NU 210 ECM/C3HVA3091 50x90x20 Bearing
Single Row Cylindrical Roller Bearing
The NU 210 ECM/C3HVA3091 Single Row Cylindrical Roller Bearing is a high-performance bearing designed for demanding industrial applications where both high radial load capacity and electrical insulation are essential. This model offers reliability, durability, and efficiency, making it an ideal choice for electric motors, generators, pumps, compressors, and other motor-driven systems.
Performance Overview of the NU 210 ECM/C3HVA3091 Bearings
| Category | Detail/Specification |
|---|---|
| Brand | AMIGO NU 210 ECM/C3HVA3091| Interchangeable With: SKF NU 210 ECM/C3HVA3091 |
| Bore diameter | 50 mm |
| Outside diameter | 90 mm |
| Width | 20 mm |
| Basic dynamic load rating | 73.5 kN |
| Basic static load rating | 69.5 kN |
| Reference speed | 8,500 r/min |
| Limiting speed | 9,000 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 | Machined metal |
| Number of flanges, outer ring | 2 |
| Number of flanges, inner ring | 0 |
| Loose flange | None |
| Radial internal clearance | C3H |
| Tolerance class | Normal |
| Material, bearing | Bearing steel |
| Coating | Insulation coating |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Dimensions(mm) | 50x90x20 |
| Category | Detail/Specification |
|---|---|
| Brand | AMIGO NU 210 ECM/C3HVA3091| Interchangeable With: SKF NU 210 ECM/C3HVA3091 |
| Bore diameter | 1.969 in |
| Outside diameter | 3.543 in |
| Width | 0.787 in |
| Basic dynamic load rating | 16,523 lbf |
| Basic static load rating | 15,624 lbf |
| Reference speed | 8,500 r/min |
| Limiting speed | 9,000 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 | Machined metal |
| Number of flanges, outer ring | 2 |
| Number of flanges, inner ring | 0 |
| Loose flange | None |
| Radial internal clearance | C3H |
| Tolerance class | Normal |
| Material, bearing | Bearing steel |
| Coating | Insulation coating |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Dimensions(mm) | 50x90x20 |
Specifications Overview of the NU 210 ECM/C3HVA3091 Bearings
| Parameter | Metric Value |
|---|---|
| Bore diameter | 50 mm |
| Outside diameter | 90 mm |
| Width | 20 mm |
| Raceway diameter inner ring | 59.5 mm |
| Permissible axial displacement from the normal position of one bearing ring relative to the other | max. 1.5 mm |
| Chamfer dimension (r?,?) | min. 1.1 mm |
| Chamfer dimension (r?,?) | min. 1.1 mm |
| Parameter | Imperial Value |
|---|---|
| Bore diameter | 1.969 in |
| Outside diameter | 3.543 in |
| Width | 0.787 in |
| Raceway diameter inner ring | 2.343 in |
| Permissible axial displacement from the normal position of one bearing ring relative to the other | max. 0.071 in |
| Chamfer dimension (r?,?) | min. 0.043 in |
| Chamfer dimension (r?,?) | min. 0.043 in |
Applicable Machines and Industries
The NU 210 ECM/C3HVA3091 Single Row Cylindrical Roller Bearing is suitable for a wide variety of industrial applications where high load capacities and precision are required. Here are some typical machines where this bearing can be applied and the role it plays:
Suitable Machines:
Electric Motors:
- Role: The NU 210 ECM/C3HVA3091 is used in electric motors to support the rotor and handle high radial loads while maintaining smooth rotation. The bearing’s insulation coating also helps prevent electrical pitting.
Industrial Gearboxes:
- Role: In gearboxes, the bearing allows the shafts to rotate freely while managing high radial forces. This cylindrical roller bearing ensures long operational life under heavy load conditions.
Pumps:
- Role: The bearing ensures smooth and efficient shaft rotation in centrifugal, screw, and other industrial pumps, enabling reliable fluid flow while handling heavy radial loads.
Wind Turbines:
- Role: The bearing plays a crucial role in supporting the main shaft of wind turbines, ensuring smooth, low-friction movement under constant, high radial loads and vibration.
Railway Applications (Axle Boxes):
- Role: In railway applications, the bearing supports heavy radial loads in the axle boxes, providing stability and long-term performance even under challenging conditions.
Conveyor Systems:
- Role: In heavy-duty conveyor systems, this bearing facilitates smooth belt or roller movements while handling high radial loads over long periods of continuous operation.
Replaceable Bearing Brands/Series:
SKF NU 210 ECM/C3:
- A high-performance SKF equivalent designed for electric motors, gearboxes, and industrial applications.
FAG NU 210-E-M1-C3:
- Known for its durability and load capacity, this FAG bearing is a great alternative in high-load environments like industrial gearboxes and wind turbines.
NSK NU210ET:
- Offers a reliable and efficient replacement with similar properties, used commonly in electric motors and pumps.
KOYO NU210:
- A solid replacement option for general machinery, pumps, and electric motors, offering similar load-handling capacities.
NTN NU210E:
- Another popular option for heavy-duty applications such as conveyor systems and industrial motors.
NACHI NU210EG:
- Known for its precision and load-carrying abilities, this NACHI bearing is often used in industrial gearboxes and motors.
