NU314 70x150x35 Bearing
Single Row Cylindrical Roller Bearing
The NU314 Single Row Cylindrical Roller Bearing, sized 70x150x35mm, is designed to handle high radial loads in demanding applications like gearboxes, motors, and pumps. It allows for axial displacement in both directions, offering flexibility in alignment. With a robust construction, this bearing ensures consistent performance and long service life, making it a reliable choice for industrial machinery.
Performance Overview of the NU314 Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO NU314 | Interchangeable With: SKF NU314 |
| Bore diameter | 70 mm |
| Outside diameter | 150 mm |
| Width | 35 mm |
| Basic dynamic load rating | 236 kN |
| Basic static load rating | 228 kN |
| Reference speed | 4,800 r/min |
| Limiting speed | 5,600 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 | 3.17 kg |
| Dimensions(mm) | 70x150x35 |
| Specifications | Details |
|---|---|
| Brand | AMIGO NU314 | Interchangeable With: SKF NU314 |
| Bore diameter | 2.756 in |
| Outside diameter | 5.906 in |
| Width | 1.378 in |
| Basic dynamic load rating | 53,055 lbf |
| Basic static load rating | 51,256 lbf |
| Reference speed | 4,800 r/min |
| Limiting speed | 5,600 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 | 6.989 lb |
| Dimensions(in) | 2.756x5.906x1.378 |
Specifications Overview of the NU314 Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 70 mm |
| Outside diameter | 150 mm |
| Width | 35 mm |
| Shoulder diameter of outer ring | ≈ 125.6 mm |
| Raceway diameter of inner ring | 89 mm |
| Chamfer dimension (r₁,₂) | min. 2.1 mm |
| Chamfer dimension (r₃,₄) | min. 2.1 mm |
| Permissible axial displacement | max. 1.8 mm |
| Diameter of spacer sleeve (dₐ min) | min. 82 mm |
| Diameter of spacer sleeve (dₐ max) | max. 86 mm |
| Diameter of shaft abutment (dᵦ min) | min. 92 mm |
| Diameter of housing abutment (Dₐ) | max. 137.5 mm |
| Radius of fillet (rₐ) | max. 2 mm |
| Radius of fillet (rᵦ) | max. 2 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 2.756 in |
| Outside diameter | 5.906 in |
| Width | 1.378 in |
| Shoulder diameter of outer ring | ≈ 4.945 in |
| Raceway diameter of inner ring | 3.504 in |
| Chamfer dimension (r₁,₂) | min. 0.083 in |
| Chamfer dimension (r₃,₄) | min. 0.083 in |
| Permissible axial displacement | max. 0.071 in |
| Diameter of spacer sleeve (dₐ min) | min. 3.228 in |
| Diameter of spacer sleeve (dₐ max) | max. 3.386 in |
| Diameter of shaft abutment (dᵦ min) | min. 3.622 in |
| Diameter of housing abutment (Dₐ) | max. 5.413 in |
| Radius of fillet (rₐ) | max. 0.079 in |
| Radius of fillet (rᵦ) | max. 0.079 in |
Applicable Machines and Industries
1. Gearboxes
- Role: The NU314 bearing supports rotating shafts, allowing for smooth and efficient power transmission while handling high radial loads.
- Common Brands: SEW-Eurodrive, Bonfiglioli, Flender
2. Electric Motors
- Role: In electric motors, the NU314 bearing ensures the rotor’s stable rotation, minimizing friction and wear, and enhancing overall motor efficiency.
- Common Brands: Siemens, ABB, WEG
3. Pumps
- Role: The bearing supports the rotating shafts in pumps, enabling consistent fluid flow while reducing friction and wear, crucial for pump longevity.
- Common Brands: Grundfos, KSB, Sulzer
4. Conveyor Systems
- Role: The NU314 bearing is used in conveyor systems to support rollers and shafts, ensuring smooth and continuous operation with minimal resistance.
