Hi-Tech Seals, Inc. V-Seals VA

The function of a V-seal is to exclude dirt, water, or other aggressive media from entering bearing housings while also retaining grease. The V-seal stretches over the shaft and assumes a tight interference fit. The V-seal rotated with the shaft causing the lip to rotate against thee housing or bearing as the speed increases, friction decreases due to centripetal force.

The V-seal mounts directly onto the shaft and seals axially against a counterface, housing or bearing surface. The elastic body allows for the seal to be stretched into place without having to disassemble the machine. The rubber seal adheres to the rotating shaft while the actual seal occurs at the point of contact between the lip and the counterface.