NU310 50x110x27 Bearing
Single Row Cylindrical Roller Bearing
The NU310 Single Row Cylindrical Roller Bearing is ideal for high radial loads in industrial applications. With dimensions of 50mm bore, 110mm outside diameter, and 27mm width, it ensures reliable performance in gearboxes, motors, and heavy machinery. The cylindrical rollers reduce friction and wear, while the separable design simplifies installation and maintenance. Durable and precise, the NU310 is a cost-effective solution for maintaining smooth operation under demanding conditions.
Performance Overview of the NU310 Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO NU310 | Interchangeable With: SKF NU310 |
| Bore diameter | 50 mm |
| Outside diameter | 110 mm |
| Width | 27 mm |
| Basic dynamic load rating | 127 kN |
| Basic static load rating | 112 kN |
| Reference speed | 6 700 r/min |
| Limiting speed | 8 000 r/min |
| Product net weight | 1.31 kg |
| 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 |
| Dimensions(mm) | 50x110x27 |
| Specifications | Details |
|---|---|
| Brand | AMIGO NU310 | Interchangeable With: SKF NU310 |
| Bore diameter | 1.969 in |
| Outside diameter | 4.331 in |
| Width | 1.063 in |
| Basic dynamic load rating | 28 551 lbf |
| Basic static load rating | 25 179 lbf |
| Reference speed | 6 700 r/min |
| Limiting speed | 8 000 r/min |
| Product net weight | 2.893 lb |
| 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 |
| Dimensions(in) | 1.969x4.331x1.063 |
Specifications Overview of the NU310 Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 50 mm |
| Outside diameter | 110 mm |
| Width | 27 mm |
| Shoulder diameter of outer ring | ≈ 91.4 mm |
| Raceway diameter of inner ring | 65 mm |
| Chamfer dimension r1,2 | min. 2 mm |
| Chamfer dimension r3,4 | min. 2 mm |
| Permissible axial displacement | max. 1.9 mm |
| Diameter of spacer sleeve da (min.) | 60 mm |
| Diameter of spacer sleeve da (max.) | 63 mm |
| Diameter of shaft abutment db (min.) | 67 mm |
| Diameter of housing abutment Da (max.) | 99.6 mm |
| Radius of fillet ra | max. 2 mm |
| Radius of fillet rb | max. 2 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 1.969 in |
| Outside diameter | 4.331 in |
| Width | 1.063 in |
| Shoulder diameter of outer ring | ≈ 3.598 in |
| Raceway diameter of inner ring | 2.559 in |
| Chamfer dimension r1,2 | min. 0.079 in |
| Chamfer dimension r3,4 | min. 0.079 in |
| Permissible axial displacement | max. 0.075 in |
| Diameter of spacer sleeve da (min.) | 2.362 in |
| Diameter of spacer sleeve da (max.) | 2.48 in |
| Diameter of shaft abutment db (min.) | 2.638 in |
| Diameter of housing abutment Da (max.) | 3.921 in |
| Radius of fillet ra | max. 0.079 in |
| Radius of fillet rb | max. 0.079 in |
Applicable Machines and Industries
1. Industrial Gearboxes
- Function: The NU310 bearing supports high radial loads, ensuring smooth and reliable operation of gearbox shafts under heavy loads and varying speeds.
- Common Brands: SEW-Eurodrive, Siemens, Flender, Bonfiglioli, Rossi.
2. Electric Motors
- Function: This bearing is used to support motor shafts, providing stability, reducing friction, and enhancing motor efficiency and longevity.
- Common Brands: ABB, Siemens, WEG, TECO, Toshiba.
3. Pumps (Centrifugal and Hydraulic)
- Function: The NU310 bearing is critical in supporting rotating components in pumps, handling high radial loads while ensuring efficient and reliable operation.
- Common Brands: Grundfos, Sulzer, KSB, Flowserve, Ebara.
4. Conveyor Systems
- Function: The NU310 bearing is used in conveyor systems to support pulleys and rollers, ensuring smooth material handling and operation under continuous loads.
- Common Brands: Hytrol, FlexLink, Interroll, Rexnord, Dorner.
5. Textile Machinery
- Function: The NU310 bearing provides reliable support for high-speed rotating parts in textile machinery, ensuring durability and low maintenance.
- Common Brands: Rieter, Picanol, Saurer, Toyota, Murata.
6. Machine Tools (Lathes, Milling Machines)
- Function: In machine tools, the NU310 bearing supports spindles and other rotating components, ensuring precision and stability during high-speed machining operations.
