Overview
The HPI Racing 10x15x4mm Ball Bearings (2-Pack) are genuine factory replacement bearings engineered for smooth, low-friction rotation in HPI RC vehicle drivetrains, wheels, and gearboxes.
Replacing worn or contaminated bearings is one of the most impactful maintenance tasks for any RC — restoring efficiency, reducing drag, and protecting drivetrain components.
Key Features
- Genuine HPI Racing replacement bearings
- Precision-ground steel races
- Sealed/shielded for dirt protection
- Standard 10x15x4mm metric size
- Sold as a 2-piece set
Performance Benefits
- Reduces drivetrain drag
- Improves runtime and top speed
- Protects shafts and gears from wear
- Restores factory-smooth rotation
Usage Notes
- Replace bearings in pairs for balanced wear
- Clean and re-oil periodically (or replace if seals fail)
- Use a bearing puller for stuck units
Technical Specs
- Type: Ball Bearing
- Inner Diameter: 10mm
- Outer Diameter: 15mm
- Width: 4mm
- Quantity: 2 pieces
- Manufacturer: HPI Racing
What's Included
- (2) HPI Racing 10x15x4mm Ball Bearings
Fitment
- Compatible with HPI RC vehicles using 10x15x4mm bearings
- Common drivetrain and gearbox applications
Summary
Restore drivetrain smoothness and efficiency with these genuine HPI 10x15x4mm bearings — a simple maintenance upgrade that pays dividends in runtime and performance.
