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Precision Bearings &
Linear Guide Systems

High-performance components for automation, machinery, and industrial applications.

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About Demark

DEMARK (Beijing) Automation Technology Co., Ltd. is a leading supplier engaged in the production and sale of automatic product accessories, including precision bearings, bearing balls, linear guide rails, and blocks. With a strong focus on quality and innovation, we serve industries ranging from automation to automotive and consumer electronics.

Our mission is to deliver reliable, high-performance mechanical components that enhance efficiency and durability in every application.

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About Demark Tech

Our Products

Engineered for precision, durability, and performance across a wide range of industrial and mechanical applications.

Deep Groove Ball Bearing 6200 Series

Deep Groove Ball Bearing 6200 Series

High-speed, low-noise bearings ideal for electric motors, household appliances, and power tools.

Linear Guide Rail HG Series

Linear Guide Rail HG Series

Precision linear motion systems for CNC machines, laser cutters, and automation equipment.

Chrome Steel Balls G10

Chrome Steel Balls G10

Ultra-precise steel balls used in bearings and linear guide blocks for smooth operation.

Linear Guide Block HGH HGW Series

Linear Guide Block HGH/HGW Series

High-load capacity blocks designed for compatibility with HG series rails.

Micro Ball Bearings 681Xzz

Micro Ball Bearings 681Xzz

Miniature bearings for compact devices, drones, and precision instruments.

Water Pump Bearing

Water Pump Bearing

Corrosion-resistant bearings designed for water pumps in automotive and industrial systems.

Roller Skater Board Bearing 608zz

Roller Skater Board Bearing 608zz

Durable, high-speed bearings for skateboards, inline skates, and sports equipment.

Stainless Rod End Bearings

Stainless Rod End Bearings

Corrosion-resistant joints for steering, linkages, and control systems.

Bearing With Blocks UCP UCF CUT

Bearing Units (UCP/UCF/CUT)

Housings with insert bearings for easy mounting in conveyors, fans, and agricultural machinery.

Lazy Susan Bearing

18 Inch Lazy Susan Bearing

Smooth rotating bearings for turntables, dinner tables, and display systems.

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Applications

Our components power innovation across industries.

Linear Guide Applications

  • • Laser cutting machines
  • • CNC routers and milling machines
  • • Automated assembly lines
  • • Bending and stamping machines
  • • 3D printers and robotics

Bearing Applications

  • • Automobiles and motorcycles
  • • Household appliances (fans, washing machines)
  • • Electric tools and power drills
  • • Sewing machines and office equipment
  • • Sports and recreational devices

Latest News

Insights and market trends in the bearing and automation industry.

Global Engine Bearing Market 2020–2025

The global engine bearing market is projected to grow significantly by 2025, driven by increasing demand in automotive and industrial sectors. Key players are focusing on innovation and material efficiency to meet evolving standards.

Read more on demarktech.com

Railway Bearing Market 2021 Growth Insights

With expanding rail infrastructure globally, the railway bearing market is witnessing steady growth. Companies like Harbin Bearing and KKT BEARING are leading innovations in durability and load capacity.

Read more on demarktech.com

Global Super Precision Bearing Market Analysis 2020

Super precision bearings are gaining traction in aerospace, medical devices, and high-end manufacturing. The report highlights trends in miniaturization, material science, and performance optimization.

Read more on demarktech.com

Product Videos

See our components in action.

Contact Demark

Reach out for inquiries, quotes, or technical support.

Email: [email protected]

Phone: +86-010-86464524

Mobile: +86-186-1124-4924

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