NU210 50x90x20 Bearing
Single Row Cylindrical Roller Bearing
The NU210 Single Row Cylindrical Roller Bearing is a high-performance bearing designed for demanding industrial applications. With dimensions of 50x90x20 mm, this bearing is ideal for handling heavy radial loads while allowing for axial displacement in both directions. Its robust construction features a machined metal cage that ensures durability and long service life. The bearing operates efficiently at high speeds, with a limiting speed of up to 9,000 r/min. The NU210 is interchangeable with similar models from leading brands, making it a versatile choice for gearboxes, electric motors, and other machinery requiring reliable performance under heavy load conditions.
Performance Overview of the NU210 Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO NU210 | Interchangeable With: SKF NU210 |
| Bore diameter | 50 mm |
| Outside diameter | 90 mm |
| Width | 20 mm |
| Basic dynamic load rating | 73.5 kN |
| Basic static load rating | 69.5 kN |
| Reference speed | 8,500 r/min |
| Limiting speed | 9,000 r/min |
| Bearing part | Complete bearing |
| Axial displacement capability | In both directions |
| Number of rows | 1 |
| Locating feature, bearing outer ring | None |
| Bore type | Cylindrical |
| Cage | Machined metal |
| Number of flanges, outer ring | 2 |
| Number of flanges, inner ring | 0 |
| Loose flange | None |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Product net weight | 0.556 kg |
| Specifications | Details |
|---|---|
| Brand | AMIGO NU210 | Interchangeable With: SKF NU210 |
| Bore diameter | 1.969 in |
| Outside diameter | 3.543 in |
| Width | 0.787 in |
| Basic dynamic load rating | 16,523 lbf |
| Basic static load rating | 15,624 lbf |
| Reference speed | 8,500 r/min |
| Limiting speed | 9,000 r/min |
| Bearing part | Complete bearing |
| Axial displacement capability | In both directions |
| Number of rows | 1 |
| Locating feature, bearing outer ring | None |
| Bore type | Cylindrical |
| Cage | Machined metal |
| Number of flanges, outer ring | 2 |
| Number of flanges, inner ring | 0 |
| Loose flange | None |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Product net weight | 1.226 lb |
Specifications Overview of the NU210 Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 50 mm |
| Outside diameter | 90 mm |
| Width | 20 mm |
| Shoulder diameter of outer ring | ≈ 77.4 mm |
| Raceway diameter of inner ring | 59.5 mm |
| Chamfer dimension r1,2 | min. 1.1 mm |
| Chamfer dimension r3,4 | min. 1.1 mm |
| Permissible axial displacement | max. 1.5 mm |
| Diameter of spacer sleeve (min) | min. 57 mm |
| Diameter of spacer sleeve (max) | max. 57.5 mm |
| Diameter of shaft abutment | min. 61 mm |
| Diameter of housing abutment | max. 82.4 mm |
| Radius of fillet ra | max. 1 mm |
| Radius of fillet rb | max. 1 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 1.969 in |
| Outside diameter | 3.543 in |
| Width | 0.787 in |
| Shoulder diameter of outer ring | ≈ 3.047 in |
| Raceway diameter of inner ring | 2.343 in |
| Chamfer dimension r1,2 | min. 0.043 in |
| Chamfer dimension r3,4 | min. 0.043 in |
| Permissible axial displacement | max. 0.059 in |
| Diameter of spacer sleeve (min) | min. 2.244 in |
| Diameter of spacer sleeve (max) | max. 2.264 in |
| Diameter of shaft abutment | min. 2.402 in |
| Diameter of housing abutment | max. 3.244 in |
| Radius of fillet ra | max. 0.039 in |
| Radius of fillet rb | max. 0.039 in |
Applicable Machines and Industries
1. Textile Machinery
- Role: Supports high-speed spindles and ensures smooth, vibration-free operation, essential for maintaining fabric quality during production.
- Common Brands: Rieter, Picanol, Toyota Textile Machinery
2. Mining Equipment
- Role: Provides reliable performance in conveyors and crushers, handling heavy radial loads and maintaining stability under harsh operating conditions.
- Common Brands: Caterpillar, Komatsu, Sandvik
3. Wind Turbines
- Role: Used in gearboxes and generators, the bearing ensures efficient power transmission and helps reduce friction, improving energy output and turbine longevity.
