description SKF CRWHA1 Overview
The SKF CRWHA1 is a radial shaft seal manufactured by the Swedish engineering firm SKF, reflecting the company's Chicago Rawhide line of sealing solutions. It features a specialized hydrodynamic lip designed to return lubricant to the housing while preventing external fluid leakage. These seals are utilized in a variety of rotating industrial machinery to maintain lubricant integrity and exclude dirt or moisture. The design is intended for heavy-duty applications requiring consistent sealing performance.
insights Ranking position
SKF CRWHA1 ranks #56 of 131 in the Seal ranking, behind Chesterton S10, ahead of EagleBurgmann MG12.
help SKF CRWHA1 FAQ
What is the difference between SKF CRWHA1 and CRWH1?
Both use a double steel case, SKF Wave primary lip and carbon-steel garter spring. CRWHA1 adds a non-contacting auxiliary lip to improve protection against dirt and other contaminants.
Does the CRWHA1 auxiliary lip create much extra friction?
SKF specifies a non-contacting auxiliary lip, so it does not rub continuously against the shaft like a contacting dust lip. This generally allows CRWHA1 to operate at speeds similar to the single-lip CRWH1.
Is the CRWHA1 Wave lip directional?
No. The sinusoidal SKF Wave lip pumps lubricant inward regardless of whether the shaft rotates clockwise or counterclockwise.
Which measurements are required to replace a CRWHA1 seal?
You need the shaft diameter, housing-bore diameter and seal width, not merely the CRWHA1 family name. You must also match the elastomer to the lubricant, temperature and operating environment; SKF offers nitrile and Duralife fluoro-rubber versions.
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