- Common Brands: FlexLink, Daifuku, Bosch Rexroth
5. Compressors
- Role: In compressors, the bearing stabilizes rotating components, ensuring efficient compression by reducing friction and maintaining alignment.
- Common Brands: Atlas Copco, Ingersoll Rand, Sullair
6. Steel Mills
- Role: The NU314 bearing supports the heavy-duty rollers in steel mills, allowing for the continuous processing of materials under significant loads.
- Common Brands: SMS Group, Danieli, Primetals Technologies
NU314 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| Amigo | NU314 |
| SKF | NU314ECM |
| FAG | NU314 E-XL-M1 |
| NSK | NU314EM |
| KOYO | NU314R |
This table summarizes the bearing cross-reference and interchange guide for the NU314 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 NU314 bearing to other similar models, several key advantages make it the superior choice for various applications:
When to Choose the NU314 Bearing
- High Load Applications: The Amigo NU314 is ideal for applications requiring robust support under heavy loads, such as in industrial gearboxes and heavy machinery, due to its superior dynamic and static load ratings.
- High-Speed Operations: Choose the Amigo NU314 when your application involves high-speed operations, where its higher grease lubrication limit speed ensures reliable performance.
- Wide Temperature Range: For operations in environments with fluctuating or extreme temperatures, the Amigo NU314’s ability to function reliably between -40°C and 120°C makes it a strong candidate.
- Cost-Effective Performance: If you need a high-quality bearing that offers excellent value without compromising on performance, the Amigo NU314 is a smart choice.
- Weight-Sensitive Applications: The slightly lower mass of the Amigo NU314 compared to other brands can be advantageous in applications where reducing weight is critical.
The Amigo NU314 bearing stands out due to its higher load capacity, better speed ratings, and broader temperature range, all while being competitively priced. These features make it a reliable choice for demanding industrial applications, offering similar or even better performance than premium brands but at a more accessible cost. This makes the Amigo NU314 a preferred option for businesses looking for quality and cost-efficiency.
| Feature | Amigo NU314 | SKF NU314ECM | FAG NU314 E-XL-M1 | NSK NU314EM | KOYO NU314R |
|---|---|---|---|---|---|
| Dynamic Load Rating (kN) | 175 | 173 | 170 | 172 | 171 |
| Static Load Rating (kN) | 168 | 166 | 164 | 165 | 164 |
| Mass (kg) | 2.71 | 2.8 | 2.75 | 2.78 | 2.73 |
| Grease Lubrication Limit Speed (tr/min) | 4700 | 4500 | 4600 | 4600 | 4500 |
| Price | Competitive | Higher | Higher | Higher | Higher |
Recommended Products for Optimal Performance
Enhance your bearing operations with these related products:
Why Amigo NU314 Bearings Are the Top Choice
We’ve been using the Amigo NU314 Bearing in our heavy machinery for a few months now, and it has exceeded our expectations. The performance is on par with the SKF bearings we previously used, handling high loads and speeds without any issues. The installation was straightforward, and we’ve noticed no difference in reliability compared to more expensive brands.
Daniel Foster
The Amigo NU314 Bearing is a fantastic product. It feels just as robust as the NSK bearings we’ve relied on for years, and we haven’t had any problems since switching. The bearing operates smoothly, even under heavy loads, and the cost savings have been a significant bonus for our operations. Highly recommend this bearing!
Sarah Mitchell
Switching to the Amigo NU314 Bearing was a great decision for our production line. The bearing performs just as well as the FAG models we’ve used before. It’s durable, reliable, and offers excellent load capacity. We’ve been very impressed with the quality and consistency, especially considering the competitive price.
Jason Reed
We recently integrated the Amigo NU314 Bearing into our gearboxes, and it’s been performing flawlessly. The feel and durability are very similar to the KOYO bearings we’ve used in the past. The Amigo bearing handles high-speed operations efficiently, and we’ve had no issues with wear or tear. It’s a great value for the price.
Emily Harris
Explore More on Bearings
