RC ERA C138 Bearing Set — Main Shaft & Rotor Head (OEM)

Restore silky-smooth rotation and cut vibration on your C138 with this OEM bearing set. Fresh precision bearings reduce wobble, noise, and power loss for steadier hover and crisper control.

Key Features

• OEM-spec precision bearings for the C138 main shaft / rotor head

• Reduce play, wobble, and gear noise; improve efficiency and flight time

• Low-friction raceways for smoother spool-up and cleaner tracking

• Quick-swap maintenance item—ideal after crashes or heavy flight hours

Compatibility

Purpose-built for the C138 platform, fully compatible with:
👉 RC ERA C138 6CH RC Helicopter with Gyro & Optical-Flow Positioning (Red/Blue)

Not universal—recommended only for the C138 series.

What’s in the Pack

• Bearing set for C138 (positions per product photos; typically main shaft & head locations)

• Use as a like-for-like replacement for rough or worn bearings

• Collars, shafts, and hubs are not included unless shown; reuse originals or purchase separately.

When to Replace

• Noticeable shaft play or head wobble

• Grinding/rumbling noise during spool-up

• Excess motor heat or shortened flight time

• After hard impacts or many flight cycles

Installation Tips

• Power off & remove the battery before service

• Clean bores/shafts; seat bearings fully without forcing

• Avoid over-lubing—use plastic-safe light oil sparingly

• After assembly, perform a low-hover test and recheck tracking

More C138 Spare Parts

Need blades, gears, skids, shafts, motors, or linkages?
👉 Explore the collection: C138 Spare Parts Collection