22317 E

The 22317 E spherical roller bearing is a heavy-duty power component designed for extreme industrial environments where shaft deflection or mounting errors are a constant challenge. This specific "E" design features an optimized internal geometry that significantly boosts its radial and axial load-carrying capacity compared to standard models. With a 85mm bore, 180mm outer diameter, and 60mm width, it utilizes two rows of symmetrical rollers and a flangeless inner ring. This construction not only allows the bearing to be self-aligning but also minimizes friction during high-speed rotations, reaching limiting speeds of up to 3,800 rpm. Its robust steel cage ensures the rollers remain precisely guided even under intense vibration, making it a reliable choice for long-term operational stability.

Beyond its impressive technical specs, the 22317 E bearing is built for serviceability and extended life. It typically comes with a standard lubrication groove and three holes in the outer ring (W33 feature), allowing for easy maintenance in the field without complete disassembly. Whether it's being used in heavy-mining equipment, large-scale fans, or industrial gearboxes, this bearing handles combined loads with ease while tolerating temperatures ranging from -30°C up to 200°C depending on the lubricant used. By reducing heat generation and wear, the 22317 E helps facility managers decrease unplanned downtime. If you are looking for a high-precision, metric-sized roller bearing that balances high static load ratings (up to 620 kN) with smooth mechanical performance, this model is the industry benchmark.

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