Axial-Radial Cylindrical Roller Bearings
Super-precision axial-radial cylindrical roller bearings are commonly used to support rotary tables, indexing heads and multi-spindle heads on machining centres. AMIGO manufactures super-precision axial-radial cylindrical roller bearings for shaft diameters from 80 to 850 mm. Their internal design, together with close tolerance manufacturing processes, enables these bearings to attain radial run-out better than, and axial run-out close to, P4 tolerance class.
- High load capacity
These bearings can accommodate radial, axial, and moment loads simultaneously, making them versatile for demanding applications. - Precision design
The bearings provide high rigidity and support for accurate load distribution, ensuring operational stability. - Compact structure
Designed with multiple raceways, they offer space-saving solutions for complex load handling. - Durability
Made with high-quality materials for enhanced wear resistance, ensuring a long service life.
AMIGO Axial-radial cylindrical roller bearings are widely used in various industries. Their availability matches their versatility across numerous applications in a wide range of designs, variants, and sizes. Examples of applications include:
- Machine tool spindles
- Rotary tables
- Industrial robots
- Precision indexing tables
- Milling and drilling machines
- High-precision positioning systems
- Aerospace applications
- Automation equipment
Axial-Radial Cylindrical Roller Bearings Size Chart
| Designation | d [mm] | D [mm] | H [mm] |
|---|---|---|---|
| NRT 80 C | 80 | 140 | 35 |
| NRT 80 C/G | 80 | 140 | 35 |
| NRT 100 C | 100 | 185 | 35 |
| NRT 100 C/G | 100 | 185 | 35 |
| NRT 120 C | 120 | 210 | 40 |
| NRT 120 C/G | 120 | 210 | 40 |
| NRT 150 C | 150 | 240 | 40 |
| NRT 150 C/G | 150 | 240 | 40 |
| NRT 180 C | 180 | 260 | 43 |
| NRT 180 C/G | 180 | 260 | 43 |
| NRT 200 C | 200 | 300 | 45 |
| NRT 200 C/G | 200 | 300 | 45 |
| NRT 260 C | 260 | 365 | 55 |
| NRT 260 C/G | 260 | 365 | 55 |
| NRT 325 C | 325 | 450 | 60 |
| NRT 325 C/G | 325 | 450 | 60 |
| NRT 395 C/GMAR1A | 395 | 525 | 65 |
| NRT 395 C/GMA1A | 395 | 525 | 65 |
| NRT 395 C/M1A | 395 | 525 | 65 |
| NRT 460 A | 460 | 600 | 70 |
Recommended Reading
Frequently Asked Questions (FAQs)
Q: What are the common applications for Axial-radial cylindrical roller bearings?
A: Common applications include rotary tables, machine tools, and industrial machinery where both radial and axial loads must be managed simultaneously.
Q: What materials are used in Axial-radial cylindrical roller bearings?
A: These bearings are typically made from high-quality steel with optimized surface finishes to ensure long service life and improved performance under heavy loads.
Q: What is the advantage of using Axial-radial cylindrical roller bearings in rotary tables?
A: These bearings provide high precision and stiffness, which are crucial for accurate positioning and operation of rotary tables.
Q: How do Axial-radial cylindrical roller bearings handle misalignment?
A: These bearings have an optimized internal design to accommodate slight misalignment while maintaining load capacity and operational performance.
Q: Can Axial-radial cylindrical roller bearings handle high rotational speeds?
A: Yes, they are designed to perform under high rotational speeds while ensuring low friction and minimal heat generation.
Q: What are the main load directions for Axial-radial cylindrical roller bearings?
A: These bearings can support both radial and axial loads in both directions, making them highly versatile for industrial applications.
Q: What are the lubrication requirements for Axial-radial cylindrical roller bearings?
A: Proper lubrication is essential for optimal performance, reducing friction and extending the bearing’s operational life.
Q: What is the difference between Axial-radial and standard cylindrical roller bearings?
A: Axial-radial bearings are specifically designed to handle axial loads in addition to radial loads, while standard cylindrical roller bearings primarily support radial loads.
Q: How do I choose the right size Axial-radial cylindrical roller bearing for my application?
A: The selection depends on the load capacity, dimensions, and rotational speed requirements of your application. It’s important to refer to manufacturer specifications for detailed guidance.