23996 CA/C3W33

The 23996 CA/C3W33 is a heavy-duty, double-row spherical roller bearing, designed specifically to manage extreme loads and accommodate shaft misalignment in harsh operating environments. Its exceptional load-carrying capabilities stem from the two rows of barrel-shaped rollers operating on a common sphered outer ring raceway, allowing it to handle very high radial loads and moderate axial loads in both directions. The "CA" design indicates a symmetrical roller set with a machined brass cage, which offers superior robustness and excellent roller guidance, making it the preferred choice for applications subject to heavy shock, vibration, and elevated temperatures, such as in mining, pulp and paper, and heavy machinery.

Measuring an imposing 480 mm bore, 650 mm outer diameter, and 128 mm width, this bearing is a powerhouse component built for massive industrial assemblies. The C3 clearance designation denotes a radial internal clearance greater than Normal, which is necessary to prevent the bearing from locking up under high-temperature operation where differential thermal expansion occurs. The W33 feature is crucial for operational longevity, signifying a circumferential groove and three lubrication holes in the outer ring. This design enables efficient relubrication without disassembly, ensuring a continuous supply of fresh lubricant to the rollers and raceways, which is vital for achieving the bearing's impressive basic dynamic load rating of approximately 2,990 kN and maximizing its service life.

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