The 300 mm insulated steel sleeve bearing features an outer diameter of approximately 308.3 mm (12.137 inches) with a tight tolerance of ±0.05 mm (0.002 inches) and is available in lengths of 80, 90, 100, 110, or 120 mm. Constructed from steel with insulation properties, it is designed to protect against electrical currents and reduce bearing failure. This sleeve bearing supports high load capacity applications and offers durability in demanding environments. Its precise dimensions and insulation make it suitable for use in motors and rotating equipment requiring electrical isolation and robust mechanical performance.