Backstops and freewheel couplings are used in all applications where operation in one direction of rotation only is desirable or permitted. Backstops and freewheel clutches consist of three main components.

  • The inner ring forms the connection between the backstop and the shaft.
  • The cage guides and positions the sprags between the inner and outer rings.
  • The outer ring connects the backstop to the housing or the flexible coupling.
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