The 75 mm steel shaft sleeve bearing is compatible with bearing sizes 6015, 6215, and 6315, featuring a sleeve length of 75 mm and available undersizes of 2 mm, 3 mm, and 4 mm to fit bores from 71 mm to 73 mm. The 6015 deep groove ball bearing has dimensions of 75 mm inner diameter, 115 mm outer diameter, and 20 mm width, made from chrome steel SAE52100 with ABEC precision ratings up to ABEC7, suitable for high RPM and capable of handling radial and axial loads. The 6215 bearing measures 75x130x25 mm, offers a dynamic load rating of 15,160 lbs, static load rating of 10,860 lbs, and operates up to 5,800 RPM with oil lubrication. The 6315 bearing is larger at 75x160x37 mm, with a dynamic load rating of 113,000 N and a maximum speed of 4,300 RPM, designed for heavy-duty applications with steel rolling elements and C3 clearance for low noise and smooth operation. These components are engineered for durability, precision, and versatile industrial use.