Ceramic Bearing, Steel Ball, Insert Bearing

About DEMY Bearings

A trusted name in precision engineering and bearing technology with a global footprint.

Welcome to Demy Bearings

DEMY (D&M) BEARINGS CO., LTD is a prominent manufacturer and exporter of ball and roller bearings based in China. Our company is dedicated to extensive research and development, ensuring consistent production of high-precision, long-lasting, and low-noise bearings for various applications.

In addition to our expertise in bearings, we have expanded our business to include sales and consultation of motorcycle parts and hardware such as former holder sets and roller conveyor chains. Trust us as your reliable partner for all your bearing and hardware needs.

ISO-Certified Manufacturing
Global Export Network
R&D Focused Innovation
Custom Engineering Support

Why Choose DEMY Bearings?

We combine precision engineering, quality materials, and customer-first service to deliver unmatched value.

High Precision & Reliability

Our bearings are engineered for high precision, low noise, and long life. We use only the highest quality materials and strict quality control throughout manufacturing.

Customization & Flexibility

We offer customization options for size, material, and design. Our engineers work closely with clients to meet exact specifications and exceed expectations.

Sustainable Manufacturing

We minimize our environmental impact through energy-efficient machinery, waste reduction, and recycling. Sustainability is part of our core values.

With decades of experience, a commitment to innovation, and a global customer base, DEMY Bearings stands as a trusted partner in motion technology. Whether you're in automotive, agriculture, mining, or industrial automation, we deliver performance you can count on.

Our Product Range

High-performance bearings engineered for durability, precision, and reliability across industries.

Ceramic Bearing

Deep groove and angular contact types with high speed, low friction, and corrosion resistance.

High Speed

Angular Contact Ball Bearing

D 10-130mm, extra high-speed series. Ideal for precision machinery and motors.

Precision

Spherical Roller Bearing

D 150-200mm and larger. Designed for heavy loads and misalignment tolerance.

Heavy Duty

Double Row Cylindrical Roller Bearing

D 220-1500mm. High radial load capacity for industrial applications.

Industrial

Auto Bearing

W N Series, WKN Series, WK Series. Designed for automotive transmission and wheel systems.

Automotive

Agricultural Bearing

Double row tapered roller bearings (D 280-1450mm). Built for farm machinery durability.

Agriculture

Air Condition Bearing

Optimized for HVAC systems with low noise and long service life.

HVAC

Motorcycle Parts & Hardware

Former holder sets, clutch release bearings, and roller conveyor chains.

Motorcycle

Clutch Release Bearing

High-performance release bearings for automotive and industrial clutches.

Clutch

Adapter Sleeve

H Series and H/Oh Series (D1=12-170mm). For precise shaft mounting.

Mounting

Oil-Free Self-Lubricating Bearings

Maintenance-free operation in harsh or inaccessible environments.

Self-Lubricating

Non-Standard Bearings

Custom-engineered solutions for unique applications and OEM requirements.

Custom

Frequently Asked Questions

What industries do DEMY bearings serve?

Our bearings are used in automotive, agriculture, mining, HVAC, industrial machinery, electric tools, and motorcycle applications.

Can you customize bearings for specific requirements?

Yes, we offer full customization for size, material, seals, preload, and design. Our engineering team works directly with clients to deliver tailored solutions.

What is the advantage of ceramic bearings?

Ceramic bearings offer higher speed capability, lower friction, reduced weight, and better corrosion resistance compared to all-steel bearings.

Do you provide technical support?

Yes, our experienced technical team provides consultation, installation guidance, and troubleshooting support to ensure optimal performance.

What certifications do you hold?

We follow international quality standards in manufacturing. Our processes emphasize precision, consistency, and reliability across all product lines.

Get in Touch

Reach out to us for product inquiries, technical support, or partnership opportunities.

Contact Information

Address

B.515-516, No.39, Lane 158, west of HuanCheng rd, Ningbo, China.

Phone

+86-13586843634

info@demybearings.com

Send Us a Message

For inquiries, please visit the official DEMY Bearings website to submit your request. Our team responds within 24 hours.

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Precision Bearings for Demanding Applications