V-Ring Seals are used with grease or oil lubrication. V-rings include a rubber body and a sealing lip that exerts a light axial pressure on the sealing surface. This type of seal is simple to fit and at slow speeds permits relatively large angular misalignments of the shaft with respect to thin the original seal size, which are used. These sleeves are commercially available in many popular bearing sizes. V-rings are generally fitted on the outside of the housing with grease lubrication and on the inside of the housing with oil lubrication. V-ring seals are unique all-rubber seals for rotary shafts. V-rings are mounted on and rotate with the shaft. These rings are normally made of nitrile rubber. V-rings are made entirely of elastomer without fabric or sheet metal reinforcement.