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Precision Bearings for Industry & Innovation

Demy Bearings manufactures high-precision, long-life ball and roller bearings trusted globally in automotive, industrial, and specialized machinery applications. ISO/TS16949 certified with 100 million units annual capacity.

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About Demy Bearings

DEMY (D&M) BEARINGS CO., LTD is one of the leading ball & roller bearing manufacturers and exporters in China. Specializing in research and development of high-precision, noise-free, long-life bearings, we serve industries ranging from automotive to heavy machinery.

Our factory, Ningbo Giant Bearing Manufacturing Co., Ltd., operates under the ISO/TS16949:2009 quality management system. Equipped with over 100 sets of automatic grinding and assembly lines, we maintain an annual production capacity of 100 million bearing units.

100M+

Annual Units Produced

ISO/TS16949

Quality Certified

Demy Bearings Factory

Our Product Range

From standard deep groove ball bearings to custom non-standard solutions, Demy Bearings delivers precision-engineered components for diverse industrial needs.

Deep Groove Ball Bearing

Deep Groove Ball Bearing

Versatile design supporting radial and axial loads. Ideal for motors, appliances, and industrial equipment.

Ball Bearing
Tapered Roller Bearing

Tapered Roller Bearing

Handles combined radial and axial loads. Common in automotive wheel hubs and gearboxes.

Roller Bearing
Wheel Bearing

Wheel Bearing

High-precision unit for automotive wheels, ensuring smooth rotation and safety under load.

Auto Bearing
Motor Bearing

Motor Bearing

Optimized for electric motors, offering low noise, high speed, and long service life.

Motor Bearing
Cylindrical Roller Bearing

Cylindrical Roller Bearing

High radial load capacity with single or double row configurations. D 50-460mm range.

Roller Bearing
Clutch Release Bearing

Clutch Release Bearing

Durable design for smooth clutch engagement in manual transmission systems.

Auto Bearing
Stainless Steel Bearing

Stainless Steel Bearings

Corrosion-resistant for food processing, marine, and chemical environments.

Specialty
Oil-Free Self-Lubricating Bearing

Oil-Free Self-Lubricating

Maintenance-free operation with embedded lubricants. Ideal for hard-to-reach areas.

Specialty
Non-Standard Bearing D 15-25

Non-Standard Bearing D 15-25

Custom-engineered solutions for unique applications requiring specific dimensions.

Custom
Thrust Ball Bearing

Thrust Ball Bearing

Supports high axial loads in low-speed applications like crane hooks and turntables.

Ball Bearing
Water Pump Bearing

Water Pump Bearing

Sealed design for durability in wet and high-temperature environments.

Auto Bearing
Ceramic Bearing

Ceramic Bearing

Ultra-light, high-speed, and electrically insulating. Perfect for high-performance motors.

Specialty
View All 26 Categories

Why Choose Demy Bearings?

ISO/TS16949 Certified

Quality management system compliant with automotive industry standards.

High-Speed Performance

Engineered for smooth operation at high RPMs with minimal vibration and noise.

Long Service Life

Precision materials and heat treatment ensure extended operational durability.

Global Export Ready

Trusted by clients worldwide with reliable packaging and logistics support.

100M+
Bearings Produced Annually
50+
Countries Served
15+
Years in Industry

Frequently Asked Questions

What types of bearings does Demy manufacture?

Demy produces a wide range including ball bearings (deep groove, angular contact, thrust), roller bearings (tapered, cylindrical, spherical), auto bearings (wheel, water pump, clutch), motor bearings, stainless steel, ceramic, and non-standard custom bearings.

Are your bearings ISO certified?

Yes, our factory Ningbo Giant Bearing Manufacturing Co., Ltd. is certified under ISO/TS16949:2009, ensuring compliance with automotive quality management standards.

Can you produce custom or non-standard bearings?

Absolutely. We specialize in non-standard bearing solutions, including custom dimensions like our D 15-25 series, and can engineer bearings to meet specific application requirements.

What is the typical lead time for orders?

Standard products are typically shipped within 15-20 days. Custom orders may vary based on complexity and volume. We provide exact timelines during quotation.

Do you offer samples?

Yes, we provide samples for evaluation. Contact us with your requirements and we’ll arrange sample shipment upon confirmation.

Get in Touch

For inquiries about our products or pricelist, please visit our official website to contact us. We respond to all inquiries within 24 hours.

Visit Official Website

Phone

+86-15990260649

Email

info@demy-bearing.com

WhatsApp

+86-15990260649

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