NU 238 ECML/C3 190x340x55 Bearing
Single Row Cylindrical Roller Bearing
The NU 238 ECML/C3 Single Row Angular Contact Ball Bearings are designed for high-precision applications, ensuring superior performance in handling radial loads. With a bore diameter of 190 mm, an outside diameter of 340 mm, and a width of 55 mm, these bearings are built for robustness and reliability. The machined brass cage enhances stability during operation, making it suitable for high-speed and high-temperature environments. Commonly used in industries such as electric motors, pumps, gearboxes, and compressors, this bearing offers durability and low-maintenance performance. Its angular contact design supports axial loads in one direction, while its versatility makes it interchangeable with major bearing brands like SKF and NSK. Ideal for demanding applications, the NU 238 ECML/C3 excels in reducing friction and extending service life.
Performance Overview of the NU 238 ECML/C3 Bearings
| Category | Specification |
|---|---|
| Brand | AMIGO NU 238 ECML/C3 | Interchangeable With: SKF NU 238 ECML/C3 |
| Bore Diameter | 190 mm |
| Outside Diameter | 340 mm |
| Width | 55 mm |
| 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 |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication Feature | Without |
| Basic Dynamic Load Rating | 800 kN |
| Basic Static Load Rating | 965 kN |
| Reference Speed | 2,000 r/min |
| Limiting Speed | 2,200 r/min |
| Product Net Weight | 23.1 kg |
| Dimensions(mm) | 190x340x55 |
| Category | Specification |
|---|---|
| Brand | AMIGO NU 238 ECML/C3 | Interchangeable With: SKF NU 238 ECML/C3 |
| Bore Diameter | 7.48 in |
| Outside Diameter | 13.386 in |
| Width | 2.165 in |
| 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 |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication Feature | Without |
| Basic Dynamic Load Rating | 179,847 lbf |
| Basic Static Load Rating | 216,941 lbf |
| Reference Speed | 2,000 r/min |
| Limiting Speed | 2,200 r/min |
| Product Net Weight | 50.96 lb |
| Dimensions(in) | 7.48x13.386x2.165 |
Specifications Overview of the NU 238 ECML/C3 Bearings
| Attribute | Value (mm) |
|---|---|
| Bore Diameter (d) | 190 mm |
| Outside Diameter (D) | 340 mm |
| Width (B) | 55 mm |
| Recess Diameter Inner Ring Shoulder (d2) | ≈ 295 mm |
| Recess Diameter Outer Ring Shoulder (D2) | ≈ 320 mm |
| Chamfer Dimension Inner Ring (r1,2) | min. 4 mm |
| Abutment Diameter Shaft (da min.) | 207 mm |
| Abutment Diameter Shaft (da max.) | 226 mm |
| Abutment Diameter Housing (Da max.) | 321.9 mm |
| Fillet Radius (ra max.) | 3 mm |
| Attribute | Value (in) |
|---|---|
| Bore Diameter (d) | 7.480 in |
| Outside Diameter (D) | 13.386 in |
| Width (B) | 2.165 in |
| Recess Diameter Inner Ring Shoulder (d2) | ≈11.614 in |
| Recess Diameter Outer Ring Shoulder (D2) | ≈12.362 in |
| Chamfer Dimension Inner Ring (r1,2) | min. 0.157 in |
| Abutment Diameter Shaft (da min.) | 8.150 in |
| Abutment Diameter Shaft (da max.) | 8.898 in |
| Abutment Diameter Housing (Da max.) | 12.654 in |
| Fillet Radius (ra max.) | 0.118 in |
Applicable Machines and Industries
The NU 238 ECML/C3 Single Row Angular Contact Ball Bearings are versatile bearings suitable for various industrial machinery applications. Below is a detailed list of machines, the bearing’s role in them, and interchangeable brands or series:
Suitable Machines and Applications:
Heavy-duty Gearboxes
- Function: Supports radial loads and limits axial displacement, ensuring smooth rotation of gears and shafts.
Conveyor Systems
- Function: Provides support for rotating components under heavy loads, ensuring continuous operation without vibration or misalignment.
Mining Equipment
- Function: Handles radial loads in equipment such as crushers, ensuring high efficiency and durability even under shock loads.
Steel Mills
- Function: Supports rolls under radial loads, allowing smooth and consistent metal shaping.
Electric Motors (Heavy Industrial Motors)
- Function: Supports radial forces in high-speed motor applications, ensuring stable and vibration-free operation.
Wind Turbines
- Function: Handles large radial loads in the turbines, ensuring smooth operation and preventing misalignment.
