Product Overview
The SFNUR4010 Ball Screw is an internal circulation flange-type ball screw engineered for heavy-load, high-stability, and precision linear motion applications. With a nominal screw diameter of 40 mm and a lead of 10 mm, it provides efficient conversion of rotary motion into smooth and accurate linear movement.
Compared with conventional lead screws, the SFNUR series utilizes rolling ball contact technology to significantly reduce friction, improve transmission efficiency, and extend service life while maintaining excellent positioning performance.
Manufactured from premium alloy steel and processed through precision machining and heat treatment technology, the SFNUR4010 delivers outstanding rigidity, wear resistance, and long-term operational reliability under demanding industrial environments.
It is an ideal solution for automation systems, CNC equipment, precision machinery, and applications requiring stable movement under higher loads.
Basic Specifications
| Item | Specification |
| Model | SFNUR4010 |
| Screw Diameter | Φ40 mm |
| Lead | 10 mm |
| Nut Type | Flange Type / Internal Circulation |
| Accuracy Grade | C7 / C5 (Optional) |
| Preload | Optional |
| Material | High-Strength Alloy Steel |
| Manufacturing Process | Precision Ground / Rolled |
| Surface Treatment | Heat Treatment |
| Lubrication Method | Grease / Lubricating Oil |
| Installation Method | Fixed End + Support End |
| Length Customization | Available |
| End Machining | Supported |
| Performance Characteristics | High Rigidity / Heavy Load |
Note: Actual dimensions, load capacity, and performance values may vary depending on product configuration and customization requirements.
Product Advantages
1. High Rigidity Structure
The 40 mm screw diameter provides enhanced structural strength and excellent resistance to deformation during operation.
2. Superior Load Capacity
Designed for applications with larger axial loads and continuous industrial operation requirements.
3. High Transmission Efficiency
Rolling contact technology minimizes friction and improves motion efficiency while reducing power consumption.
4. Stable Positioning Accuracy
Optimized ball circulation design ensures smooth operation and reliable positioning repeatability.
5. Long Service Life
Heat-treated alloy steel and precision manufacturing improve durability and wear resistance.
6. Flexible System Compatibility
Can be integrated with support units, couplings, linear guide systems, and complete automation assemblies.
Applications
SFNUR4010 Ball Screw is widely used in:
CNC Machine Tools
Industrial Automation Equipment
Laser Cutting Systems
Robotics and Motion Platforms
Semiconductor Manufacturing Equipment
Packaging Machinery
Heavy-Duty Positioning Systems
Material Handling Equipment
Woodworking Machines
Precision Assembly Equipment
Suitable for industrial applications requiring high rigidity, stable transmission, and continuous operation.
After-Sales Service
We provide complete technical and after-sales support to ensure long-term operational reliability:
✓ Product Selection Assistance
✓ Installation Guidance
✓ Technical Consultation
✓ Drawing Verification Support
✓ Maintenance Recommendations
✓ Quality Issue Response Service
✓ Long-Term Spare Parts Supply
Our engineering team supports customers throughout product selection, installation, and operation.
Customization Services
To meet different project requirements, we support:
Custom Screw Length
End Machining Processing
Accuracy Grade Selection
Nut Structure Customization
Preload Adjustment
Surface Treatment Options
Complete Motion Assembly Supply
OEM / ODM Production
Batch Order Manufacturing
Provide drawings or technical requirements for customized production evaluation.
FAQ
Q1: What does SFNUR4010 mean?
A: "40" indicates a screw diameter of 40 mm, and "10" means a lead of 10 mm, allowing the nut to travel 10 mm per revolution.
Q2: Is SFNUR4010 suitable for heavy-load applications?
A: Yes. The larger diameter design improves rigidity and enables higher load capacity for demanding industrial environments.
Q3: Can custom machining services be provided?
A: Yes. Customized end machining and non-standard processing are supported according to customer drawings.
Q4: Can complete transmission assemblies be supplied?
A: Yes. Complete solutions including ball screw, support units, couplings, and related accessories are available.
Q5: Which accuracy grade should I choose?
A: C7 is suitable for standard automation equipment, while C5 is recommended for higher positioning precision.
Q6: Is lubrication applied before shipment?
A: Pre-lubrication services are available upon request and can be customized according to application requirements.
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