China Professional High Precision Linear Motion Guide and Rail Hg45

Product Description

Product Description

The HG series linear guide rail is a 4 column single arc tooth contact linear guide rail, which integrates the optimized structural design of the overweight load precision linear guide rail. Compared with other linear guides, it improves the load and rigidity capacity; Equipped with 4 directional equal load characteristics and automatic centering function, it can absorb assembly errors on the installation surface and achieve high-precision demands.

product name Linear guide bearing linear guide block
material S55C
length 100-4000mm (can be cut into any length according to your needs)
Production lead time Sample 3-5 days, batch 7-20 days
application Tool machines, engraving machines, CNC machines, printing machines, woodworking machines, medical equipment, laser machines, paper processing machines

Product Parameters


1. High speed operation
2. Low friction and noise
3. High precision, durability, and reliability
4. Smooth movement
5. High transmission efficiency
6. No clearance and pre tightening

Detailed Photos

Company Profile

ZHangZhoug Weimute Technology Co., Ltd. was founded in 2016 and located in HangZhou, ZHangZhoug Province. Superior location and convenient transportation. We have extensive industry experience and are a trustworthy supplier. The company has advanced production equipment and skilled frontline employees. Our company mainly engages in the production and sales of linear motion bearing series, slider series, ball screw series, linear guide rail series, flange linear bearing series, cylinder linear guide rail series, joint bearing series, rod end bearing series, radial spherical bearing sliding bearing series, and wheel pin bearing series.Our company knows that its development depends on product innovation and quality. Therefore, our products have strict quality control from raw material procurement to finished product sales. The company has established a quality management system that meets the requirements of the international quality management system. The company continuously innovates according to market and customer needs, always maintaining the novelty and innovation of its products. Our company’s products are sold worldwide. The company has won unanimous recognition from consumers with satisfactory product quality and comprehensive after-sales service. We have a professional research and development team. We can accept OE M and ODM. We sincerely welcome friends from all over the world to visit our company and cooperate with us on the basis of long-term mutual benefit. We look CHINAMFG to receiving your inquiry soon.


Q1: Are you a trading company or a manufacturer?
A: We are a factory.

Q2: How long does your delivery time and shipping time take?
1. Sample delivery time: Generally 7 working days.
2. Production delivery time: 15-20 working days after receiving the deposit.

Q3: Can we provide free samples?
A: Yes, we provide the samples for free, but you will need to bear the shipping cost.

Q4: What payment methods are accepted?
A: We accept payment through TT (bank transfer), L/C, Western Union.

Q5: What are your strengths?
1. Manufacturers with the most competitive prices and good quality.
2. Perfect technical engineers provide you with the best support.
3. OEM available.
4. Rich inventory and fast delivery.

Q6. If you cannot find the product on our website, what should you do next?
A: Please send us an inquiry with product images and drawings via email or other means, and we will check.

Q7: When can I receive the quotation?
We usually provide a quotation within 24 hours after receiving your inquiry. If you are very eager to obtain a price, please call us or let us know in your email so that we can prioritize your inquiry.

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Application: Warehouse Crane, Shipboard Crane, Goods Yard Crane, Building Crane, Workshop Crane
Material: Alloy
Structure: Guide Rail and Slider
US$ 100/Piece
1 Piece(Min.Order)


Order Sample



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Shipping Cost:

Estimated freight per unit.

about shipping cost and estimated delivery time.
Payment Method:


Initial Payment

Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

linear rail

Can you explain the role of linear rails in reducing friction and wear in linear motion applications?

Linear rails play a pivotal role in reducing friction and wear in linear motion applications through several key mechanisms:

