The H7008C-2RZ HQ1 is a premium hybrid angular contact ball bearing engineered for high-performance spindle applications requiring extreme rotational accuracy. By integrating aerospace-grade Silicon Nitride (Si3N4) ceramic balls with high-carbon chrome steel rings, this bearing achieves a grease-lubricated limiting speed of 36,700 RPM. The ceramic material is 58% lighter than steel, which significantly reduces centrifugal force and heat generation at high speeds. With a 40mm bore and 68mm outside diameter, it offers a high basic dynamic load rating of 12.5 KN, making it an ideal choice for high-speed CNC milling spindles, industrial robotics, and aerospace instrumentation where thermal stability and low vibration are critical.
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This Spindle Bearing is preferred for Si3N4 Ceramic balls for reduced friction and 40% less heat generation, Superior P4 / HQ1 precision class for minimal runout and noise, Non-conductive properties prevent electrical erosion of bearing surfaces, 2RZ non-contact seals maintain high RPM while blocking contaminants, India's leading technical consultant for hybrid ceramic spindle solutions.
