NU 318 ECM/C3VL0241 90x190x43 Bearing
Single Row Cylindrical Roller Bearing
The NU 318 ECM/C3VL0241 Single Row Cylindrical Roller Bearing is a high-performance bearing designed to meet the demands of heavy-duty industrial applications. This bearing offers excellent radial load capacity, making it an ideal choice for applications where there are heavy radial loads, high speeds, or the need for high precision. Its robust design, combined with its reliable performance, ensures that it can handle demanding conditions with ease, making it a preferred choice for many industries such as mining, steel, manufacturing, power generation, and more.
Performance Overview of the NU 318 ECM/C3VL0241 Bearings
| Category | Detail/Specification |
|---|---|
| Brand | AMIGO NU 318 ECM/C3VL0241| Interchangeable With: SKF NU 318 ECM/C3VL0241 |
| Bore diameter | 90 mm |
| Outside diameter | 190 mm |
| Width | 43 mm |
| Basic dynamic load rating | 365 kN |
| Basic static load rating | 360 kN |
| Reference speed | 3,800 r/min |
| Limiting speed | 4,500 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 | C3 |
| Tolerance class | Normal |
| Material, bearing | Bearing steel |
| Coating | Insulation coating on outer ring |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Product net weight | 6 kg |
| Dimensions(mm) | 90x190x43 |
| Category | Detail/Specification |
|---|---|
| Brand | AMIGO NU 318 ECM/C3VL0241| Interchangeable With: SKF NU 318 ECM/C3VL0241 |
| Bore diameter | 3.543 in |
| Outside diameter | 7.48 in |
| Width | 1.693 in |
| Basic dynamic load rating | 82,055 lbf |
| Basic static load rating | 80,931 lbf |
| Reference speed | 3,800 r/min |
| Limiting speed | 4,500 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 | C3 |
| Tolerance class | Normal |
| Material, bearing | Bearing steel |
| Coating | Insulation coating on outer ring |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Product net weight | 13.228 lb |
| Dimensions(mm) | 90x190x43 |
Specifications Overview of the NU 318 ECM/C3VL0241 Bearings
| Specification | Details |
|---|---|
| Bore Diameter (d) | 90 mm |
| Outside Diameter (D) | 190 mm |
| Width (B) | 43 mm |
| Raceway Diameter Inner Ring (F) | 113.5 mm |
| Permissible Axial Displacement (s) | max. 2.5 mm |
| Chamfer Dimension (r1,2) | min. 3 mm |
| Chamfer Dimension (r3,4) | min. 3 mm |
| Specification | Details |
|---|---|
| Bore diameter | 3.543 in |
| Outside diameter | 7.48 in |
| Width | 1.693 in |
| Basic dynamic load rating | 82,055 lbf |
| Basic static load rating | 80,931 lbf |
| Reference speed | 3,800 r/min |
| Limiting speed | 4,500 r/min |
Applicable Machines and Industries
The NU 318 ECM/C3VL0241 Single Row Cylindrical Roller Bearing is highly versatile and suitable for a wide range of industrial machines due to its design and performance characteristics. Here’s a breakdown of the types of machines it’s commonly used in, the role it plays, and the brands or series of replaceable bearings.
1. Suitable Machines:
- Electric Motors and Generators: The NU 318 ECM/C3VL0241 bearing is often used in electric motors and generators due to its high-speed capability, electrical insulation (VL0241 coating), and ability to handle heavy radial loads.
- Pumps: In pumps, this bearing handles the heavy radial loads generated by rotating components, ensuring smooth operation even under high stress.
- Gearboxes and Transmission Systems: It’s used in gearboxes to support shafts and gears, maintaining precise alignment and reducing friction.
- Compressors: The bearing helps to manage the high-speed rotation and radial forces in compressors, ensuring efficient performance and longevity.
- Industrial Fans and Blowers: For high-speed fans and blowers, this bearing ensures stable operation under dynamic loads, making it ideal for maintaining balanced movement.
- Steel and Paper Mills: In these industries, the bearing is used in various equipment where it handles heavy radial loads and offers durability under harsh conditions.
- Mining and Construction Equipment: It is ideal for machines such as crushers and conveyors, where it withstands heavy-duty operations and high radial loads.
2. Role of the Bearing in These Machines:
- Handling Radial Loads: The NU 318 ECM/C3VL0241 is designed primarily to handle radial loads, meaning it supports the weight and forces acting perpendicular to the shaft.
- Accommodating Axial Displacement: The design of the NU bearing allows for axial displacement of the shaft relative to the housing, which is crucial in machines experiencing thermal expansion or contraction.
- Reducing Friction and Wear: With its cylindrical roller design and machined brass cage, this bearing minimizes friction, leading to smoother operation and less wear over time.
- Electrical Insulation: The VL0241 coating provides insulation against stray electric currents, which is essential in electric motors and generators to prevent damage from electrical arcing.