  • 1. Precision Design: Linear rails are precision-engineered with specific profiles and tolerances. The precise design minimizes contact points between the rail and the carriage, reducing friction and wear to a minimum during linear motion.
  • 2. Rolling Contact: Many linear rails utilize rolling contact elements, such as recirculating ball bearings or roller bearings. These elements roll along the profiled surface of the rail, significantly reducing friction compared to sliding contact. Rolling contact also distributes the load evenly, further minimizing wear on specific points.
  • 3. Low-Friction Coatings: Some linear rails feature low-friction coatings on their surfaces. These coatings, often made of materials like Teflon or similar compounds, create a smooth and slippery surface, reducing the coefficient of friction. This results in smoother linear motion and less wear on the rail and carriage components.
  • 4. Lubrication: Proper lubrication is essential for reducing friction and wear in linear motion systems. Lubricants applied to the rolling elements or the rail surface create a thin film that separates the moving parts, minimizing direct contact and friction. Regular lubrication intervals are crucial for maintaining optimal performance and extending the lifespan of the linear rail system.
  • 5. Sealing Mechanisms: Linear rails often incorporate sealing mechanisms to protect against contaminants. Dust, debris, and moisture can contribute to increased friction and wear. Effective sealing prevents the ingress of contaminants, preserving the integrity of the rail and reducing wear on critical components.
  • 6. Material Selection: The choice of materials for both the rail and carriage components influences friction and wear. High-quality materials with good wear resistance, such as hardened steel or specialized alloys, contribute to the long-term durability of the linear rail system.
  • 7. Regular Maintenance: Implementing a regular maintenance schedule is crucial for reducing friction and wear. Inspections, cleaning, and lubrication ensure that the linear rail system operates smoothly and efficiently. Identifying and addressing any signs of wear early can prevent more significant issues and extend the overall lifespan of the system.

By incorporating these design features and maintenance practices, linear rails effectively minimize friction and wear in linear motion applications. This not only enhances the efficiency and accuracy of the system but also contributes to the long-term reliability and durability of the linear rail.

linear rail

What are the typical load capacities and travel distances for linear rails?

The load capacities and travel distances for linear rails vary based on the specific design, size, and application requirements. Here are general considerations:

Load Capacities:

  • Light-Duty Applications: Linear rails in smaller sizes may be suitable for light-duty applications with load capacities ranging from a few hundred pounds to a few thousand pounds. These are commonly used in applications like 3D printers and light-duty automation systems.
  • Medium-Duty Applications: Linear rails in medium sizes are designed for applications with moderate load requirements. Typical load capacities for medium-duty linear rails range from a few thousand pounds to tens of thousands of pounds. These are often used in CNC machines, robotic systems, and material handling equipment.
  • Heavy-Duty Applications: Larger linear rails are built for heavy-duty applications with substantial load requirements. Load capacities for heavy-duty linear rails can extend into the hundreds of thousands of pounds. These are employed in industrial machinery, aerospace testing equipment, and other heavy-duty applications.

Travel Distances:

  • Short-Range Travel: Some linear rails are designed for short-range travel, with typical distances ranging from a few inches to a few feet. These are suitable for applications with limited linear motion requirements, such as in certain types of printing machinery.
  • Medium-Range Travel: Linear rails for medium-range travel cover distances from a few feet to several feet. These are commonly used in applications like CNC machines and automation systems where moderate linear motion is required.
  • Long-Range Travel: Linear rails with long-range travel capabilities are designed for applications where extensive linear motion is necessary. These can cover distances ranging from several feet to meters and are used in applications such as large-scale industrial automation and material handling systems.

It’s essential to consult manufacturer specifications and consider factors such as speed, acceleration, and environmental conditions when selecting linear rails to ensure they meet the specific load and travel requirements of a given application.

linear rail

Can you provide examples of products or equipment that rely on linear rails for accurate linear motion?

Many products and equipment across various industries rely on linear rails for accurate linear motion. Some examples include:

  • CNC Machines: CNC milling machines, lathes, and routers use linear rails to achieve precise and controlled movement of cutting tools, ensuring accurate machining processes.
  • Robotic Systems: Industrial robots, collaborative robots, and robotic arms incorporate linear rails for precise and repeatable linear movement in tasks such as assembly, pick-and-place, and material handling.
  • 3D Printers: Linear rails are essential components in 3D printers, enabling the precise positioning of print heads and build platforms during the additive manufacturing process.
  • Automated Conveyor Systems: Linear rails contribute to the accurate movement of products on conveyor systems in industries such as logistics, manufacturing, and distribution.
  • Medical Imaging Equipment: Linear rails are used in medical devices like MRI machines and CT scanners to ensure precise linear movement in the imaging process.
  • Aerospace Testing Equipment: Linear rails play a crucial role in aerospace testing equipment, providing accurate linear motion for testing components and systems under various conditions.
  • High-Precision Measurement Devices: Instruments used for precision measurements, such as coordinate measuring machines (CMMs), rely on linear rails to achieve accurate and repeatable positioning of measurement probes.

These examples highlight the diverse applications of linear rails across industries where precise linear motion is essential for the functionality and performance of the equipment.

China Professional High Precision Linear Motion Guide and Rail Hg45  China Professional High Precision Linear Motion Guide and Rail Hg45
editor by CX 2024-01-17