NU209 45x85x19 Bearing
Single Row Cylindrical Roller Bearing
The NU209 Single Row Cylindrical Roller Bearing offers high radial load capacity and durability, perfect for industrial applications like gearboxes, motors, and pumps. With dimensions of 45x85x19mm, it allows axial displacement in both directions, ensuring reliable performance even with misalignment. The non-metallic cage minimizes friction and wear, making the NU209 a cost-effective solution for demanding environments.
Performance Overview of the NU209 Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO NU209 | Interchangeable With: SKF NU209 |
| Bore diameter | 45 mm |
| Outside diameter | 85 mm |
| Width | 19 mm |
| Basic dynamic load rating | 69.5 kN |
| Basic static load rating | 64 kN |
| Reference speed | 9,000 r/min |
| Limiting speed | 9,500 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 | 0.503 kg |
| Dimensions(mm) | 45x85x19 |
| Specifications | Details |
|---|---|
| Brand | AMIGO NU209 | Interchangeable With: SKF NU209 |
| Bore diameter | 1.772 in |
| Outside diameter | 3.346 in |
| Width | 0.748 in |
| Basic dynamic load rating | 15,624 lbf |
| Basic static load rating | 14,388 lbf |
| Reference speed | 9,000 r/min |
| Limiting speed | 9,500 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 | 1.109 lb |
| Dimensions(in) | 1.772x3.346x0.748 |
Specifications Overview of the NU209 Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 45 mm |
| Outside diameter | 85 mm |
| Width | 19 mm |
| Shoulder diameter of outer ring | ≈ 72.47 mm |
| Raceway diameter of inner ring | 54.5 mm |
| Chamfer dimension(r₁,₂) | min. 1.1 mm |
| Chamfer dimension(r₃,₄) | min. 1.1 mm |
| Permissible axial displacement | max. 1.2 mm |
| Diameter of spacer sleeve | min. 52 mm |
| Diameter of spacer sleeve | max. 53 mm |
| Diameter of shaft abutment | min. 56 mm |
| Diameter of housing abutment | max. 77.6 mm |
| Radius of fillet(rₐ) | max. 1 mm |
| Radius of fillet(rᵦ) | max. 1 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 1.772 in |
| Outside diameter | 3.346 in |
| Width | 0.748 in |
| Shoulder diameter of outer ring | ≈ 2.853 in |
| Raceway diameter of inner ring | 2.146 in |
| Chamfer dimension (r₁,₂) | min. 0.043 in |
| Chamfer dimension (r₃,₄) | min. 0.043 in |
| Permissible axial displacement | max. 0.047 in |
| Diameter of spacer sleeve | min. 2.047 in |
| Diameter of spacer sleeve | max. 2.087 in |
| Diameter of shaft abutment | min. 2.205 in |
| Diameter of housing abutment | max. 3.055 in |
| Radius of fillet (rₐ) | max. 0.039 in |
| Radius of fillet (rᵦ) | max. 0.039 in |
Applicable Machines and Industries
1. Electric Motors
- Role: The NU209 bearing supports the rotor, reducing friction and ensuring smooth rotational movement under various load conditions.
- Common Brands: Siemens, ABB, WEG
2. Gearboxes
- Role: In gearboxes, the NU209 bearing supports the rotating shafts and gears, enabling efficient power transmission and reducing energy loss due to friction.
- Common Brands: SEW-Eurodrive, Bonfiglioli, Nord Drivesystems
3. Pumps
- Role: The NU209 bearing maintains the alignment of rotating shafts in pumps, ensuring consistent fluid transfer by minimizing friction and wear.
- Common Brands: Grundfos, KSB, Sulzer
4. Compressors
- Role: The bearing helps stabilize the rotating components in compressors, reducing friction and contributing to the machine’s overall durability and efficiency.
- Common Brands: Atlas Copco, Ingersoll Rand, Sullair
5. Conveyor Systems
- Role: The NU209 bearing supports the rollers in conveyor systems, enabling the smooth and continuous movement of materials.
- Common Brands: FlexLink, Daifuku, Bosch Rexroth
6. Textile Machinery
- Role: In textile machines, the NU209 bearing supports spindles and other rotating parts, ensuring smooth operation and high productivity.
- Common Brands: Rieter, Picanol, Murata
NU209 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| Amigo | NU209 |
| SKF | NU209ECM |
| NSK | NU209EM |
| NTN | NU209EG1 |
| FAG | NU209-E-XL-M1 |
| KOYO | NU209R |
Explore this comprehensive table for the NU209 Single Row Cylindrical Roller Bearing, offering a cross-reference and interchange guide for equivalent models from different manufacturers. Ensure compatibility and availability across various brands with ease.
Choosing the Right Bearing
When comparing the Amigo NU209 bearing to other similar models, several key advantages make it the superior choice for various applications:
When to Choose the NU209 Bearing
- High-Temperature Environments: The Amigo NU209 excels in high-temperature conditions, making it a reliable choice where heat resistance is critical.
- Vibration-Sensitive Applications: Ideal for machinery where minimizing vibration and noise is essential.
- Cost-Conscious Solutions: When budget constraints are important, the Amigo NU209 offers excellent value without compromising on performance.
- Misalignment Conditions: Suitable for setups with potential misalignment issues, providing better tolerance and reduced wear.
The Amigo NU209 stands out for its superior temperature resistance, noise and vibration control, and cost-efficiency, offering robust performance in challenging industrial environments at a competitive price point.
| Feature | Amigo NU209 | SKF NU209ECM | NSK NU209EM | NTN NU209EG1 | FAG NU209-E-XL-M1 | KOYO NU209R |
|---|---|---|---|---|---|---|
| Cage Material | Machined Metal | Machined Brass | Machined Brass | Machined Brass | Polyamide | Machined Brass |
| Performance in High-Temp | Excellent | Good | Good | Good | Excellent | Good |
| Vibration and Noise Reduction | Optimized | Standard | Standard | Standard | Optimized | Standard |
| Misalignment Tolerance | High | Moderate | Moderate | Moderate | High | Moderate |
| Price | Competitive | Higher | Higher | Higher | Higher | Higher |
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Why Amigo NU209 Bearings Are the Top Choice
We recently switched to the Amigo NU209 Bearing for our gearboxes, and the results have been impressive. The performance is on par with the SKF bearings we've used for years. The installation was straightforward, and the bearings run smoothly under heavy loads. We're definitely sticking with Amigo from now on!
James Anderson
I was skeptical about switching from our usual NTN bearings, but the Amigo NU209 Bearing has exceeded my expectations. The build quality feels solid, and it handles high temperatures just as well as the NTN bearings did. The cost savings without sacrificing performance make it an easy choice for us.
Michael Thompson
The Amigo NU209 Bearing has been a great addition to our high-speed pumps. It offers the same reliable performance as the NSK bearings we've used before, but at a more affordable price. The bearings have been running quietly and efficiently, even under tough conditions. Highly recommended!
Emily Roberts
We've been using the Amigo NU209 Bearing in our compressors, and the experience has been excellent. The bearings perform similarly to the FAG models we used before, with great stability and low noise levels. The price difference is substantial, making Amigo a very appealing option for us.
David Clark
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