The Nachi 22211EXW33 spherical roller bearing features a cylindrical bore with an inner diameter of 55mm, an outer diameter of 100mm, and a width of 25mm. It is designed with a steel cage and includes an oil hole and groove (W33) for enhanced lubrication. This bearing supports high radial and axial loads, offers self-aligning capability to accommodate shaft misalignment, and operates reliably under vibration and fluctuating load conditions. The EX series construction ensures high load capacity, reduced heat generation, and long service life, making it suitable for demanding industrial applications requiring robust performance and durability.