The 90 mm insulated steel sleeve bearing is designed for use with bearing numbers 6011, 6210, and 6308, featuring an approximate outer diameter of 94 mm and available in lengths of 30, 40, or 50 mm. Constructed from high-quality steel, this sleeve provides reliable insulation and durability for electric motor applications. It ensures a precise fit and smooth operation, helping prevent eddy currents and bearing damage. The sleeve’s robust design supports efficient heat dissipation and long service life, making it ideal for demanding industrial environments where precision and reliability are essential.