Main Shaft Bearing for RC ERA C189 MD500

Eliminate Drive System Vibrations

Gritty or loose bearings are the root cause of high-frequency vibrations that can interfere with your helicopter's gyro and altitude hold sensors. This high-speed 6 x 3 x 2.5mm shielded bearing provides a smooth, frictionless axis for your C189’s drive system, restoring the whisper-quiet performance and flight stability of a brand-new machine. Ships worldwide.

Product Highlights

• Dual Shielded Design: Features metal shields on both sides to keep out dust and debris, extending the life of the bearing in outdoor environments.

• High-Chrome Steel: Manufactured from premium steel for superior hardness and resistance to the axial loads generated during 6CH maneuvers.

• Pre-Lubricated: Comes factory-treated with low-viscosity high-speed oil to ensure immediate smooth rotation right out of the box.

• Perfect Tolerance Match: Specifically sized to fit the RC ERA C189 main shaft and motor mounts with zero axial play.

Compatibility

For the RC ERA C189 Brushless RC Helicopter only.
Full model page (specs & photos):
https://www.kidstoylover.com/en-us/products/rc-era-c189-dual-brushless-rc-helicopter-1-28-scale-with-gyro-and-altitude-hold?_pos=1&_sid=c54e46d45&_ss=r

What’s in the Box

• 6x3x2.5mm  Main Shaft Bearing（2PCS）

Install Tips

• Clean the Seat: Before pressing in the new bearing, ensure the mounting housing is completely free of old grease and plastic shavings.

• Even Pressure: Use a bearing driver or a flat tool to push on the outer race of the bearing; never press on the inner race or you may damage the internal balls.

• Check the Shaft: If the old bearing failed, inspect the main shaft for wear or scoring. A damaged shaft will quickly destroy a new bearing.

Support & Warranty

• Expert help to choose the right RC ERA C189 spare parts
• 3-month warranty on manufacturing defects
• Ships worldwide

Other Related Parts

Need gears, shafts, servos, LEDs, batteries and more? Browse the full RC ERA C189 spare parts collection:
https://www.kidstoylover.com/collections/rc-era-c189-rc-helicopter-spare-parts-accessories