Eagle, Freya, EX & SX Drive Pipe Bearing Guide - HIROBO HI0404563  [HI0404563]

Guide description and purpose

This is an RC-scale pipe drive bearing guide intended for use in helicopter driveline assemblies. It serves as a guide and seating point for the drive pipe and the walk-through bearing that supports the tail or main drive train. The part is supplied as a single guide element to be used where the drive pipe passes through frames or bulkheads in Eagle, Freya, EX and SX series models.

Compatibility is restricted to the series listed; always verify the part against your airframe before fitting. The typical installation replaces an existing guide in the driveline, positioning the bearing so the shaft runs concentric to the transmission with minimal axial play and no bearing preload.

When setting up and tuning, check alignment between the guide and drive shaft, ensure the bearing turns freely, and recheck any set screws or retaining clips after initial operation. Regular inspections for wear or scoring will determine when the guide or bearing should be renewed to preserve smooth driveline function.