Blade Main tail Drive Gear (2): B450 (BLH1653)
$6.99
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Blade Main tail Drive Gear (2): B450 (BLH1653)
$6.99
Quad Pack
Includes four high quality bearings
Precision Fit
Engineered for E-flite B450
Smooth Motion
Reduces drivetrain friction and drag
Smooth Rotor PerformanceEssential Maintenance for Your Heli
Keep your RC helicopter operating smoothly with the official 4x8x3 Bearing (4) set. Specifically designed as a replacement component for the E-flite B450 electric helicopter, these high-grade ball bearings ensure efficient power delivery and reduced friction across critical rotating parts.
Precision Replacement BearingsRestore Peak Helicopter Rotor Efficiency
When performing routine maintenance or replacing worn drivetrain components on your E-flite B450 electric helicopter, exact tolerances are essential for flight stability. The 4x8x3 Bearing (4) pack delivers dependable performance with precision manufacturing (4mm internal diameter, 8mm external diameter, and 3mm thickness). Upgrading worn bearings minimizes motor strain, mitigates unwanted mechanical vibration, and extends overall drivetrain longevity.
Technical DimensionsComplete Size and Compatibility Info
Compatible Vehicles
E-flite B450 Electric Helicopter
Part Type
Ball Bearings
Material
Precision Steel
Dimensions
4x8x3mm
Quantity
4 Bearings
Bearing AttributesKey Details for Reliable Performance
CompatibilityExact fit replacement for the E-flite B450
Precision SizingStandardized 4mm x 8mm x 3mm dimensions
Package QuantitySet includes 4 individual ball bearings
Friction ReductionMinimizes drag for efficient mechanical operation
Durable ConstructionHigh-grade materials designed for long flight service life
Frequently Asked QuestionsEverything you need to know
Which models are compatible with the 4x8x3 Bearing (4)?
The 4x8x3 Bearing (4) set is designed as a direct OEM replacement part for the E-flite B450 electric helicopter.
How do I know when to replace the 4x8x3 Bearing (4) on my helicopter?
You should replace the 4x8x3 Bearing (4) if you detect gritty resistance when spinning components manually, notice excessive rotor head play, or hear unexpected squeaking noises during flight.
Are any special tools required to install the 4x8x3 Bearing (4)?
Standard hobby tools such as a bearing removal tool or small hex driver are typically all that is needed to properly remove old bearings and seat the new 4x8x3 Bearing (4) set into place.
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