V-ring seals (or V-rings) are unique all-rubber seals for rotating shafts and are used in an extremely wide range of applications. The V-ring can be used alone to protect a wide assortment of bearing types from contaminants. They are also often used as secondary seals to protect primary seals in highly contaminated environments. SKF® V-Ring Seal, Type VR4, 25.5906 in ID, 30.906 in OD, 1.969 in Width, 26.378 to 26.7717 in Shaft Diameter, -40 to 210 °F, NBR