| Customization: | Available |
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| Feature: | Corrosion Resistant, High Temperature, High Speed |
| Function: | Ordinary |
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WHAT IS LINEAR RAIL BEARING?
A Linear Rail Bearing (also known as a Linear Motion Bearing or Linear Guide Bearing) is a type of bearing designed to facilitate smooth, precise, and low-friction linear motion along a straight path. It is a key component in linear motion systems, commonly used in applications where accurate movement and positioning are required.Linear Rail (Guide Rail): A hardened and precision-ground rail that provides a straight and rigid track for the bearing to move along.
Linear Bearing Block: The component that houses the rolling elements (balls or rollers) and moves along the rail. It attaches to the machine or equipment that needs to move linearly.
Rolling Elements: Balls or rollers inside the bearing block that reduce friction and enable smooth motion.
Seals and End Caps: Protect the bearing from contaminants and retain lubrication.
The linear bearing block slides or rolls along the linear rail, guided by the precision-ground surface of the rail.
The rolling elements (balls or rollers) inside the bearing block minimize friction, allowing for smooth and precise linear movement.
The system is often preloaded to reduce play and improve accuracy.
High Precision: Provides accurate and repeatable linear motion.
Low Friction: Rolling elements reduce resistance, enabling smooth movement.
High Load Capacity: Can handle both radial and axial loads.
Rigidity: The rail and bearing block are designed to withstand heavy loads without deformation.
Durability: Made from high-quality materials (e.g., hardened steel) for long service life.
Linear rail bearings are widely used in industries and equipment that require precise linear motion, such as:
CNC machines
3D printers
Robotics
Automation systems
Medical devices
Packaging machinery
Semiconductor manufacturing equipment
Ball-Type Linear Bearings: Use balls as rolling elements; suitable for high-speed and low-friction applications.
Roller-Type Linear Bearings: Use cylindrical or needle rollers; ideal for higher load capacities.
Profile Rail Guides: Heavy-duty systems with high precision and rigidity.
Round Rail Guides: Simpler design, often used in lighter-duty applications.
Linear rail bearings are essential for achieving precise, reliable, and efficient linear motion in modern machinery and automation systems.
Granville
Granville, as a manufacturer of high-quality products, guarantees compliance with the highest standards relative to the use of the best steel quality in the production process, the highest standards in the design of contact surfaces, as well as the most efficient packing and lubrication of parts.
From material coming, quality control through all processes except internal test, goods to third party inspection if required. After the center of inspection and experiment is founded, effective methods of inspecting all kinds of row materials are mastered and then the reliability of bearings is ensured.
One of our main objectives is the continued improvement in the quality of our products and processes, in pursuit of which we obtained ISO certification 9001:2008 and TS16949.
The factory spares no effort to introduce the world's leading bearing manufacturing technology and equipment, and widely adopts CNC automated production lines, which is now among the most advanced equipment and technology in China's bearing manufacturing industry.
The ball bearing manufacturing division of Granville offers a comprehensive range of radial deep groove ball bearings covering open, shielded, sealed, chrome steel and stainless steel materials to meet the needs of different customers.
| Product Offering | |
| Bore size | 3mm and up |
| Closures | Open Non-contact metallic shields Non-contact seals Contact seals |
| Ring Material | 52100 chrome steel 440C stainless steel 420C stainless steel |
| Seal Materiial | Nitrile, Polyacrylic, Fluorine |
| Retainer | Riveted steel Crimped steel Crowned steel Crowned nylon |
| Precision Class | ABEC-1, ABEC-3, ABEC-5, ABEC-7 |
| Radial Clearance | C2, C0, C3, C4, C5 |
| Heat Stabilization | S0, S1, S2, S3 |
| Advantage Manufacturing Processes and Quality Control | |
| 01 | Heat Treatment |
| 02 | Centerless Gringing Machine 11200(most advanced) |
| 03 | Automatic Production Lines for Raceway |
| 04 | Automatic Production Lines for Raceway |
| 05 | Ultrasonic Cleaning of Rings |
| 06 | Automatic Assembly |
| 07 | Ultrasonic Cleaning of Bearings |
| 08 | Automatic Greasing,Seals Pressing |
| 09 | Measurement of Bearing Vibration(Acceleration) |
| 10 | Measurement of Bearing Vibration(speed) |
| 11 | Laser Marking |
| 12 | Automatic Packing |
| Packing | 1.Industrial exporting package |
| 2.Individual plastic / carton / pallet | |
| 3.As the customer's requirements | |
| Delivery date | 30-60 days for normal order |
Company Profile
Granville group start in London and in order to adapt to the international market situation and enterprise development, Granville gradually oriented to global markets through resource integration, the Granville's businesses are present across five continents. We operate in four industry clusters: Components for Industry and automotive; Machine tools and mechatronics; Energy and New Materials, and Healthcare.
Comprehensive product range:
--- Bearings
--- Oil seals, Transmission belt
--- Chain and Sprocket
--- Hub assembly & Wheel bearings
--- Coupling, castings
--- Linear motion
Values
--- Behavior-based, service-oriented, focused on results and committed to continuous improvement
Focus
--- supply chain management and customer service
Advantages
1. Advanced Automatic Lines
2. Comprehensive Range
3. Premium Quality
4. Sustainability
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