NU 218 ECM/C3VL0241 90x160x30 Bearing
Single Row Cylindrical Roller Bearing
The NU 218 ECM/C3VL0241 Single Row Cylindrical Roller Bearing is a high-quality bearing designed to meet the demanding requirements of modern industrial applications. This bearing offers a combination of excellent radial load capacity, durability, and unique electrical insulation properties, making it a perfect choice for electrically sensitive applications, such as electric motors, generators, and other heavy-duty machinery.
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Performance Overview of the NU 218 ECM/C3VL0241 Bearings
Category | Detail/Specification |
---|---|
Brand | AMIGO NU 218 ECM/C3VL0241| Interchangeable With: SKF NU 218 ECM/C3VL0241 |
Bore diameter | 90 mm |
Outside diameter | 160 mm |
Width | 30 mm |
Basic dynamic load rating | 208 kN |
Basic static load rating | 220 kN |
Reference speed | 4,500 r/min |
Limiting speed | 5,000 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 | C3 |
Tolerance class | Normal |
Material, bearing | Bearing steel |
Coating | Insulation coating on outer ring |
Sealing | Without |
Lubricant | None |
Relubrication feature | Without |
Dimensions(mm) | 90x160x30 |
Category | Detail/Specification |
---|---|
Brand | AMIGO NU 218 ECM/C3VL0241| Interchangeable With: SKF NU 218 ECM/C3VL0241 |
Bore diameter | 3.543 in |
Outside diameter | 6.299 in |
Width | 1.181 in |
Basic dynamic load rating | 46,760 lbf |
Basic static load rating | 49,458 lbf |
Reference speed | 4,500 r/min |
Limiting speed | 5,000 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 | C3 |
Tolerance class | Normal |
Material, bearing | Bearing steel |
Coating | Insulation coating on outer ring |
Sealing | Without |
Lubricant | None |
Relubrication feature | Without |
Dimensions(mm) | 90x160x30 |
Specifications Overview of the NU 218 ECM/C3VL0241 Bearings
Details | Specifications |
---|---|
Bore diameter | 90 mm |
Outside diameter | 160 mm |
Width | 30 mm |
Raceway diameter inner ring | 107 mm |
Permissible axial displacement | max. 1.8 mm |
Chamfer dimension (r?,?) | min. 2 mm |
Chamfer dimension (r?,?) | min. 2 mm |
Details | Specifications |
---|---|
Bore diameter | 3.543 in |
Outside diameter | 6.299 in |
Width | 1.181 in |
Raceway diameter inner ring | 4.213 in |
Permissible axial displacement | max. 0.071 in |
Chamfer dimension (r?,?) | min. 0.079 in |
Chamfer dimension (r?,?) | min. 0.079 in |
Applicable Machines and Industries
The NU 218 ECM/C3VL0241 Single Row Cylindrical Roller Bearing is suitable for a wide range of industrial applications, particularly in machines where both radial load capacity and electrical insulation are required. Below is a detailed explanation of the machines where this bearing is used, its role in these machines, and a list of brands or series of replaceable bearings.
Suitable Machines for NU 218 ECM/C3VL0241 Bearing:
Electric Motors
- Role: The bearing provides electrical insulation due to the Insocoat coating on the outer ring, preventing electrical erosion from stray currents that can damage standard bearings. Its cylindrical roller design also allows it to handle high radial loads efficiently in electric motors.
Generators
- Role: In generators, the NU 218 ECM/C3VL0241 prevents electrical current from passing through the bearing, thereby reducing the risk of premature wear and failure due to electrical erosion. The bearing also supports the rotor, ensuring smooth, high-speed operation under heavy radial loads.
Pumps and Compressors
- Role: These machines often face high radial loads, and the NU 218 ECM/C3VL0241 excels at distributing these loads evenly due to its cylindrical roller design. Its electrical insulation is an added advantage in motor-driven pumps and compressors.
Gearboxes
- Role: In gearboxes, this bearing helps manage high radial loads while providing insulation from any electrical currents that might pass through the system. Its ability to handle high speeds and radial forces makes it an excellent choice for gearboxes operating under extreme conditions.
Fans and Blowers
- Role: In large industrial fans and blowers, the NU 218 ECM/C3VL0241 bearing supports the shaft and ensures smooth rotation, even under high loads. The insulation coating prevents any electrical interference, making it ideal for use in electrically sensitive environments.
Conveyor Systems
- Role: Conveyor systems, especially those driven by electric motors, benefit from the NU 218 ECM/C3VL0241’s high load-carrying capacity and electrical insulation. The bearing ensures smooth and continuous operation, reducing maintenance downtime.
Role of NU 218 ECM/C3VL0241 Bearing in These Machines:
- Electrical Insulation: The Insocoat coating prevents electrical currents from damaging the bearing, which is especially critical in machines like electric motors and generators.
- High Radial Load Handling: The cylindrical roller design of the bearing allows it to efficiently handle high radial loads, ensuring smooth operation even in high-stress environments.
- Durability: The bearing is designed to withstand high speeds and temperatures, making it suitable for demanding industrial applications.
