NNUD 6056 ECMAS/P53 280x420x250 Bearing
Four-Row Cylindrical Roller Bearings
The NNUD 6056 ECMAS/P53 Four-Row Cylindrical Roller Bearing is a high-performance solution designed for demanding industrial applications. Known for its excellent load-carrying capacity, this bearing is built to handle both radial and axial loads efficiently. Its four-row design ensures optimal load distribution, minimizing wear and extending operational life. The precision engineering of the NNUD 6056 ECMAS/P53 makes it ideal for use in rolling mills, paper machines, and other heavy-duty machinery. This bearing guarantees smooth, reliable performance, even under high-speed conditions, reducing downtime and enhancing productivity.
Performance Overview of the NNUD 6056 ECMAS/P53 Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO NNUD 6056 ECMAS/P53 | Interchangeable With: SKF NNUD 6056 ECMAS/P53 |
| Bore diameter | 280 mm |
| Outside diameter | 420 mm |
| Width | 250 mm |
| Basic dynamic load rating | 3,690 kN |
| Basic static load rating | 6,550 kN |
| Reference speed | 630 r/min |
| Limiting speed | 0 r/min |
| Bearing part | Complete bearing |
| Number of rows | 4 |
| Locating feature, bearing outer ring | None |
| Bore type | Cylindrical |
| Cage | Machined metal |
| Number of flanges, outer ring | 5 |
| Number of flanges, inner ring | 0 |
| Loose flange | None |
| Radial internal clearance | C3 |
| Tolerance class | Class 5 (P5) |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Dimensions(mm) | 280x420x250 |
| Specifications | Details |
|---|---|
| Brand | AMIGO NNUD 6056 ECMAS/P53 | Interchangeable With: SKF NNUD 6056 ECMAS/P53 |
| Bore diameter | 11.024 in |
| Outside diameter | 16.535 in |
| Width | 9.843 in |
| Basic dynamic load rating | 829,545 lbf |
| Basic static load rating | 1,472,499 lbf |
| Reference speed | 630 r/min |
| Limiting speed | 0 r/min |
| Bearing part | Complete bearing |
| Number of rows | 4 |
| Locating feature, bearing outer ring | None |
| Bore type | Cylindrical |
| Cage | Machined metal |
| Number of flanges, outer ring | 5 |
| Number of flanges, inner ring | 0 |
| Loose flange | None |
| Radial internal clearance | C3 |
| Tolerance class | Class 5 (P5) |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Dimensions(in) | 11.024x16.535x9.843 |
Specifications Overview of the NNUD 6056 ECMAS/P53 Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 280 mm |
| Outside diameter | 420 mm |
| Total bearing width over inner ring(s) | 250 mm |
| Total bearing width over outer ring(s) | 250 mm |
| Outer ring shoulder diameter | ≈ 377.8 mm |
| Raceway diameter inner ring | 314 mm |
| Corner radius/chamfer inner ring | min. 4 mm |
| Chamfer dimension on the outer ring | min. 4 mm |
| Permissible axial displacement | 3 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 11.024 in |
| Outside diameter | 16.535 in |
| Total bearing width over inner ring(s) | 9.843 in |
| Total bearing width over outer ring(s) | 9.843 in |
| Outer ring shoulder diameter | ≈ 14.874 in |
| Raceway diameter inner ring | 12.362 in |
| Corner radius/chamfer inner ring | min. 0.157 in |
| Chamfer dimension on the outer ring | min. 0.157 in |
| Permissible axial displacement | 0.118 in |
Applicable Machines and Industries
1. Steel Rolling Mills
- Role: NNUD 6056 ECMAS/P53 bearings are used to support heavy radial loads and ensure smooth rotation of rolls in steel rolling mills, allowing for high precision and performance under extreme loads.
- Replaceable Bearing Brands/Series: SKF NNUD 6056 ECMAS/P53
2. Paper Manufacturing Machines
- Role: These bearings provide stable and reliable support for large rollers that handle heavy paper rolls, ensuring long-lasting performance and minimal downtime during high-speed operations.
- Replaceable Bearing Brands/Series: SKF NNUD 6056 ECMAS/P53
3. Cement Kilns
- Role: In cement kilns, the NNUD 6056 ECMAS/P53 bearings handle high radial loads and harsh operating environments, providing essential support for the rotating kiln components.
- Replaceable Bearing Brands/Series: SKF NNUD 6056 ECMAS/P53
4. Mining Conveyors
- Role: Used in mining conveyor systems, these bearings ensure the smooth rotation of heavy-duty conveyor belts, which transport raw materials such as ore and minerals in harsh conditions.
