NU305 25x62x17 Bearing
Single Row Cylindrical Roller Bearing
The NU305 Single Row Cylindrical Roller Bearing offers high radial load capacity and durability, ideal for various industrial applications. It allows axial displacement in both directions, ensuring smooth operation even with shaft misalignment. The machined metal cage enhances stability and longevity. This cost-effective bearing provides reliable performance in motors, gearboxes, and compressors, making it a solid choice for demanding environments.
Performance Overview of the NU305 Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO NU305 | Interchangeable With: SKF NU305 |
| Bore diameter | 25 mm |
| Outside diameter | 62 mm |
| Width | 17 mm |
| Basic dynamic load rating | 46.5 kN |
| Basic static load rating | 36.5 kN |
| Reference speed | 12,000 r/min |
| Limiting speed | 15,000 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 | Non-metallic |
| 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 | 0.234 kg |
| Dimensions(mm) | 25x62x17 |
| Specifications | Details |
|---|---|
| Brand | AMIGO NU305 | Interchangeable With: SKF NU305 |
| Bore diameter | 0.984 in |
| Outside diameter | 2.441 in |
| Width | 0.669 in |
| Basic dynamic load rating | 10 454 lbf |
| Basic static load rating | 8 206 lbf |
| Reference speed | 12,000 r/min |
| Limiting speed | 15,000 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 | Non-metallic |
| 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 | 0.5168 lb |
| Dimensions(in) | 0.984x2.441x0.669 |
Specifications Overview of the NU305 Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 25 mm |
| Outside diameter | 62 mm |
| Width | 17 mm |
| Shoulder diameter of outer ring | ≈ 50.25 mm |
| Raceway diameter of inner ring | 34 mm |
| Chamfer dimension | min. 1.1 mm |
| Chamfer dimension | min. 1.1 mm |
| Permissible axial displacement | max. 1.3 mm |
| Diameter of spacer sleeve | min. 31 mm |
| Diameter of spacer sleeve | max. 32.5 mm |
| Diameter of shaft abutment | min. 36 mm |
| Diameter of housing abutment | max. 54.9 mm |
| Radius of fillet | max. 1 mm |
| Radius of fillet | max. 1 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 0.984 in |
| Outside diameter | 2.441 in |
| Width | 0.669 in |
| Shoulder diameter of outer ring | ≈ 1.978 in |
| Raceway diameter of inner ring | 1.339 in |
| Chamfer dimension | min. 0.043 in |
| Chamfer dimension | min. 0.043 in |
| Permissible axial displacement | max. 0.051 in |
| Diameter of spacer sleeve | min. 1.22 in |
| Diameter of spacer sleeve | max. 1.28 in |
| Diameter of shaft abutment | min. 1.417 in |
| Diameter of housing abutment | max. 2.161 in |
| Radius of fillet | max. 0.039 in |
| Radius of fillet | max. 0.039 in |
Applicable Machines and Industries
1. Electric Motors
- Role: The NU305 bearing supports the rotor, reducing friction and wear while ensuring smooth rotational movement under various load conditions.
- Common Brands: Siemens, ABB, WEG
2. Gearboxes
- Role: In gearboxes, the NU305 bearing supports the rotating shafts and gears, facilitating efficient power transmission with minimal energy loss due to friction.
- Common Brands: SEW-Eurodrive, Bonfiglioli, Nord Drivesystems
3. Pumps
- Role: The NU305 bearing helps maintain the alignment of the rotating shafts in pumps, ensuring consistent fluid transfer by minimizing friction and wear.
- Common Brands: Grundfos, KSB, Sulzer
4. Compressors
- Role: The bearing supports the rotating parts in compressors, reducing friction and contributing to the overall durability and efficiency of the machine.
- Common Brands: Atlas Copco, Ingersoll Rand, Sullair
5. Conveyor Systems
- Role: In conveyor systems, the NU305 bearing helps in the smooth movement of rollers, ensuring the efficient and continuous transport of materials.