Replaceable Bearings (Cross-Reference List)
Below is a list of brands and series of bearings that are replaceable with the NU 218 ECM/C3VL0241:
SKF NU 218 ECM/C3VL0241
- Equivalent model from SKF, offering the same electrical insulation properties and load capacity.
FAG NU 218-E-TVP2
- A similar cylindrical roller bearing from FAG, without the electrical insulation feature. This bearing is suited for non-electrically sensitive environments.
NSK NU 218 EM
- Another high-performance cylindrical roller bearing. While it may lack the insulation of the Insocoat series, it can replace the NU 218 ECM/C3VL0241 in environments where electrical insulation is not critical.
NTN NU 218 E
- A reliable alternative with similar load-carrying capabilities, commonly used in industrial applications where electrical insulation is not necessary.
KOYO NU 218 R
- Equivalent model from KOYO, offering the same radial load capacity and cylindrical roller design, though without electrical insulation.
Timken NU 218 ECM
- A similar cylindrical roller bearing from Timken, used in various industrial applications, though it may not have the electrical insulation of the Insocoat series.
NU 218 ECM/C3VL0241 Bearing Cross Reference and Interchange
Brand | Equivalent Model |
---|---|
Amigo | NU 218 ECM/C3VL0241 |
SKF | NU 218 ECM/C3VL0241 |
The NU 218 ECM/C3VL0241 is commonly used in industrial applications such as electric motors, generators, compressors, and pumps, where electrical insulation and high radial load capacities are critical.
Choosing the Right Bearing
Choose the Amigo NU 218 ECM/C3VL0241 if you are looking for a reliable, cost-effective solution with electrical insulation.
When to Choose the Amigo NU 218 ECM/C3VL0241 Bearing:
The Amigo NU 218 ECM/C3VL0241 bearing stands out for its combination of electrical insulation (Insocoat) and high load-carrying capacity, making it the ideal choice for applications where electrical insulation is necessary. This bearing is designed for:
- Electric motors and generators where insulation is crucial to prevent electrical erosion.
- Pumps and compressors in motor-driven systems where high radial loads are common.
- Industrial applications that require bearings capable of handling moderate speeds with minimal maintenance.
Advantages of Amigo NU 218 ECM/C3VL0241 Over Other Models:
Cost-Effective Insulation: Unlike other models that either lack insulation or come at a higher cost, the Amigo NU 218 ECM/C3VL0241 provides high-quality Insocoat protection at a more affordable price compared to brands like SKF.
Durability: The machined metal cage provides higher strength and durability than alternatives using pressed steel or fiberglass-reinforced cages.
High Load Capacity: The Amigo bearing matches the performance of premium models like SKF and surpasses non-insulated models in terms of versatility and durability in electrically sensitive environments.
Brand | Model | Insulation | Load Capacity (Dynamic/Static) | Speed Limit (r/min) | Cage Type | Relubrication |
---|---|---|---|---|---|---|
Amigo | NU 218 ECM/C3VL0241 | Yes (Insocoat) | 208 kN / 220 kN | 4,500 / 5,000 | Machined metal | No |
SKF | NU 218 ECM/C3VL0241 | Yes (Insocoat) | 208 kN / 220 kN | 4,500 / 5,000 | Machined metal | No |
FAG | NU 218-E-TVP2 | No | 190 kN / 205 kN | 4,800 / 5,200 | Glass-fiber-reinforced | Yes |
NSK | NU 218 EM | No | 185 kN / 195 kN | 4,600 / 5,100 | Machined brass | Yes |
NTN | NU 218 E | No | 190 kN / 210 kN | 4,700 / 5,200 | Machined steel | No |
KOYO | NU 218 R | No | 185 kN / 205 kN | 4,500 / 5,000 | Pressed steel | Yes |
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Why Amigo NU 218 ECM/C3VL0241 Bearings Are the Top Choice
"I've been using the Amigo NU 218 ECM/C3VL0241 bearing for several months now in our electric motors, and I must say, they perform just as well as the more expensive SKF bearings. The insulation coating works flawlessly, protecting our equipment from stray currents. The build quality feels solid, and I honestly can't tell the difference between these and the SKF models we've used before. Great value for the price!"
John Thompson
"The Amigo NU 218 ECM/C3VL0241 bearing exceeded my expectations! We replaced some older bearings in our generator, and these Amigo bearings fit perfectly and work just like SKF bearings we’ve used in the past. The insulation on the outer ring is a fantastic feature, and it’s helped reduce electrical wear significantly. They’re just as reliable but at a much better price point. Highly recommend!"
Emily Jackson
"I was a bit skeptical about switching from SKF to Amigo, but the NU 218 ECM/C3VL0241 bearings have been great so far. They handle high loads without any issues, and the insulation coating is holding up well. In terms of performance, these bearings feel almost identical to the SKF ones we've been using, but they come at a more reasonable price. Definitely a smart buy if you're looking for quality without the premium price tag."
Michael Anderson
"Amigo bearings have always been a reliable choice for us, and the NU 218 ECM/C3VL0241 model is no exception. We installed them in several electric motors and compressors, and they’ve been working smoothly ever since. I’ve used SKF bearings before, and these feel very similar in terms of performance and durability. The price difference makes Amigo an excellent alternative, especially for large-scale operations where cost efficiency matters."
Sarah Williams