Angular Contact Ceramic Ball Bearing H7003C-2RZ HQ1 - Spindle Bearing
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Angular Contact Ceramic Ball Bearing H7003C-2RZ HQ1

SKU / Model: H7003C-2RZ-HQ1

Power RatingIndustrial Grade
Max SpeedUp to 60,000 RPM
Cooling MethodStandard Cooled
Interface / SpecP4 Precision Grade

The H7003C-2RZ HQ1 is an ultra-precision hybrid angular contact ball bearing engineered for extreme high-speed machinery where rotational accuracy and thermal stability are critical. By combining premium high-carbon chrome steel rings with aerospace-grade Silicon Nitride (Si3N4) ceramic balls, this bearing achieves a staggering grease-lubricated limiting speed of 73,800 RPM. The 17mm bore and 35mm outside diameter make it the standard choice for high-frequency electric spindles, dental handpieces, and micro-machining centers.

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Detailed Technical Specifications

Technical ParameterEngineering Specification Value
CATEGORY & BRANDSpindle Bearing | TriQuench India

TriQuench India Pvt. Ltd. is an engineering-driven industrial automation partner based in Ahmedabad, Gujarat, specializing in the design and distribution of high-reliability mechanical motion components. Our manufacturing protocols focus on achieving strict dynamic balancing thresholds and minimizing axis runout tolerances to support heavy-duty fabrication job shops and manufacturing plants.

By providing components built to resist high thermal expansion and withstand continuous load requirements, we help machinery builders achieve exceptional surface finish quality and geometric accuracy. We distribute our precision spindle assemblies, variable frequency drives, and optoelectronic laser spares across global engineering centers, ensuring robust machinery performance and long operational lifetimes.