The Koyo RLS4-2RS1 is a high-quality deep groove ball bearing designed for various industrial and agricultural applications. This genuine Koyo bearing features a 25.4mm (1 inch) bore diameter, a 57.15mm (2.25 inch) outer diameter, and a 15.88mm (0.625 inch) width. It is equipped with two rubber seals (2RS1) to protect against contaminants and retain lubricant, ensuring extended service life and reliable performance in demanding environments. Ideal for replacements requiring precise metric and imperial dimensions.