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All the most important and interesting things about the Huaci company. Learn about the company's new products, developments and major achievements.

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28 2026-02
Hybrid Ceramic Bearings vs Full Ceramic Bearings
Hybrid ceramic bearings combine steel inner and outer rings with silicon nitride balls, providing a balance of toughness, speed capability, and cost efficiency. Full ceramic bearings use Si3N4 for both balls and rings, achieving maximum insulation and weight reduction, but are more brittle.
28 2026-02
Electrical Insulation Benefits of Ceramic Bearing Balls
Preventing Electrical Pitting in Bearings with Silicon Nitride
28 2026-02
Silicon Nitride Bearing Balls for High-Speed EV Traction Motors
Electric vehicle (EV) traction motors are subject to extreme rotational speeds, often exceeding 15,000–20,000 RPM. At these speeds, conventional steel bearings encounter thermal expansion, centrifugal forces, and electrical discharge issues, leading to premature wear. Silicon Nitride Bearing Balls offer a solution through their reduced density, electrical insulation, and high-temperature resistance.
28 2026-02
Silicon Nitride Bearing Balls in Wind Turbine Generator Systems
Wind turbines operate under variable load and electrical exposure.
28 2026-02
High-Speed CNC Spindle Performance with Silicon Nitride Bearing Balls
Machine tool spindles operate at extreme rotational speeds requiring low friction and stable preload.
28 2026-02
Silicon Nitride Bearing Balls for Aerospace Turbomachinery
Aerospace rotating systems demand weight reduction and thermal stability.
28 2026-02
Surface Roughness Standards for Silicon Nitride Bearing Balls
Surface quality directly affects lubrication film formation and fatigue life.
28 2026-02
Electrical Pitting Prevention Using Silicon Nitride Bearing Balls
Electrical pitting occurs when stray current passes through rolling contact interfaces. This phenomenon is common in variable frequency drive (VFD) motors.
28 2026-02
Silicon Nitride vs Steel Bearing Balls: Technical Performance Comparison
Material selection in bearing design depends on operating speed, load, temperature, and electrical exposure. Comparing silicon nitride ceramic balls with bearing steel highlights critical performance differences.
28 2026-02
Silicon Nitride Bearing Balls for Electric Vehicle Drive Motors
Electric vehicle (EV) drive motors operate at significantly higher rotational speeds than traditional internal combustion systems. Typical traction motors exceed 15,000–20,000 RPM, creating thermal, electrical, and centrifugal stress on bearing assemblies. Silicon Nitride Bearing Balls are increasingly used in hybrid bearings to address these challenges.
Dedicated to the research and development and manufacturing of new silicon nitride ceramic materials

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liweiqi@hc-sin.com

+86 180 5010 1292

No. 451-1, Shixing Road, Houxi, Jimei District, Xiamen, Fujian, China

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