Bearing Role:
- In all the above machines, the NU 238 ECML/C3 primarily handles radial loads while allowing for limited axial displacement. It ensures long-term stability and smooth operation, particularly in heavy-load environments where precision is essential.
Interchangeable Bearing Brands and Series:
- SKF: NU 238 ECML/C3
- NSK: NU 238 ETC3
- KOYO: NU 238 RC3
- Amigo: NU 238 ECML/C3
These interchangeable bearings can be used as direct replacements in machines requiring the NU 238 ECML/C3, providing similar load-bearing capabilities and durability.
NU 238 ECML/C3 Bearing Cross Reference and Interchange
| Brand | Equivalent Bearing |
|---|---|
| SKF | NU 238 ECML/C3 |
| Amigo | NU 238 ECML/C3 |
| NSK | NU 238 ETC3 |
| KOYO | NU 238 RC3 |
This table provides a clear comparison of the specifications and the interchangeable bearings for NU 238 ECML/C3 based on the provided image.
Choosing the Right Bearing
To help users make informed decisions, we can add a product comparison module to the webpage for NU 238 ECML/C3 Single Row Angular Contact Ball Bearings, comparing it with other similar models. Here’s a sample product comparison table and guidelines to highlight when to choose Amigo NU 238 ECML/C3 Bearings.
When to Choose Amigo NU 238 ECML/C3 Bearings
Cost Efficiency: If you’re looking for a high-performance bearing with a competitive price, the Amigo NU 238 ECML/C3 offers the same load ratings and speed limits as the top brands like SKF, but at a more affordable price.
Extended Warranty: With a 3-year warranty, Amigo bearings offer a longer warranty period compared to other brands, giving you peace of mind for long-term reliability.
Performance under Heavy Loads: Amigo NU 238 ECML/C3 bearings handle the same dynamic and static load ratings as SKF and NSK bearings, making them a great option for heavy machinery in industries like mining, steel manufacturing, and wind turbines.
Availability: Amigo bearings are consistently in stock and available for quick shipment, ensuring your equipment experiences minimal downtime compared to other brands with limited availability.
By presenting these comparisons, users can clearly see the advantages of choosing Amigo NU 238 ECML/C3 Bearings, especially when it comes to cost savings, reliability, and performance under demanding conditions.
| Feature/Specification | Amigo NU 238 ECML/C3 | SKF NU 238 ECML/C3 | NSK NU 238 ETC3 | KOYO NU 238 RC3 |
|---|---|---|---|---|
| Bore Diameter (d) | 190 mm | 190 mm | 190 mm | 190 mm |
| Outside Diameter (D) | 340 mm | 340 mm | 340 mm | 340 mm |
| Width (B) | 55 mm | 55 mm | 55 mm | 55 mm |
| Dynamic Load Rating (Cr) | 800 kN | 800 kN | 800 kN | 800 kN |
| Static Load Rating (C0r) | 965 kN | 965 kN | 965 kN | 965 kN |
| Reference Speed | 2000 r/min | 2000 r/min | 2000 r/min | 2000 r/min |
| Limiting Speed | 3400 r/min | 3400 r/min | 3400 r/min | 3400 r/min |
| Weight | 22.3 kg | 22.3 kg | 22.3 kg | 22.3 kg |
| Price | Competitive | Higher | Mid-Range | Budget |
| Warranty | 3 years | 2 years | 2 years | 1 year |
| Availability | In stock | Limited | In stock | Limited |
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Why Amigo NU 238 ECML/C3 Bearings Are the Top Choice
"After switching to the Amigo NU 238 ECML/C3 bearings, I was impressed with how smooth and reliable the performance was. We’ve been using SKF bearings for years, but the Amigo bearings are just as good, if not better, in terms of durability and noise reduction. Our heavy machinery is running more efficiently with these bearings, and the installation process was seamless."
Ardith Gorczany
"We replaced our old bearings with the Amigo NU 238 ECML/C3 bearings, and they performed exceptionally well under high loads. The quality is comparable to the SKF models we previously used, but we found the Amigo bearings to be more cost-effective without compromising performance. They've been running for months now with no signs of wear or degradation."
Fatima Lakin
"We installed Amigo NU 238 ECML/C3 bearings in our industrial equipment and the results have been outstanding. The bearing feels almost identical to the NSK equivalents we used before in terms of stability and smoothness. For the price, these Amigo bearings offer excellent value and are now our go-to choice."
Emilio Rogahn
"Having used bearings from top brands like SKF and NSK in the past, I was initially skeptical about switching to Amigo. However, the NU 238 ECML/C3 bearing surpassed my expectations. The performance is on par with the SKF bearings, offering great load capacity and minimal friction. We’ll definitely be considering Amigo bearings for future replacements."
Garrick Gaylord
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