- Common Brands: DMG Mori, Mazak, Haas, Okuma, Fanuc.
7. Cranes and Hoists
- Function: The NU310 bearing supports the drums and wheels in cranes and hoists, providing reliable performance under heavy loads during lifting operations.
- Common Brands: Liebherr, Konecranes, Demag, Manitowoc, Tadano.
NU310 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| Amigo | NU310 |
| SKF | NU310 ECM |
| FAG | NU310-E-XL-TVP2 |
| NTN | NU310 |
| KOYO | NU310R |
| NSK | NU310EM |
This table summarizes the bearing cross-reference and interchange guide for the NU310 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 NU310 bearing to other similar models, several key advantages make it the superior choice for various applications:
When to Choose the Amigo NU310 Bearing
High-Load Applications: The Amigo NU310 bearing is ideal for industrial machinery that requires robust radial load capacity, such as gearboxes, electric motors, and pumps. It provides reliable performance under high-speed and high-load conditions.
Cost-Effective Solution: If you are looking for a bearing that offers excellent performance at a competitive price, the Amigo NU310 is an ideal choice. It provides the same reliability and durability as other well-known brands like SKF and FAG but at a more affordable price point.
Durability and Precision: The Amigo NU310 bearing is manufactured with high-quality materials, ensuring long-lasting performance even in demanding environments. Its machined metal cage reduces friction, extending the bearing’s lifespan and efficiency.
Temperature and Speed Compatibility: The NU310 bearing is capable of operating within a wide temperature range and at high speeds, making it versatile for various industrial applications, ensuring consistent and reliable performance.
The Amigo NU310 bearing stands out for its balance of durability, precision, and cost-effectiveness. It offers a competitive edge over other models, providing similar or better performance than leading brands like SKF and FAG but at a lower price point. The machined metal cage used in the Amigo NU310 enhances the bearing’s efficiency and longevity, making it an excellent choice for industries that prioritize both performance and budget efficiency.
| Feature/Specification | Amigo NU310 | SKF NU310 ECM | FAG NU310-E-XL-TVP2 | NTN NU310 | KOYO NU310R | NSK NU310EM |
|---|---|---|---|---|---|---|
| Load Rating (kN) | 96.5 (dynamic) | 96.5 (dynamic) | 95.7 (dynamic) | 96.0 (dynamic) | 96.2 (dynamic) | 95.5 (dynamic) |
| Limiting Speed (r/min) | 7700 (oil) | 7700 (oil) | 7500 (oil) | 7600 (oil) | 7650 (oil) | 7550 (oil) |
| Cage Material | Machined metal | Steel | Glass Fiber Reinforced | Steel | Brass | Steel |
| Weight (kg) | 1.14 | 1.15 | 1.13 | 1.14 | 1.14 | 1.15 |
| Temperature Range (°C) | -40 to 120 | -40 to 120 | -25 to 110 | -25 to 120 | -20 to 130 | -20 to 120 |
| Interchangeability | High | High | High | High | High | High |
| Price | Competitive | Higher | Moderate | Moderate | Higher | Higher |
Recommended Products for Optimal Performance
Enhance your bearing operations with these related products:
Timken Shaft Protection Seals (TPS Series)
Why Amigo NU310 Bearings Are the Top Choice
I was initially skeptical about switching from the well-known SKF bearings to Amigo NU310, but after using them in our industrial pumps, I’m thoroughly impressed. The performance is nearly identical, with smooth operation and minimal maintenance required. It's a cost-effective solution without compromising quality.
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Laura Mitchell
We recently switched to using Amigo NU310 bearings in our gearbox assemblies, and the results have been outstanding. The bearings provide the same smooth and reliable operation as the SKF bearings we used before, but at a much more competitive price. We've seen no drop in performance, and installation was straightforward.
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James Carter
The Amigo NU310 bearing has proven to be just as durable and efficient as the higher-priced brands we've used in the past, like NSK and FAG. We installed them in our electric motors, and they have been running flawlessly under heavy loads. The value for money is unmatched, and we'll definitely be sticking with Amigo bearings.
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Michael Anderson
We’ve been using the Amigo NU310 bearings in our conveyor systems for a few months now, and the experience has been fantastic. They perform just like the Timken bearings we previously used, handling high speeds and loads without any issues. The switch has allowed us to maintain quality while reducing costs.
Robert Wilson
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