![[U1037-12NJ] 10PCS high quality V/U steel U groove type guide rail track pulley flute chrome bearing wheel 1037UU | Обустройство дома](http://ae01.alicdn.com/kf/HTB1YEc8X42rK1RkSnhJq6ykdpXaT/U1037-12NJ-10PCS-high-quality-V-U-steel-U-groove-type-guide-rail-track-pulley.jpg)
[U1037-12NJ] 10PCS high quality V/U steel U groove type guide rail track pulley flute chrome bearing wheel 1037UU | Обустройство дома
US $40.66 / lot
Новое поступление
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TAIAN HANFANG CERAMICBALL Store
Магазина TAIAN HANFANG CERAMICBALL Store работает с 18.04.2014. его рейтинг составлет 100 баллов из 100. В избранное добавили 62 покупателя. Средний рейтинг торваров продавца 5 в продаже представленно 482 наименований товаров, успешно доставлено 83 заказов. 9 покупателей оставили отзывы о продавце.
Характеристики
2.2mm 2.3mm Silicon Nitride Ceramic Ball Si3N4 Grade G5 used in Bearing Pump Valve ball linear slider | Обустройство дома
История изменения цены
*Текущая стоимость US $42.35 / lot уже могла изменится. Что бы узнать актуальную цену и проверить наличие товара, нажмите "Добавить в корзину"
| Месяц | Минимальная цена | Макс. стоимость | Цена |
|---|---|---|---|
| Mar-19-2026 | 50.6 руб. | 53.11 руб. | 51.5 руб. |
| Feb-19-2026 | 50.92 руб. | 53.22 руб. | 51.5 руб. |
| Jan-19-2026 | 42.60 руб. | 44.86 руб. | 43 руб. |
| Dec-19-2025 | 49.9 руб. | 51.66 руб. | 50 руб. |
| Nov-19-2025 | 42.95 руб. | 44.93 руб. | 43 руб. |
| Oct-19-2025 | 48.87 руб. | 50.43 руб. | 49 руб. |
| Sep-19-2025 | 47.51 руб. | 49.53 руб. | 48 руб. |
| Aug-19-2025 | 47.98 руб. | 49.86 руб. | 48 руб. |
| Jul-19-2025 | 47.98 руб. | 49.41 руб. | 48 руб. |
Описание товара
2.2mm 2.3mm Silicon Nitride Ceramic Ball Si3N4 Grade G5 1. Product: Diameter Size :2.2mm 2.3mm ceramic ballMaterial: Silicon Nitride Ceramic Si3N4 Grade:G5 (1). Chemical CharacteristicsDensity: 3.23 g/cm3 Poissonrsquos Ratio: 0.26Hardness(Hv): 1500 MPaFlexural Strength(@ R.T.): 720 MPaFlexural Strength (700ordmC):450MPaCompressive Strength (@ R.T.):2300MPaFracture Toughness, K Ic : 6.2 MPabullm 1/2Thermal Conductivity (@ R.T.):25 W/mbullkElectrical Resistivity (@ R.T.) :>1013Omegabullmm2/mMax.Use temperature: 1050 degC
(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 loadc. Harder with Rockwellhardness as 78d. Smaller friction coefficiente. Only 1/4 coefficient of thermal expansion of steel, can endure sharp fluctuation of temperaturef. Superior s6urface finish can be achieved, Ra could be 4~6 nmg. Can endure high temperature with high hardness and strength up to 1050degCh. Never rust, and can roll without lubrication.i. More corrosion resistant than steel.j. Free of metal contamination.k. Non-magneticl. Electric isolationm. 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.ShippingOrders will be shipped by China Post Air Mail or DHL, UPS, FEDEX, TNT etc.Buyers will pay for any import taxes, import custome fee etc. 3.ReturnWe 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. 4.NoticeAccept retail and mixed batch.Big quantity will have better prices.Please email us before place order. 5.Products Range(1) Silicon Nitride Ceramic Ball Si3N4 0.4mm-140m G5-G100(2) Zirconia Ceramic Ball ZrO2 0.4mm-80mm G10-G200(3) Alumina Ceramic Ball Al2O3 1.2mm-90mm G10-G200(4)Silicon Carbide Ceramic Ball SiC(5) Precision Plastic Ball, such as PP Balls, POM Balls, PTFE Balls, PEEK Balls,PAI Balls etc(6) Precision Alloy balls,such as Tungsten Carbide balls TC(7) Precision Steel Balls , such as carbon steel ball, chrome steel ball, stainless steel balls etc
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