51248 M

The 51248 M is a high-precision single direction thrust ball bearing engineered to manage substantial axial loads in one direction. With a significant bore diameter of 240mm, an outside diameter of 340mm, and a height of 78mm, this metric-sized bearing is built for heavy-duty industrial environments. The "M" suffix indicates a machined brass cage, which provides superior strength and durability compared to standard steel cages, especially in high-speed or high-vibration conditions. Its separable design-comprising a shaft washer, a housing washer, and the ball-and-cage assembly-allows for independent mounting of components, simplifying the installation process in large-scale machinery.

Designed for reliability under pressure, the 51248 M excels in applications where axial displacement must be strictly controlled, such as in vertical pumps, crane hooks, and heavy-duty gearboxes. Because it consists of grooved raceways, it maintains stable operation even at a limiting speed of approximately 1100 r/min (depending on lubrication). It is important to note that this specific model is strictly for axial loads and should never be subjected to radial forces. Its robust brass-guided assembly ensures optimized lubricant distribution, reducing friction and extending the service life of the equipment even during continuous, long-term operation.

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