brown 95% Alumina Ceramic Bearings and Shafts High Abrasion Resistance

Alumina Ceramic Shafts and bearings 95% Brown Al2O3 Pump Components DC Circulating Pumps High Abrasion Resistance

Dimensions: bearings ODφ28*IDφ11*16&shafts φ11*90.5

Material: 95% Alumina or aluminum Oxide, Al2O3

Ceramic is a non-metallic, inorganic, temperature- resistant material that is at least 30% crystalline and is difficult or impossible to dissolve in water. As demands for ceramics performance are higher, the recipe for 95% alumina is also changed and improved so as to improve its friction resistance property, which makes circulating pumps last longer time.

Color: brown or coffee color

Application: It is widely applied in the motor of pumps such as micro pump, shield pump, circulating pump, centrifugal pump, impeller pump, magnetic drive pump, ground source heat pump, aquarium pump, fountain pump etc, because it has excellent properties like anti-corrosion, anti-abrasion, high-temperature resistance, and obviously improve the pump running time.

Advantages of Ceramic Bearings and shafts

1. Low density - Density of 95% alumina ceramics is about 3.7g/cm^3, much lighter than metal bearings, which means less weight and abrasion. That helps reduce the electricity consumption, as well as electric charge.
2. Extremely hard – The Vickers Hardness of 95% alumina ceramics is about 18Gpa, which means ceramic bearings wear considerably less and last much longer than metal bearings.
3. Outstanding surface finish – The roughness of alumina ceramics usually less than 0.25um, much smoother than metal bearings. The smoother the bearings, the less friction, and the more efficient.
4. Non-magnetic &electrical insulator – If there is tough demands on non-magnetic working environment, ceramic bearings are more suitable than metal bearings.
5. Striking thermal properties – When ceramic bearings in performance are heating up, they expand little and can endure thermal shock if temperature changes sharply, and remain good performance without degrading.
6. Pretty good corrosion resistance – The alumina ceramics are non-corrosive and won’t be corroded like metal bearings in alkali or acid conditions