The 42 mm oversized cast iron sleeve bearing designed for use with bearing numbers 6004 and 6302 features an approximate outer diameter of 45 mm with a tolerance of ±0.05 mm and a sleeve length of 20 mm. The compatible 6004 deep groove ball bearing has an inner diameter of 20 mm, outer diameter of 42 mm, and width of 12 mm, constructed from high-quality roller bearing steel with sealed sides for protection. It supports dynamic loads up to 9.4 kN, static loads of 5.03 kN, and operates at speeds up to 11,000 rpm. The 6302 bearing variant measures 15 mm inner diameter, 42 mm outer diameter, and 13 mm width, suitable for high-speed applications with robust steel construction and single-row raceways. These components offer low friction, high durability, and versatility for various rotary and automation uses.