1623550: SEAL Exhaust Valves **Maintenance:** Regular inspection and **Maintenance:** Regular inspection and replacement are necessary to maintain efficiency and prevent damage Part Name: 386459 including: Electric motors Gearboxes Pumps Automotive components Heavy machinery This overview provides key insights into the features and specifications of radial shaft seals 000 feet per minute **Temperature:** Often less than or equal to 185°F (85°C) for standard elastomers **Shaft Hardness:** Recommended above Rockwell C 45 for optimal seal life **Shaft Finish:** 10 20 micro inches for best performance **Materials:** **Elastomers:** Nitrile (NBR)