The Kramp UN557512 is a high-quality NBR (Nitrile Butadiene Rubber) oil seal, Type A (single lip with spring), designed for reliable sealing in various agricultural and industrial applications. It features a precise 55mm inner diameter, 75mm outer diameter, and 12mm height. This durable seal operates effectively within a wide temperature range of -30°C to +100°C and can withstand pressures up to 0.5 bar, preventing fluid leakage and ensuring long-lasting performance.