Electric Vehicle Industry Solutions

HCH provides automotive-grade precision bearing solutions for new energy vehicle powertrains, drive motors, reducers and EPS steering systems. IATF 16949:2025 certified, meeting high-speed, low-noise, long-life and high-reliability requirements. Deep groove ball bearings reach speeds up to 30,000 RPM with a design life of 20,000-50,000 hours, and full-batch life testing ensures automotive-grade reliability.

Core Application Scenarios & Bearing Selection

Application Scenario	Recommended Bearings	Key Features
Drive Motor	Deep Groove Ball Bearings	High speed up to 30,000 RPM, low noise and low vibration
Reducer / Gearbox	Tapered Roller Bearings, Deep Groove Ball Bearings	Combined high radial + axial load capacity, high rigidity
EPS Steering System	Deep Groove Ball Bearings, Four-Point Contact Bearings	Bidirectional axial load capacity, compact structure, low friction
Powertrain	Deep Groove Ball Bearings, Tapered Roller Bearings	Combined load capacity, low friction, high durability
On-Board AC Compressor	Deep Groove Ball Bearings, Four-Point Contact Bearings	High-speed quiet operation, refrigerant corrosion resistance, sealed against dust
Smart Cabin Long Slide Rail	Miniature Plastic-Coated Bearings	Low-noise smooth motion, corrosion resistance, compact and lightweight
Seat Cooling Fan	Miniature Bearings, Extra-Miniature Bearings	Ultra-quiet, long life, low vibration

Automotive-Grade Key Requirements

High Speed

Drive motor bearings up to 30,000 RPM with low heat generation and controlled temperature rise under high-speed operation.

Low Noise & Low Vibration

Precision grinding processes and strict vibration-grade control meet automotive NVH requirements.

Long Life

Design life of 20,000-50,000 hours under standard conditions, backed by full-batch life testing.

High Reliability

Life and reliability testing for every batch with a zero-defect outgoing standard.

IATF 16949 Automotive System

Certified to the IATF 16949:2025 automotive quality management system with full traceability.

CNAS Laboratory Testing

CNAS-accredited laboratory issues inspection reports for dual verification of accuracy and performance.

Why Choose HCH

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IATF 16949:2025

Certified to the latest automotive quality standard

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300+ Smart Production Lines

Automated production ensures consistency

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800 Million Sets/Year

Scaled delivery for stable supply

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CNAS-Accredited Laboratory

Authoritative, traceable test reports

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Global Leading Customers

Supplying Bosch / Siemens / Brose / Nidec

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50 Years of Manufacturing

Deep experience in the bearing industry

Contact Sales for Automotive-Grade Bearing Solutions

The HCH technical team provides bearing selection, testing and volume supply solutions for new energy vehicle drive motors, reducers and EPS steering systems.

Contact Sales Now