The TIMKEN 21158-0358 Hi-Performance Seals are designed for applications requiring superior sealing capabilities. With a size specification of less than 8 inches, these seals provide excellent protection against contaminants and moisture, ensuring optimal performance of machinery. Constructed from high-quality materials, they are engineered to withstand harsh conditions while maintaining their sealing integrity. Ideal for various industrial applications, these seals comply with industry standards, making them a reliable choice for enhancing equipment longevity.