa Compressive Strength (@ R.T.):2300MPa Fracture Toughness, K Ic : 6.2 MPa•m 1/2 Thermal Conductivity (@ R.T.):25 W/m•k Electrical Resistivity (@ R.T.) :>1013Ω•mm2/m Max.Use temperature: 1050 °C (2). Advantage: Compared with steel ball, ceramic ball has following advantages: a. 59% lighter than steel ball, which means less centrifugal force and less wear on the groove during high speed and acceleration. b. 44% larger elastic modulus, which means less deformation under load c. Harder with Rockwellhardness as 78 d. Smaller friction coefficient e. Only 1/4 coefficient of thermal expansion of steel, can endure sharp fluctuation of temperature f. Superior s6urface finish can be achieved, Ra could be 4~6 nm g. Can endure high temperature with high hardness and strength up to 1050°C h. Never rust, and can roll without lubrication. i. More corrosion resistant than steel. j. Free of metal contamination. k. Non-magnetic l. Electric isolation m. No adhesive-wear with metal (3)Application: Si3N4 ball can be used in all bearings with special requirement: high speed bearing, high precision bearing; vacuum bearing; high/low temperature bearing, non-magnetic bearing, high precision ball screw; Si3N4 ball can also be used as valve ball and metering ball in chemical pump, high-temperature pump, metering pump. Si3N4 ball can also be used in linear slider for high temperature and corrosion resistance. 2. Shipping Orders will be shipped by China Post Air Mail or DHL, UPS, FEDEX TNT etc. China Post Air Mail will be free. Buyers will pay for any import taxes, import custome fee etc. 3. Payment Accept ESCROW. 4. Return: We do our best to ensure your satisfaction with each order, if you are not satisfied with the goods, we can offer refund within 7days after receiving the package in original condition, not including the shipping & handling fee. Please email us before return us. Buyer is responsible for shipping costs incurred shipping products back. 5. Notice : Accept retail and mixed batch. Accept Custom-made. Please email us before place order. 6.Products Range Supply Silicon Nitride Ceramic Ball Si3N4 Dia Size:0.4mm-140mm ;G5-G100 Supply Zirconia Ceramic Ball ZrO2 Dia Size: 0.4mm-80mm; G10-G200 Supply Alumina Ceramic Ball Al2O3 Dia Size:1.2mm-90mm; G10-G200
3mm Silicon Nitride Ceramic Ball Si3N4 G5 100PCS/Lot used in bearing/pump/slider/valve ball/metering ball 3mm ceramic ball

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