SKF Seal and Lip Types and Cross Sections

The following are cross-sections showing SKF seal construction. These are just a few of the many seal and lip types that SKF has to offer. Contact us for more styles.

CRW1 single lip spring-loaded without inner case. Economical general purpose seal.
CRWA1 dual lip spring-loaded without inner case. Provides light dirt exclusion.

CRWH1 single lip spring-loaded with inner case for greater strength and protection of lip.
CRWAH1 dual lip spring-loaded with inner case for greater strength and protection of lip.

CRWA5 dual lip design to hold internal pressure up to 90 psi.

HMS4 single lip spring-loaded without inner case is the most economical general purpose seal.
HMSA7 dual lip spring-loaded without inner case. Provides light dirt exclusion.

HDS4 large diameter rubber clad single lip seal with molded-in spring.
HDS6 rubber OD without spring with integral spacer lugs.

HDAS1 and HDAS2 large diameter seal with second lip for better dirt exclusion.

D7 dual-lip and dual-element to seperate two fluids.

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