Schaeffler North America

Valve train & chain drive systems

Hydraulic bucket type tappet

Hydraulic INA bucket type tappets ensure that the valve train remains rigid. They have a low mass and low mass moment of inertia, and allow high speeds. Formed steel housing with the minimum wall thickness and welded guide funnels afford high endurance strength and rigidity with a low moving mass.

Special features:

  • Valve is operated directly
  • Very high rigidity
  • Small moving mass due to the manufacturing process
  • High-quality surfaces and heat treatment process In cam contact with object: low friction and high wear protection
  • Very cost-effective in appropriate quantities

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