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Cassette Seals

Sealing of Grease and Oil on Machine Elements

Cassette seals are highly rigid and therefore employed for very heavy-duty use and in dirty environments, like commercial vehicles, materials handling equipment, as well as agricultural, forestry and construction machinery. Cassette seals are fully encapsulated. The inner body forms a grease-filled labyrinth with several sealing and dirt lips (radial and axial). The main sealing lip is spring-energized. The grease filling reduces wear, increases the lifetime and thereby extends maintenance intervals for heavy-duty applications. Cassette seals also contain a fully pre-treated sealing contact surface. Therefore, the shaft does not have to be specially hardened and grounded.

Benefits at a Glance

  • Reliable protection against dirt, mud, water and dust
  • No additional dirt seals are required
  • Robust sealing system
Cassette Seals

Cassette Seals Are Special Seals

Which Are Available on Request

  • NBR cassette seals show good chemical resistance to numerous mineral oils and grease.
  • FKM cassette seals show good resistance to mineral and synthetic oils and greases, engine, gear and ATF oils, fuels, aromatic and chlorinated hydrocarbons and solvents

Related Documents

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