The CR 20x40x7 Rotary Shaft Seal is engineered for robust performance in demanding industrial environments, ensuring superior exclusion of contaminants and positive retention of lubricating fluids. Built to precision metric standards, this seal utilizes a high-grade Nitrile Butadiene Rubber (NBR) sealing lip reinforced by a stainless steel garter spring. This configuration provides consistent radial load distribution against the shaft, making it ideal for high-speed rotational applications found in gearboxes, industrial pumps, electric motors, and heavy-duty axles. Its standardized design allows for easy integration into existing equipment designs, maximizing uptime and minimizing the risk of catastrophic fluid loss due to seal failure. This product adheres to strict ISO specifications, guaranteeing reliable operational integrity under continuous thermal and mechanical stress.
Selecting a premium CR seal translates directly into reduced maintenance expenditures and increased equipment longevity. The 20x40x7 seal is specifically designed to handle moderate pressures and a broad temperature range inherent in most industrial machinery. Its robust outer metal case ensures secure press-fit installation into the bore, preventing spiral leakage pathways. We recommend this specific CR solution for applications where reliability is non-negotiable and where preventing the ingress of dust, dirt, and splash water is critical to protecting sensitive internal components. Invest in certified quality to safeguard your machinery's efficiency.
Key Features
Reinforced Garter Spring ensures consistent radial sealing load and prolonged service life.
NBR construction provides excellent resistance to mineral oils, hydraulic fluids, and grease.
Metal Case Outer Diameter guarantees secure press-fit installation and prevents bore leakage.
Optimized Lip Geometry for effective exclusion of abrasive external contaminants.
Suitable for high-speed rotational applications (up to 3,600 RPM, depending on pressure).
