Align TREX 700/800 Series One-Way Bearing Mount by KDE Direct

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Frederick, MD

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KDE Direct
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This product was added to our catalog on December 28, 2012.

This is an optional KDE Direct One-Way Bearing Mount, and is intended for use with the Align T-REX 700E, 700N and 800 series helicopters. The one-way bearing mount upgrade provides the ideal solution to the one-way bearing assembly failures common on the market with stock and aftermarket designs. By utilizing a one-piece, high-grade bearing-quality stainless steel 440C material construction, precision CNC-machined and secondary hardened to HRC60 rating; the design provides a robust and failure-free setup for your helicopter. No more chance for slipping or failure of the one-way bearing assembly, there are no pressed-in sleeves or bearing-retaining compounds needed. In addition, due to the stainless steel construction of the upgrade, the risk of stripping threads for multiple gear chances and maintenance when tightening all hardware is greatly reduced. 

38g (design is FEA optimized for maximum strength and minimum weight)
Finish: Glass-bead CNC satin, HRC60 hardened


  • (1) T-REX 700/800 Series Stainless Steel One-Way Bearing Mount
  • (6) 2.5x0.45x8mm Socket Head Cap Screws (Class 12.9 BP Alloy Steel)
  • (6) 3x0.5x6mm Button Head Socket Head Cap Screws (Class 12.9 BP Alloy Steel)
  • (1) Radial Ball Bearing 15x21x4mm
Verified Owner
Saturday, Aug 17 2013 (about 4 years ago)
KDE Direct Align TREX 700/800 Series One-Way Bearing Mount
A must upgrade for the Trex 800! Aligns OWB are known to fail in the bigger birds.)