The 300 mm cast iron sleeve bearing, commonly used with bearing number 6328, is engineered for robust industrial applications requiring high load capacity and durability. This oversized sleeve features an approximate outer diameter of 309 mm with a tight tolerance of ±0.05 mm and a length of 120 mm, ensuring precise fitment and alignment in demanding machinery. Constructed from high-quality cast iron, it offers excellent wear resistance and thermal stability, making it ideal for heavy-duty equipment, large motors, and industrial drives. Its substantial dimensions and rugged build provide reliable support for rotating shafts, reducing vibration and extending service life in harsh operating environments.