4.000"X5.751"X.438" 40108 CRWH1 CR SKF Oil Seal (0324)40108 0. 494 lb Radial shaft seal with double metal case, SKF Wave lip, for oil or grease UPC CODE 85311034579 Radial shaft seals are used between rotating and stationary machine components, or between components in relative motion. CRWH1 seals are designed with a double metal case, an SKF WAVE lip made of elastomer with a higher pumping rate to reduce heat generation, and a garter spring to optimize sealing against the shaft. Most of the seals