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NTN
BEARING CORPORATION OF AMERICA |
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Triple
Lip Land Riding Seal (LLS)
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Triple Lip Land Riding Seal (LLS)
As shown in the example (NTN designation UEL, LLS), the three rubber seal lips which are molded to a steel trash guard. The trash guard, when crimped into the outer ring’s seal groove, protects the seal lips from abrasive contaminants. All three lips contact the precision ground inner ring’s outside diameter surface. This configuration provides the best seal protection against contamination. These seals are designated by the suffix LLS and are used for special applications on a variety of wide inner ring inserts, including hex and square bore bearing series (1AH, 1AS), UR and REL inserts, UC, UELS and SBX insert bearings. The Vanguard® Seal A selection of bearings (primarily used in agricultural applications) from the NTN-BCA product line are sealed with the Vanguard® seal, a one-piece, molded single, double or triple lip seal made of a high quality elastomeric material. This seal also features a heavy gage steel trash guard which offers better protection of the rubber seal lips. The designations R and G are used for single lip designs, V for double lip and T for triple lip designs.
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