SKF 21309E is a double-row spherical roller bearing from the SKF Explorer family, engineered to carry heavy radial loads while tolerating angular misalignment. It has a straight bore of 45 mm, an outer diameter of 100 mm, and a width of 25 mm (dimensions 45x100x25 mm) with CN (normal) internal clearance. The bearing incorporates relubrication features for maintenance in demanding service. Typical applications include industrial gearboxes, conveyors, crushers, and other heavy machinery where high load capacity and misalignment tolerance are essential.
