The 20X28X4 HM4 R seals from SKF are engineered for small bore sealing applications, providing effective sealing solutions. With dimensions of 20mm inner diameter, 28mm outer diameter, and 4mm width, these seals are suitable for various industrial uses. Made from high-quality materials, they ensure durability and resistance to wear. These seals meet industry standards, making them compatible with a range of systems. Ideal for hydraulic systems, they offer excellent performance in high-pressure environments, ensuring longevity and reliability.