- Common Brands: Siemens Gamesa, Vestas, GE Renewable Energy
4. Steel Mills
- Role: Supports rollers in steel rolling mills, ensuring precise and consistent rolling pressure for high-quality steel production.
- Common Brands: ArcelorMittal, Nippon Steel, Tata Steel
5. Machine Tools
- Role: Maintains accuracy and stability in spindles and other rotating components, critical for precision machining and toolmaking.
- Common Brands: Haas, Mazak, DMG Mori
6. Agricultural Equipment
- Role: Provides durability and high load-bearing capacity in tractors and harvesters, ensuring reliable operation in demanding agricultural environments.
- Common Brands: John Deere, Case IH, New Holland
NU210 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| Amigo | NU210 |
| SKF | NU210 ECM |
| NSK | NU210EM |
| NTN | NU210EG1 |
| FAG | NU210-E-XL-M1 |
| KOYO | NU210R |
| INA | NU210-E-XL-M1 |
| NACHI | NU210EG |
Explore the NU210 Single Row Cylindrical Roller Bearing cross-reference and interchange guide in this comprehensive table. Find equivalent models from different manufacturers for seamless compatibility and availability across brands.
Choosing the Right Bearing
When evaluating the Amigo NU210 bearing against comparable models, its numerous key advantages position it as the premier selection for a wide range of applications:
When to Choose the Amigo NU210 Bearing
Superior Axial Displacement Capability: The Amigo NU210 is designed to handle axial displacement in both directions, making it ideal for applications where flexibility in movement is critical. This is an advantage over models like the SKF NU210 ECM and others that only handle axial displacement in one direction.
Higher Operating Speed: With an operating speed of up to 9,000 r/min, the Amigo NU210 is suitable for high-speed machinery. It outperforms models like the NSK NU210EM and NTN NU210EG1, making it a better choice for applications requiring higher speeds.
Durable Cage Material: The Amigo NU210 features a machined metal cage, providing greater durability and stability in harsh environments compared to brass or steel cages used by competitors. This makes it ideal for heavy-duty applications where long-term reliability is essential.
Cost-Effective: The Amigo NU210 offers a competitive price point while delivering similar or superior performance compared to higher-priced alternatives like the SKF and FAG models. This provides significant cost savings without compromising on quality.
Availability: Amigo NU210 bearings are widely available, ensuring that you can easily source replacements or additional bearings as needed, reducing downtime and maintaining operational efficiency.
The Amigo NU210 bearing is a top choice for those needing a high-performance, versatile, and cost-effective solution. With superior axial displacement capability, higher operating speed, and durable construction, it excels among similar models, offering the best balance of performance and value for high-speed machinery or flexible axial displacement needs.
| Feature | Amigo NU210 | SKF NU210 ECM | NSK NU210EM | NTN NU210EG1 | FAG NU210-E-XL-M1 |
|---|---|---|---|---|---|
| Radial Load Capacity | High | High | High | High | High |
| Axial Displacement Capability | In both directions | In one direction | In one direction | In one direction | In one direction |
| Operating Speed (Grease) | Up to 9,000 r/min | Up to 8,500 r/min | Up to 8,000 r/min | Up to 8,500 r/min | Up to 8,500 r/min |
| Cage Material | Machined Metal | Brass | Steel | Steel | Brass |
| Precision | High | High | High | High | High |
| Price | Competitive | Higher | Moderate | Moderate | Higher |
| Availability | Widely Available | Widely Available | Widely Available | Available | Available |
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Why Amigo NU210 Bearings Are the Top Choice
After switching to the Amigo NU210 bearing, I've noticed a significant improvement in our machinery's performance. The quality is on par with SKF, and the installation process was seamless. It's definitely a reliable alternative.
John Miller
I recently replaced our existing bearings with the Amigo NU210, and the results have been impressive. The performance is almost identical to the more expensive brands like FAG. It's an excellent value for the price.
Emma Thompson
Using the Amigo NU210 bearing has been a game changer for our production line. The bearing performs just as well as the NSK ones we've used in the past. It's durable, efficient, and a great cost-saving option.
Michael Johnson
The Amigo NU210 bearing has exceeded our expectations. It operates smoothly and quietly, similar to the SKF models we used before. I highly recommend it for anyone looking for a high-quality yet affordable bearing solution.
Sophia Williams
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