- Common Brands: FlexLink, Daifuku, Bosch Rexroth
6. Textile Machinery
- Role: The NU305 bearing supports the spindles and other rotating parts in textile machinery, ensuring smooth operation and high productivity.
- Common Brands: Rieter, Picanol, Murata
NU305 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| Amigo | NU 305 |
| SKF | NU 305 ECP |
| NSK | NU305ET |
| NTN | NU305EG1 |
| FAG | NU305-E-XL-TVP2 |
| KOYO | NU305R |
| INA | NU305-E-XL-TVP2 |
| NACHI | NU305EG |
This table summarizes the bearing cross-reference and interchange guide for the NU305 Single Row Cylindrical Roller Bearing. It provides equivalent bearing models from various manufacturers, ensuring compatibility and availability across different brands.
Choosing the Right Bearing
When comparing the Amigo NU305 bearing to other similar models, several key advantages make it the superior choice for various applications:
When to Choose the NU305 Bearing
- High-Speed Operations: Ideal for machinery that operates at very high speeds, such as in pumps and compressors, where stability and performance are crucial.
- High-Temperature Environments: Perfect for applications exposed to high temperatures, where other bearings may degrade or fail.
- Vibration-Sensitive Machinery: Choose the NU305 for equipment where reducing noise and vibration is critical, ensuring smoother operation.
- Misalignment Conditions: Ideal for setups where shaft misalignment is common, offering better tolerance and reducing the risk of premature wear.
- Cost-Conscious High Performance: When you need a high-performing bearing that offers excellent value, the NU305 provides a cost-effective solution without sacrificing quality.
The Amigo NU305 combines high-speed capability, excellent temperature resistance, and enhanced vibration control, making it an optimal choice for demanding industrial applications. It delivers reliable performance at a competitive price, offering exceptional value.
| Feature | Amigo NU305 | SKF NU305 ECP | NSK NU305ET | NTN NU305EG1 | FAG NU305-E-XL-TVP2 | KOYO NU305R | INA NU305-E-XL-TVP2 | NACHI NU305EG |
|---|---|---|---|---|---|---|---|---|
| Cage Design | Non-metallic, solid | Non-metallic, solid | Non-metallic, solid | Non-metallic, solid | Polyamide, reinforced | Non-metallic, solid | Polyamide, reinforced | Non-metallic, solid |
| Performance in High-Temperature | Excellent | Good | Good | Good | Excellent | Good | Excellent | Good |
| Misalignment Tolerance | High | Moderate | Moderate | Moderate | High | Moderate | High | Moderate |
| Suitability for High-Speed | Very High | High | High | High | Very High | High | Very High | High |
| Load Capacity | Standard | Slightly Higher | Standard | Standard | Slightly Higher | Standard | Slightly Higher | Standard |
| Vibration and Noise Reduction | Optimized | Standard | Standard | Standard | Optimized | Standard | Optimized | Standard |
Recommended Products for Optimal Performance
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Why Amigo NU305 Bearings Are the Top Choice
I recently switched to the Amigo NU305 Bearing for our industrial gearboxes, and I'm impressed with its performance. It’s just as reliable as the SKF bearings we've used before, but at a much better price. The installation was smooth, and it runs quietly even under heavy loads. Highly recommended!
Michael Harris
We've been using the Amigo NU305 Bearing in our high-speed pumps, and it has been fantastic. The performance is on par with the NSK bearings we used to buy, with no noticeable difference in quality or durability. It’s a great value for the money, and we'll definitely continue to choose Amigo for our future needs.
Sarah Thompson
The Amigo NU305 Bearing has exceeded our expectations in our high-temperature applications. It handles the heat just as well as the FAG bearings we used before, with excellent stability and low noise levels. This bearing offers great quality without the premium price tag.
John Miller
We decided to try the Amigo NU305 Bearing for our compressors, and it was a great decision. The bearing performs very similarly to the NTN bearings we've used in the past, with smooth operation and high load capacity. We’re very satisfied with the switch to Amigo and will be ordering more.
David Anderson
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