New Energy Vehicles

Exploring Critical Applications of Bearings in New Energy Vehicles – High-Performance Alternatives to SKF, NSK & FAG

As the global automotive industry accelerates toward electrification,new energy vehicles (NEVs)are redefining performance, efficiency, and reliability standards. At the heart of this transformation lie high-performance bearings—precision components that enable smooth, efficient, and durable operation across critical systems.

As a trusted bearing manufacturer, we specialize in producing premium-quality bearings that match or exceed the performance of leading international brands like SKF, NSK, and FAG—at competitive prices and with flexible customization options. In this guide, we’ll explore where bearings for new energy vehicles are used, what types are required, and how our solutions meet the unique demands of modern electric drivetrains.

1. Traction Motor Bearings: Speed, Insulation & Efficiency

The traction motor is the core of any NEV, often operating at speeds exceeding20,000 RPM. This places extreme demands on supporting bearings.

Recommended Bearing Types:
- Hybrid ceramic ball bearings(steel rings + Si₃N₄ ceramic balls)
- Electrically insulated deep groove ball bearings
Key Requirements:
- High-speed capability(dm⋅n>800,000)
- Electrical insulationto prevent electrical erosion (EDM)from inverter-induced currents
- Low friction & noisefor extended range and passenger comfort
- Long service lifeunder thermal cycling

Our Solution: We manufacture insulated hybrid ceramic bearingsandP5/P6 precision deep groove ball bearings specifically engineered for NEV traction motors—ideal replacements for SKF eDrive or NSK AEN series.

2. Reducer / Gearbox Bearings: Load Capacity & Durability

The electric drive reducer transmits torque from the motor to the wheels and must handle high radial and axial loads—especially during acceleration and regenerative braking.

Common Bearing Types:
- Tapered roller bearings
- Cylindrical roller bearings
- Four-point contact ball bearings(for differential units)
Critical Features:
- High static/dynamic load ratings
- Compact design for integrated e-axle systems
- Resistance to shock loads and vibration

Our Advantage: Our high-load tapered and cylindrical roller bearings are optimized for NEV reducers, offering FAG-equivalent performance with faster lead times and OEM flexibility.

3. Wheel Hub Bearings: Integration & Reliability

Modern NEVs use third-generation hub bearing units that combine bearing, flange, and sensor functions into a single sealed assembly.

Key Demands:
- Lightweight construction (to reduce unsprung mass)
- Pre-adjusted clearance & integrated ABS sensor compatibility
- Superior sealing against water, dust, and corrosion

Our Offering: We produce Gen-3 hub bearing units with enhanced rigidity and fatigue resistance—fully compatible with mainstream NEV platforms and available in custom configurations.

4. Auxiliary System Bearings: Miniaturization & Compatibility

From electric air conditioning compressors to e-water pumps and EPS steering motors, auxiliary systems rely on compact, quiet, and chemically resistant bearings.

Typical Bearings Used:
- Miniature deep groove ball bearings(stainless steel or coated)
- Shielded or sealed variantsfor maintenance-free operation
Special Requirements:
- Compatibility with refrigerants (e.g., R134a, R1234yf) and lubricants
- Ultra-low starting torque
- Quiet operation (<25 dB in some cases)

Custom Support: We supply miniature NEV auxiliary bearings tailored to your system’s chemical and thermal environment.

Why Choose Our Bearings Over SKF, NSK, or FAG?

While global brands dominate the market, many NEV manufacturers seek cost-effective, agile, and responsive alternatives without compromising quality. Here’s how we deliver:

Precision manufacturing(ISO 9001 certified, micron-level tolerances)
Advanced materials: High-purity steel, ceramic balls, PEEK cages, and insulation coatings
Full OEM/ODM services: From concept to mass production—including reverse engineering
Rigorous testing: Life cycle, noise, electrical insulation, and temperature validation
Competitive pricing & shorter lead times

We don’t just replicate—it’s about optimizing for your specific NEV application.

Custom OEM Bearing Solutions for New Energy Vehicles

Need a non-standard size? Unique sealing? Special coating? Integrated sensor?

We’ve got you covered.

Our engineering team collaborates closely with NEV Tier 1 suppliers and OEMs to develop custom bearing solutions that integrate seamlessly into:

Electric drive units (EDUs)
On-board chargers (OBCs)
Thermal management modules
And more

Whether you need 100 units for prototypingor1 million/year for serial production, we scale with your needs.