NU 210 ECM/C3HVA3091 Bearing Cross Reference and Interchange
| Bearing Model | Cross Reference/Interchange |
|---|---|
| Amigo NU210ECMC3HVA3091 | SKF NU210ECMC3HVA3091 |
| FAG NU210-E-M1-C3 | NSK NU210EM |
| KOYO NU210R | NTN NU210E |
| NACHI NU210EG | TIMKEN NU210E |
These bearings can be interchanged in machines requiring NU 210 ECM/C3HVA3091 dimensions and performance characteristics.
Choosing the Right Bearing
Choosing Amigo NU 210 ECM/C3HVA3091 ensures that your machinery can operate efficiently, with less downtime due to electrical faults, while maintaining cost-efficiency and high performance in demanding applications.
When to Choose NU 210 ECM/C3HVA3091 Bearings?
High-Speed Applications: If your machinery operates at higher speeds, up to 9,000 r/min, the Amigo NU 210 ECM/C3HVA3091 is an ideal choice due to its high-speed performance and limiting speed capabilities.
Electrical Insulation: Choose NU 210 ECM/C3HVA3091 bearings when your application involves electric motors or generators, where electrical discharges can occur. The INSOCOAT insulation protects against electrical damage, ensuring longer life and better operational stability.
Heavy Load Requirements: The dynamic and static load ratings of Amigo NU 210 ECM/C3HVA3091 match top competitors like SKF, making it suitable for handling high radial loads in heavy-duty applications like gearboxes, industrial pumps, and motors.
Durability and Precision: The C3H radial clearance offers smoother rotation under heavy loads while maintaining consistent performance across different operating environments. The machined metal cage adds durability, ensuring longevity in demanding applications.
Advantages of Amigo NU 210 ECM/C3HVA3091 Over Other Models
Cost-Effective: Amigo bearings provide the same performance as premium brands like SKF and FAG but at a more competitive price, giving you better value for money.
Electrical Insulation: Unlike many alternatives (such as FAG and KOYO models), the Amigo NU 210 ECM/C3HVA3091 includes an INSOCOAT insulation coating, which protects against electrical currents that can lead to bearing failure.
| Feature/Specification | Amigo NU 210 ECM/C3HVA3091 | SKF NU 210 ECM/C3HVA3091 | FAG NU210-E-M1-C3 | NSK NU210EM | KOYO NU210R | NTN NU210E |
|---|---|---|---|---|---|---|
| Bore Diameter (mm) | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Outside Diameter (mm) | 90 mm | 90 mm | 90 mm | 90 mm | 90 mm | 90 mm |
| Width (mm) | 20 mm | 20 mm | 20 mm | 20 mm | 20 mm | 20 mm |
| Dynamic Load Rating (kN) | 73.5 | 73.5 | 70.5 | 72 | 68 | 72.5 |
| Static Load Rating (kN) | 69.5 | 69.5 | 68 | 66 | 65 | 66.5 |
| Reference Speed (r/min) | 8,500 | 8,500 | 8,000 | 7,800 | 7,500 | 7,800 |
| Limiting Speed (r/min) | 9,000 | 9,000 | 8,500 | 8,300 | 8,000 | 8,300 |
| Insulation Coating | Yes | Yes | No | No | No | No |
| Radial Internal Clearance | C3H | C3H | C3 | C3 | C3 | C3 |
| Weight | 0.551 kg | 0.551 kg | 0.57 kg | 0.56 kg | 0.56 kg | 0.57 kg |
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Why Amigo NU 210 ECM/C3HVA3091 Bearings Are the Top Choice
I’ve been using the Amigo NU 210 ECM/C3HVA3091 bearings in my electric motors for about six months now, and I am thoroughly impressed. These bearings feel just as solid as the SKF ones I’ve used before. The insulation coating is excellent, especially for high-temperature environments. Installation was a breeze, and the performance has been top-notch with minimal friction. I highly recommend Amigo bearings for anyone looking for reliability at a competitive price. They are definitely comparable to higher-end brands.
Michael D.
I was hesitant to switch from SKF, but I decided to give the Amigo NU 210 ECM/C3HVA3091 a try based on recommendations. After three months of use, I can confidently say these bearings have exceeded my expectations. They run smoothly in my industrial pumps, and the quality is indistinguishable from the SKF bearings we previously used. The price difference is an added bonus, without compromising on quality. I’ll definitely be using Amigo bearings again!
Sarah K.
We replaced all our SKF bearings with Amigo NU 210 ECM/C3HVA3091 bearings in one of our heavy-duty machines, and I must say, these bearings perform just as well. They handle the load without any issues, and the insulation coating helps in our high-voltage applications. They’ve been running for a while now without any signs of wear or noise. Amigo bearings have proven to be a reliable and cost-effective alternative, and we’ll be sticking with them moving forward.
John P.
We recently started using Amigo NU 210 ECM/C3HVA3091 bearings in our generator motors, and I can’t believe how well they compare to the SKF bearings we were using. The smoothness and durability are virtually identical, and we haven’t had any issues with wear or overheating. For the price and quality, Amigo bearings are an excellent choice. I’d definitely recommend them to anyone looking for premium performance without the premium price tag.
Emily T.
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