The 310 mm insulated cast iron sleeve bearing is designed for use with bearing numbers 6040, 6234, and 6424, featuring an approximate outer diameter of 320.3 mm (12.610″) and a sleeve length of 120 mm. This robust sleeve offers precise dimensional tolerances of ±0.05 mm, ensuring reliable fit and performance in demanding electrical and industrial applications. The insulation provides effective electrical isolation, reducing the risk of current leakage and bearing damage. Ideal for environments requiring durability and electrical protection, this cast iron sleeve combines high mechanical strength with dependable insulation properties for long service life and stable operation.