1P/2P/3P MR95CE 5X9X3 mm Full Ceramic Bearing ABEC-9 Full ZrO2 Ceramic Ball Bearing Zirconia Bearing 3x6x2.5mm 4x7x2.5mm 5x8x2mm

Full Ceramic Bearing (High-Temp, Corrosion-Resistant & Non-Magnetic Industrial Bearings)
Key Features & Advantages
1. Extreme Temperature Resistance
Engineered to withstand harsh thermal environments, our full ceramic bearings operate reliably in temperatures ranging from -250°C to 1200°C. They maintain dimensional stability without expanding or softening, making them ideal for kilns, steel manufacturing, and high-temperature processing equipment.
2. Superior Corrosion & Chemical Resistance
Unlike traditional metal bearings, ceramic materials are chemically inert. They offer exceptional resistance to strong acids, alkalis, organic solvents, and seawater. This makes them the perfect choice for chemical processing, electroplating, semiconductor manufacturing, and marine applications.
3. Non-Magnetic & Electrical Insulation
The non-magnetic nature prevents dust attraction and reduces premature wear and noise. Additionally, the high electrical resistivity effectively prevents arc damage, ensuring safe operation in sensitive electronic instruments, MRI medical equipment, and power transmission systems.
4. High-Speed & Low-Friction Performance
With a density approximately 40% lower than bearing steel, ceramic rolling elements significantly reduce centrifugal force during high-speed rotation. Combined with a low friction coefficient, this allows for higher RPMs (up to 75,000 RPM in specific applications), reduced energy consumption, and minimized heat generation.
5. Oil-Free Self-Lubrication & Vacuum Compatibility
The smooth, dense surface of ceramic materials provides excellent self-lubricating properties. This eliminates the need for grease or oil, preventing contamination in cleanrooms. It also overcomes the lubrication challenges in ultra-high vacuum environments, making them suitable for aerospace and semiconductor vacuum pumps.
6. Extended Service Life & Low Maintenance
Ceramic bearings possess higher hardness and elastic modulus compared to steel, offering superior wear resistance and anti-fatigue performance. They are immune to rust and electrochemical corrosion, significantly extending service life and reducing maintenance costs and downtime in demanding industrial settings.
Technical specifications:
Bearing Material: Zirconia Oxide (ZrO₂)
Ball Material: ZrO₂
Seal Options: Open
Cage: PTFE
Lubrication: Self-Lubricating (No oil).
Accuracy level: ABEC-9