The 190 mm insulated steel sleeve bearing 6221-6318 features a bore diameter of 90 mm, an outer diameter of 190 mm, and a width of 43 mm. It is constructed with a pressed steel cage and designed as a single-row deep groove ball bearing, offering a dynamic load capacity of approximately 143,000 to 151,000 N and a static load capacity around 108,000 N. The bearing operates efficiently at speeds up to 3600–4800 rpm, with a temperature range from -40 to 100 °C. Its C3 clearance ensures reduced noise and low maintenance, making it suitable for applications in fans, pumps, and agricultural machinery.