Protect your trailer wheel bearings with these premium rubber dust caps. This set includes 4 pieces of high-quality bearing protector covers designed specifically for 1.98-inch wheel hub bearings. Each cap measures 1.98 inches in diameter with a 1-inch height, providing a perfect fit for standard trailer hubs. These durable caps serve two essential functions: they prevent dust and debris from contaminating your wheel bearings while maintaining proper bearing pressure and lubrication. Crafted from premium rubber material, these caps offer reliable protection for your trailer's wheel bearings during regular use and storage. The robust construction ensures they stay securely in place while protecting your bearings from environmental elements. Please note that these are dust covers only - bearing protectors are not included. Be sure to verify your hub measurements before purchase to ensure compatibility with your trailer wheels.