The 190 mm steel sleeve bearing 6318 is a single-row deep groove ball bearing with a bore diameter of 90 mm, an outer diameter of 190 mm, and a width of 43 mm. It features a pressed steel cage and an open enclosure type. The bearing offers a dynamic load capacity of approximately 143,000 to 178,000 N and a static load capacity around 107,000 N. It operates efficiently at speeds up to 3600–4800 rpm with a C3 clearance and a temperature range from -40 to 100 °C. This bearing is designed for low noise, low maintenance, and high durability in applications such as fans, pumps, and agricultural machinery.