- Replaceable Bearing Brands/Series: SKF NNUD 6056 ECMAS/P53
5. Plastic Extrusion Machines
- Role: NNUD 6056 ECMAS/P53 bearings provide high-precision support for the rotating screw and barrel assemblies, ensuring smooth and efficient extrusion of plastic materials.
- Replaceable Bearing Brands/Series: SKF NNUD 6056 ECMAS/P53
6. Wind Turbines
- Role: These bearings are used in wind turbine gearboxes, offering high-load capacity and long service life to withstand fluctuating forces generated by wind conditions.
- Replaceable Bearing Brands/Series: SKF NNUD 6056 ECMAS/P53
7. Railway Axle Bearings
- Role: NNUD 6056 ECMAS/P53 bearings are critical in railway axle systems, providing support for heavy radial loads and ensuring the smooth operation of wheelsets.
- Replaceable Bearing Brands/Series: SKF NNUD 6056 ECMAS/P53
NNUD 6056 ECMAS/P53 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| SKF | NNUD 6056 ECMAS/P53 |
| Amigo | NNUD 6056 ECMAS/P53 |
This table summarizes the bearing cross-reference and interchange guide for the NNUD 6056 ECMAS/P53 Four-Row Cylindrical Roller Bearings. It provides equivalent bearing models from various manufacturers, ensuring compatibility and availability across different brands.
Choosing the Right Bearing
When comparing the Amigo NNUD 6056 ECMAS/P53 bearing to other similar models, several key advantages make it the superior choice for various applications:
When to Choose Amigo NNUD 6056 ECMAS/P53?
- High Load Capacity: Choose this bearing when handling very heavy radial loads, such as in steel rolling mills or mining conveyors.
- Long Service Life: For applications where bearing longevity is crucial, such as paper manufacturing or wind turbines.
- High-Speed Applications: Suitable for machines that operate at higher speeds, like plastic extrusion equipment.
- Low Maintenance: If the system requires minimal relubrication, Amigo NNUD 6056 ECMAS/P53 provides reliable performance without frequent maintenance.
- Precision Engineering: Ideal for precise industrial applications, ensuring smooth performance under fluctuating conditions.
The Amigo NNUD 6056 ECMAS/P53 stands out with its high load capacity and machined metal construction, providing superior durability and strength. Its C3 clearance ensures smooth operation under heavy loads and high speeds. Unlike other models with sealed lubrication, this model offers versatility for users preferring to apply their own lubrication when necessary, resulting in easier maintenance and reduced costs. ​
| Feature | Amigo NNUD 6056 ECMAS/P53 | SKF NNUD 6056 ECMAS/P53 |
|---|---|---|
| Load Rating (kN) | 6550 | 6550 |
| Speed (r/min) | 630 | 630 |
| Material | Machined Metal | Machined Metal |
| Clearance | C3 | C3 |
| Lubrication | None | None |
| Tolerance Class | Class 5 (P5) | Class 5 (P5) |
| Number of Rows | 4 | 4 |
| Relubrication Feature | Without | Without |
Recommended Products for Optimal Performance
Enhance your bearing operations with these related products:
Why Amigo NNUD 6056 ECMAS/P53 Bearings Are the Top Choice
I recently switched to the Amigo NNUD 6056 ECMAS/P53 bearings for our steel mill machines, and they are incredible. The performance is on par with the SKF bearings we used before, handling high loads effortlessly. It's hard to tell the difference between Amigo and more expensive brands—definitely a great value!
Nolan Fitzgerald
We’ve been using the Amigo NNUD 6056 ECMAS/P53 bearings in our manufacturing plant for a few months, and the quality is exceptional. They feel just as durable and reliable as FAG bearings we've used in the past, providing consistent performance under high stress. Highly recommended for anyone seeking premium quality at a reasonable price.
Caden Olivier
Our company replaced the old bearings in our paper mill with Amigo NNUD 6056 ECMAS/P53 bearings, and they have been fantastic! The installation went smoothly, and the performance has been indistinguishable from other premium brands like NSK. It's great to have such a dependable product without the extra cost!
Isabella Hughes
I was a bit skeptical about switching from SKF to Amigo bearings, but after trying the NNUD 6056 ECMAS/P53, I am thoroughly impressed. They’ve performed just as well in our mining equipment, handling high loads with ease. The quality is top-notch, and you can't beat the price for such excellent performance!
Liam Morgan
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