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Frogs - Partial Flange Bearing Frogs

The partial flange bearing frog, is a hybrid of a conventional self-guarded frog and a pure flange bearing frog. Depending upon wear profile, wheels traverse the frog in either tread or flange bearing mode. The distribution of wheel loading yields significant improvement in frog life.


  • Designed for yard, terminal and transit applications
  • Robust solid manganese body
  • Universal toe/heel rail


  • Reduced point impact
  • Reduced point wear
  • Reduced noise and vibrations