The H7009C-2RZ HQ1 is a high-performance hybrid angular contact ball bearing designed for advanced spindle systems requiring exceptional speed and thermal stability. By pairing high-carbon chrome steel rings with aerospace-grade Silicon Nitride (Si3N4) ceramic balls, this bearing reaches a limiting speed of 33,000 RPM with grease lubrication. The ceramic balls provide a 58% reduction in density compared to steel, drastically lowering centrifugal forces and internal heat generation during operation. With a 45mm bore and 75mm outside diameter, it offers a robust dynamic load rating of 13.1 KN. This P4 precision grade bearing is specifically engineered for high-precision CNC machining, industrial robotics, and aerospace components where durability, high-speed consistency, and electrical insulation are mandatory.
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This Spindle Bearing is preferred for Si3N4 Ceramic balls for significantly lower thermal expansion and friction, High-speed 2RZ non-contact seals for maintenance-free operation up to 33,000 RPM, Non-conductive ball material protects against electrical pitting in electric spindles, Optimized P4 / HQ1 precision class for minimal vibration and noise, Authorized technical consultancy for specialized hybrid bearings in Ahmedabad, India.
