31328-X

The 31328-X is a high-performance single-row tapered roller bearing designed to handle demanding radial and axial loads simultaneously. With a 140mm bore, 300mm outside diameter, and a 77mm width, this metric-sized bearing features a steep contact angle that specifically enhances its thrust-carrying capabilities. Its separable design-consisting of the inner ring assembly (cone) and the outer ring (cup)-allows for independent mounting, which simplifies installation and maintenance in complex machinery. The "X" suffix signifies that its external dimensions are matched to international standards, ensuring seamless interchangeability across major brands like SKF, FAG, and Timken.

Engineered for stability in heavy-duty environments, the 31328-X excels in applications where precision and load density are critical, such as in heavy transmission gearboxes, mining equipment, and large-scale industrial drives. The internal geometry is optimized to reduce friction and heat generation, which significantly extends the service life of the lubricant and the bearing itself. Because these bearings are typically mounted in opposing pairs to achieve a rigid shaft-guiding system, they offer exceptional control over axial displacement. Whether used in construction machinery or power generation, the robust steel cage and high-grade chrome steel construction ensure reliable performance even under fluctuating operating temperatures and high-vibration conditions.

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