96% Alumina Ceramic Radial Bearing Corrosion Resistance For Fountain Pump
Alumina Ceramic Bearings and Shafts 96% Alumina Ceramic Radial Bearing for Fountain Pump Corrosion Resistance Anti-abras
Dimensions: ODφ34mm*IDφ14mm*15mm(Bearing)
Material: 96% Alumina ceramic (Oxide, Al2O3)
Color: white color
Properties of aluminum ceramic bearings
Minimal thermal expansion; Excellent thermal shock behavior; Striking temperature resistance; Low thermal conductivity; High corrosion resistance
Application: This ceramic Radial bearing is made from alumina ceramics, zirconia ceramics, silicon carbide etc and is especially anti-abrasion. It keeps a good performance for a long time in machinery, cleaning machines, cleaning device, circulating pumps, shield pumps, aquarium pumps, fountain pumps and so on.
Workmanship: These advanced alumina ceramic bearings, usually also called technical ceramics bearings are first shaped into green parts, then put into a stove to be sintered. After sintering, the ceramic bearings are already super hard. And then their outer dimensions, inner dimensions and end-faces are machined to get the demanded dimensions and tolerances.
Machining Accuracy of Ceramic Bearings
| Dimension Range (mm) |
OD tolerance | Roundness | Length tolerance | Concentricity | ID Ra | Perpendicularity |
| Outer Diameter 15-60 |
0.01 | 0.005 | ±0.05 | 0.025 | Ra0.15 | 0.025 |
| Inner Diameter 6-40 |
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| Length 5-30 |
| physical properties | |
| Fundamental Properties | Jingci |
| material grade (%Al2O3 content) | 96% (German brand) |
| color | white |
| bulky density (fired), Mg/m3) | 3.8 |
| porosity (apparent) | 0 |
| Rockwell hardness(R45N) | 86 |
| compressive strentgh, Mpa | 3200 |
| Flexural strength (3-point),Mpa | 390 |
| Young's modulus, Gpa@20C | 360 |
| Thermal conductivity , W/m.K@20C | 28 |
| Thermal expansion coefficient (20-1000C) | 7.8 |
| Max.no-load temp. C | 1550 |
| Dielectric constant @ 1MHz | 10 |
| Dielectric strength, KV/mm | 20 |
| Volume resistivity, ohm.cm @ | >10^15 |
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