The CR Industries 18657 Oil Seal is a high-performance rotary shaft seal engineered to provide superior sealing capabilities in various industrial applications. Key Features Wave Lip Design: Incorporates a wave lip that generates sinusoidal motion, resulting in up to 30% less heat and 20% less friction compared to traditional designs. Metal Outer Diameter (OD): Ensures a firm and accurate fit within the housing bore, facilitating easy installation. High Pump Rate: Delivers the industry’s highest pump rate, enhancing overall performance. Specifications Shaft Diameter: 1.875 inches Outside Diameter: 2.750 inches Overall Width: 0.313 inches Design Type: CRW1 Seal Type: Rotary shaft seal/Radial shaft seal Lip Material: Nitrile Rubber (NBR) Number of Lips: 1 Casing: Steel with metal case design Operating Temperature Range: -40°F to 210°F Pressure Tolerance: 10 psi Spring Type: Garter Spring made of Carbon Steel Lubricant Compatibility: Suitable for use with oil or grease Typical Applications: Ideal for gearboxes, speed reducers, transmissions, motors, pumps, wheel ends, and rollers The CR Industries 18657 Oil Seal is designed to meet the demanding requirements of various industrial environments, offering reliability and efficiency in sealing applications.