Rotary Shaft Seals Need Rotary Shaft Seals used to retain lubricants and prevent contaminants from entering the rotating or oscillating parts of a machine or equipment.At Independence Seal Company, we offer custom-engineered seals in premium materials like steels, including mild (CRS) steel or 304 stainless steel in sizes ranging from 0.030 inches (0.762 mm) to 120 inches (304.8 cm) in inside diameter. To know more - https://www.independenceseal.com/rotary-shaft-seals/