The 300 mm insulated cast iron sleeve bearing offers reliable performance for demanding electrical applications, featuring a robust cast iron housing with insulation to prevent electrical current passage. Designed for durability, it supports high radial loads and resists wear, with a bore size of 140 mm and overall length of 300 mm. The bearing operates efficiently under continuous voltage stress up to 1000 V and maintains stable capacitance values for consistent electrical insulation. Key features include excellent thermal conductivity, resistance to vibration, and compatibility with standard shaft dimensions, making it ideal for motors, generators, and industrial machinery requiring dependable electrical isolation and mechanical strength.