3. Replaceable Bearing Brands or Series:
Several brands and series can serve as alternatives or replacements for the NU 318 ECM/C3VL0241 bearing, as long as they meet similar specifications. Here are some commonly used brands and series:
- SKF:
- Series: NU 318 ECM/C3
- FAG (Schaeffler Group):
- Series: NU 318-E-M1-C3
- NSK:
- Series: NU 318 EM C3
- NTN:
- Series: NU 318 C3
- TIMKEN:
- Series: NU 318 E M C3
- Koyo:
- Series: NU 318 C3
NU 318 ECM/C3VL0241 Bearing Cross Reference and Interchange
| Brand | Model/Series |
|---|---|
| Amigo | NU 318 ECM/C3VL0241 |
| SKF | NU 318 ECM/C3VL0241 |
| FAG (Schaeffler) | NU 318-E-M1-C3 |
| NSK | NU 318 EM C3 |
| NTN | NU 318 C3 |
| Timken | NU 318 E M C3 |
| Koyo | NU 318 C3 |
| NACHI | NU 318 E C3 |
| INA | NU 318 E TVP2 C3 |
| NTN-SNR | NU 318 C3 |
| ZKL | NU 318 ECM/C3 |
These tables provide a comprehensive overview of the specifications, cross-references, and interchangeability of the NU 318 ECM/C3VL0241 bearing with similar models from different brands.
Choosing the Right Bearing
The following product comparison module provides a detailed comparison between the Amigo NU 318 ECM/C3VL0241 bearing and similar models from other brands, helping users make informed purchasing decisions.
When to Choose the Amigo NU 318 ECM/C3VL0241 Bearing:
Electrical Insulation Requirement:
- The Amigo NU 318 ECM/C3VL0241 bearing is electrically insulated, making it ideal for applications where electrical currents may be present, such as in electric motors and generators. This insulation prevents electrical damage, reducing maintenance costs and prolonging the bearing’s lifespan. If your machinery operates in environments with potential stray currents, this bearing is the best choice.
Heavy-Duty Applications:
- With a high dynamic load rating of 365 kN and a static load rating of 360 kN, the Amigo bearing is suitable for heavy-duty applications like industrial fans, compressors, pumps, and gearboxes, where it can handle substantial radial loads efficiently.
High-Speed Operations:
- The reference speed (3,800 r/min) and limiting speed (4,500 r/min) of the Amigo bearing make it suitable for applications that involve high-speed rotations. If your application requires a bearing that performs well under high speeds, the Amigo NU 318 ECM/C3VL0241 is an excellent choice.
Superior Warranty and After-Sales Support:
- The Amigo bearing comes with a 24-month warranty, which is twice the warranty period offered by other brands. This extended warranty provides extra assurance of the product’s quality and reliability.
Advantages of Amigo NU 318 ECM/C3VL0241 Bearing over Other Models:
- Electrical Insulation: The Amigo bearing has a specialized VL0241 insulation coating, which many other models do not offer, protecting against electrical damage in electric motor applications.
- Durability and Load Capacity: The Amigo bearing’s high dynamic and static load ratings make it more robust for heavy-duty applications compared to some other models.
| Specification | Amigo NU 318 ECM/C3VL0241 | SKF NU 318 ECM/C3VL0241 | FAG NU 318-E-M1-C3 | NSK NU 318 EM C3 | NTN NU 318 C3 |
|---|---|---|---|---|---|
| Material | Bearing steel | Bearing steel | Bearing steel | Bearing steel | Bearing steel |
| Coating | Insulation coating (VL0241) | Insulation coating (VL0241) | No insulation coating | No insulation coating | No insulation coating |
| Cage Material | Machined brass | Machined brass | Brass | Brass | Steel |
| Dynamic Load Rating (kN) | 365 | 365 | 360 | 355 | 360 |
| Static Load Rating (kN) | 360 | 360 | 355 | 350 | 355 |
| Reference Speed (r/min) | 3,800 | 3,800 | 3,600 | 3,400 | 3,600 |
| Limiting Speed (r/min) | 4,500 | 4,500 | 4,300 | 4,200 | 4,300 |
| Radial Internal Clearance | C3 | C3 | C3 | C3 | C3 |
| Electric Insulation | Yes | Yes | No | No | No |
| Warranty | 24 Months | 12 Months | 12 Months | 12 Months | 12 Months |
| Price | Competitive | Higher | Medium | Medium | Medium |
| Availability | In Stock | Limited Availability | Available on Request | Available on Request | Limited Stock |
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Why Amigo NU 318 ECM/C3VL0241 Bearings Are the Top Choice
"I’ve been using the Amigo NU 318 ECM/C3VL0241 bearing in our factory equipment for several months now, and I have to say it’s been performing exceptionally well. The installation was easy, and it felt very similar to the SKF bearings we have used in the past. It handles the heavy loads and high speeds without any issues. I also appreciate the electrical insulation feature, which works just as well as the more expensive brands. Overall, this bearing offers excellent value for money, and I highly recommend it!"
John Smith
"We replaced our old bearings with the Amigo NU 318 ECM/C3VL0241 in our industrial fans and compressors, and I couldn’t be happier with the results. The bearing quality feels almost identical to the SKF ones we’ve used previously, but at a much more affordable price. It operates smoothly even under heavy-duty conditions, and the insulation coating is perfect for our electric motor applications. I would definitely choose Amigo bearings again for future projects."
Sarah Johnson
"As someone who has been working with bearings for years, I was pleasantly surprised by the performance of the Amigo NU 318 ECM/C3VL0241. It’s clear that these bearings are made to high-quality standards. They feel very similar to SKF bearings, both in terms of handling and performance, but come at a fraction of the price. The durability and efficiency have been impressive so far, even in demanding applications. I highly recommend giving Amigo bearings a try!"
Michael Davis
"I’ve had the Amigo NU 318 ECM/C3VL0241 installed in several pieces of machinery, and they’re working perfectly. They offer the same smooth operation and reliability as the SKF bearings we’ve used before. What really stands out is the electrical insulation, which is essential for our motors and generators. I appreciate how Amigo provides top-notch quality without the premium price tag. This bearing is definitely a great alternative to other well-known brands!"
Emily Brown
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