30334-A

The 30334-A tapered roller bearing is a high-capacity, single-row metric component engineered for demanding environments where stability is non-negotiable. With a substantial 170mm bore, 360mm outer diameter, and an 80mm total width, this bearing is built to manage extreme radial and unidirectional axial loads simultaneously. Its specialized "-A" internal design reflects an optimized geometry that reduces friction and heat buildup, extending the service life of both the lubricant and the steel. Typically found in heavy-duty gearboxes and industrial spindles, the 30334-A offers a static load rating (C0r) of approximately 1,360,000 N, making it a powerhouse for machinery that operates under immense pressure.

Designed with a separable structure, the 30334-A allows for independent mounting of the inner ring (cone) and outer ring (cup), significantly simplifying installation and maintenance in complex assemblies. This bearing is crafted from high-grade chrome steel (GCr15), ensuring a thermal reference speed of roughly 1,340 1/min even when pushing its limits. Whether you are outfitting mining equipment, large-scale construction machinery, or metal-rolling mills, the 30334-A provides the rigidity and precision alignment needed to prevent shaft deflection. Its open-type configuration ensures easy integration into centralized lubrication systems, maintaining operational reliability across a broad temperature range from -30°C to +120°C.

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