The 140 mm insulated cast iron sleeve bearing is designed for bearing sizes 6018, 6216, and 6313, featuring an outer diameter of approximately 146.3 mm (5.760 inches) with a tolerance of ±0.05 mm (0.002 inches). This sleeve bearing is made from high-quality cast iron with electrical insulation properties to protect bearings from electrical currents and reduce fluting damage. It provides robust mechanical support and electrical isolation in heavy-duty applications, ensuring extended bearing life. The sleeve’s precise dimensions and insulation make it suitable for use in industrial motors and machinery requiring reliable bearing protection.