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Radial Shaft Seals

Radial shaft seals are used to retain fluid, e.g. lubricant, in equipment where the differential pressure is relatively low. Typically the shaft rotates, and the housing is stationary, although in some applications the shaft is stationary, and the housing rotates.
Dynamic sealing is normally the result of a designed interference-fit between the shaft and a flexible element incorporated in the seal.
Similarly, a designed interference-fit between the outside diameter of the seal, and the diameter of the housing bore, retains the seal and prevents static leakage.
Careful storage, handling, and proper installation of all seals are necessary to avoid hazards, both prior to and during installation, which would adversely affect service life.

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Radial shaft seals are used to retain fluid, e.g. lubricant, in equipment where the differential pressure is relatively low. Typically the shaft rotates, and the housing is stationary, although in some applications the shaft is stationary, and the housing rotates.
Dynamic sealing is normally the result of a designed interference-fit between the shaft and a flexible element incorporated in the seal.
Similarly, a designed interference-fit between the outside diameter of the seal, and the diameter of the housing bore, retains the seal and prevents static leakage.
Careful storage, handling, and proper installation of all seals are necessary to avoid hazards, both prior to and during installation, which would adversely affect service life.

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