The 160 mm steel sleeve bearing compatible with bearing numbers 6021, 6218, and 6315 features an outer diameter of approximately 166.3 mm ± 0.05 mm and a sleeve length of 40 mm, designed for robust support and durability in heavy-duty applications. The 6315 deep groove ball bearing paired with this sleeve has dimensions of 75 mm inner diameter, 160 mm outer diameter, and 37 mm width, with a dynamic load capacity up to 25,500 lbf and a speed limit around 4,100 RPM. This bearing is available in shielded variants with C3 internal clearance for thermal expansion, suitable for high-speed, high-load industrial uses. The 6021 bearing variant offers a 105 mm bore, 160 mm outer diameter, and 26 mm width, rated for speeds up to 8,500 r/min and dynamic loads of 76.1 kN, making these components ideal for electric motors, automotive, and factory automation systems. Sleeve options include insulated cast iron and oversized steel versions with lengths up to 70 mm for varied mounting requirements.