The 290 mm insulated cast iron sleeve bearing compatible with 6038 and 6232 ball bearings features an outer diameter of 288 mm, inner diameter of 191 mm, and a material thickness of 2.75 mm, made from high carbon steel or 51CrV4 alloy for durability and load capacity up to 1150 lbs. The 6232 deep groove ball bearing has a bore diameter of 160 mm, outer diameter of 290 mm, and width of 48 mm, supporting speeds up to 4500 RPM with a dynamic load rating around 186 kN. These bearings are designed for high-speed, low-friction applications with open or shielded options, suitable for industrial machinery requiring precise, robust performance.