A KOYO by JTEKT 55 mm Self-Aligning Ball Bearing 1311K is a type of rolling element bearing designed to accommodate misalignment between the shaft and the housing. It consists of an inner ring, an outer ring, a cage, and a number of balls. The inner and outer rings have spherical raceways, allowing the bearing to self-align and compensate for angular misalignments. The self-aligning capability of these bearings is achieved through the design of the raceways and the curvature of the balls. This feature allows the bearing to tolerate shaft misalignment caused by mounting errors, shaft deflection, or thermal expansion. As a result, self-aligning ball bearings can operate smoothly even when there are slight deviations in alignment, reducing stress and wear on the bearing components. Self-aligning ball bearings are commonly used in applications where there may be shaft misalignment, such as in mining equipment, paper mills, conveyors, and textile machinery. They are also utilized in automotive applications, such as wheel bearings. These bearings are available in various sizes and designs to accommodate different load capacities and operating conditions. They can be manufactured with different cage materials, including steel, brass, or synthetic materials, depending on the specific application requirements. Proper lubrication is crucial for the smooth operation and longevity of self-aligning ball bearings. Regular maintenance and periodic re-greasing are important to ensure optimal performance and extend the bearing's service life. Self-aligning ball bearings find applications in various industries and equipment where misalignment between the shaft and housing is expected. Some common applications include: Industrial Machinery: Self-aligning ball bearings are used in various types of industrial machinery, including pumps, fans, compressors, conveyors, and printing machines. They can accommodate misalignments caused by shaft deflections or thermal expansion in these applications. Automotive Industry: Self-aligning ball bearings are utilized in automotive applications, particularly in wheel bearings. They allow for slight misalignment between the wheel hub and the axle, ensuring smooth and reliable operation even when the vehicle encounters road irregularities. Mining and Construction Equipment: Equipment used in mining and construction often operates in harsh conditions and experiences significant vibrations. Self-aligning ball bearings are employed in crushers, screens, and rock drills to withstand misalignments caused by heavy loads, shocks, and vibrations.
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Inner Diameter : 55 mm
