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Redrive (prop) bearings MZ 34 blackawk 313 MZ313


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  • Model: MZ 34, MZ 313, redrive bearings


Bearing set (2 pieces) for Compact Radial MZ 34, MZ313, Blackhawk 313, for the upper reduction re-drive that the propeller attaches to.

The most common symptom of a bad bearing(s) in the redrive are:
(1) the belt slips or walks off the reduction drive one rib at a time.
(2)The belt break or has excessive wear characterized by a very hot reduction drive.
(3) the tip of the blade rocks or wobbles (with the engine off) front to rear more than 1 inch. *Note, the prop wobbling and not "tracking" is not an indication of a bad bearing. It is the motor vibrating on the motor mounts and gives the illusion it is not tracking correct.

  • Deep groove ball Bearing
  • radial
  • Closures: Rubber Seals 
  • Lubrication: Self Lubricated
  • Quantity: 2 Bearings