Corrosion Resistant Silicon Nitride (氮化硅) Full Ceramic Deep Groove Ball Bearing

Full Ceramic Deep Groove Ball Bearing – Non?magnetic, electrically insulating, corrosion resistant, operable up to 1200°C. Self?lubricating, runs dry without oil or grease. Ideal for semiconductor, 航天, 医疗的, 化学加工, vacuum systems, and high?temperature furnace applications where steel bearings inevitably fail.

We offer Si3N4 full ceramic deep groove ball bearings in a wide range of standard sizes, including miniature series (down to 2mm ID), metric and inch dimensions, and large?diameter configurations. Custom retainer materials (PEEK, PTFE, PA66, full complement without cage) are available.

类别: 陶瓷轴承, 全陶瓷轴承

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Full Ceramic Deep Groove Ball Bearing – The Definitive Solution for Extreme Environments

Unlike hybrid bearings, which combine ceramic balls with steel rings, a full ceramic bearing is manufactured entirely from ceramic material—both the inner and outer rings and the rolling elements are made from high?performance engineering ceramic. This all-ceramic construction unlocks a level of environmental tolerance and operational freedom that no steel?based bearing can approach. Our Si3N4 full ceramic deep groove ball bearings are the ultimate choice for engineers who need reliable, maintenance?free rotary motion in the harshest operating conditions on Earth—and beyond.

主要特点:

1.High-Temperature Performance: The most striking advantage of the Si3N4 full ceramic bearing is its ability to operate reliably at extreme temperatures. With a maximum operating temperature of 1200°C in air and up to 1400°C in inert or protective atmospheres, this bearing is the solution for furnaces, kilns, high-temperature ovens, and industrial heating equipment.
2.Superior Corrosion and Chemical Resistance: Si3N4 is chemically inert and resistant to virtually all corrosive media, including strong acids (sulfuric, hydrochloric, nitric), alkalis, saltwater, and organic solvents.This exceptional chemical stability, combined with the bearing’s self-lubricating properties, makes it the perfect choice for chemical processing equipment, electroplating lines, marine applications, food processing, and pharmaceutical manufacturing.
3.Electrical Insulation: Our Si3N4 full ceramic bearing is a complete electrical insulator, effectively eliminating electrical arcing damage.This makes it essential for electric motors, generators, wind turbines, railway traction systems, and any electrically sensitive equipment.
4.Non-Magnetic-: Si3N4 ceramic is fully non-magnetic, unlike steel bearings which can interfere with precision measurements. This characteristic is critical for MRI machines, particle accelerators, electron microscopes, aerospace guidance systems, and any application where magnetic fields must be carefully controlled.Additionally, non-magnetic bearings do not attract fine metallic particles, reducing the risk of contamination-induced wear.
5.Lightweight: Full ceramic bearings are dramatically lighter.This weight reduction translates directly into lower centrifugal forces at high rotational speeds, reduced bearing loads on supporting structures, and improved energy efficiency in rotating equipment. For aerospace, satellite mechanisms, and high-speed machinery, every gram saved contributes to performance.