NU 228 ECM 140x250x42 Bearing
Single Row Cylindrical Roller Bearing
The NU 228 ECM Single Row Cylindrical Roller Bearing is a high-performance bearing designed to handle heavy radial loads while offering superior durability and reliability. With a bore diameter of 140mm, an outside diameter of 250mm, and a width of 42mm, it provides an optimal solution for industrial applications requiring high speed and load-bearing capabilities. The machined brass cage ensures reduced friction and smooth operation, making it ideal for demanding environments. Its ability to accommodate axial displacement in both directions makes it particularly suitable for motor drives, gearboxes, and heavy-duty machinery. This bearing offers excellent performance and longevity, comparable to other leading brands.
Performance Overview of the NU 228 ECM Bearings
| Attribute | Value |
|---|---|
| Brand | AMIGO NU 228 ECM | Interchangeable With: SKF NU 228 ECM |
| Bore Diameter | 140 mm |
| Outside Diameter | 250 mm |
| Width | 42 mm |
| Basic Dynamic Load Rating | 450 kN |
| Basic Static Load Rating | 510 kN |
| Reference Speed | 2,800 r/min |
| Limiting Speed | 3,200 r/min |
| Product Net Weight | 9.05 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) | 140x250x42 |
| Attribute | Value |
|---|---|
| Brand | AMIGO NU 228 ECM | Interchangeable With: SKF NU 228 ECM |
| Bore Diameter | 5.512 in |
| Outside Diameter | 9.843 in |
| Width | 1.654 in |
| Basic Dynamic Load Rating | 101,164 lbf |
| Basic Static Load Rating | 114,653 lbf |
| Reference Speed | 2,800 r/min |
| Limiting Speed | 3,200 r/min |
| Product Net Weight | 19.956 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) | 5.512x9.843x1.654 |
Specifications Overview of the NU 228 ECM Bearings
| Attribute | Value |
|---|---|
| Bore diameter | 140 mm |
| Outside diameter | 250 mm |
| Width | 42 mm |
| Shoulder diameter of outer ring | ≈ 215.78 mm |
| Raceway diameter of inner ring | 169 mm |
| Chamfer dimension (r₁,₂) | min. 3 mm |
| Chamfer dimension (r₃,₄) | min. 3 mm |
| Permissible axial displacement (s) | max. 2.5 mm |
| Diameter of spacer sleeve (dₐ) | min. 154 mm |
| Diameter of spacer sleeve (dₐ) | max. 165 mm |
| Diameter of shaft abutment (dᵦ) | min. 172 mm |
| Diameter of housing abutment (Dₐ) | max. 235 mm |
| Radius of fillet (rₐ) | max. 2.5 mm |
| Radius of fillet (rᵦ) | max. 2.5 mm |
| Attribute | Value |
|---|---|
| Bore diameter | 5.512 in |
| Outside diameter | 9.843 in |
| Width | 1.654 in |
| Shoulder diameter of outer ring | ≈ 8.495 in |
| Raceway diameter of inner ring | 6.654 in |
| Chamfer dimension (r₁,₂) | min. 0.118 in |
| Chamfer dimension (r₃,₄) | min. 0.118 in |
| Permissible axial displacement (s) | max. 0.098 in |
| Diameter of spacer sleeve (dₐ) | min. 6.063 in |
| Diameter of spacer sleeve (dₐ) | max. 6.496 in |
| Diameter of shaft abutment (dᵦ) | min. 6.772 in |
| Diameter of housing abutment (Dₐ) | max. 9.252 in |
| Radius of fillet (rₐ) | max. 0.098 in |
| Radius of fillet (rᵦ) | max. 0.098 in |
Applicable Machines and Industries
The NU 228 ECM Single Row Cylindrical Roller Bearings are widely used in various heavy machinery and industrial applications. Below is a list of machines and their functions, along with interchangeable bearing brands and series:
Machines:
- Cement Mixers
- Function: Supports rotation in high-load areas, handling axial and radial loads in harsh environments.
- Mining Equipment (Crushers)
- Function: Ensures smooth and efficient motion in vibrating components, carrying heavy radial loads.
- Steel Mills (Rolling Mills)
- Function: Facilitates the rolling process by withstanding axial displacement and high temperatures.
- Conveyor Systems
- Function: Supports belt movement and smooths operation under heavy loads in material handling applications.
- Gearboxes
- Function: Handles both radial and axial loads, ensuring smooth transmission and rotation within industrial gearboxes.
- Pumps
- Function: Provides stable shaft support under both radial and axial forces, ensuring efficient pump operation.
Interchangeable Bearing Brands/Series:
- SKF: NU 228 ECML
- FAG: NU228-E-M1
- NTN: NU 228
- NSK: NU228EM
- KOYO: NU228M
These machines utilize the NU 228 ECM bearing for its ability to manage high radial loads and accommodate axial displacements, making it ideal for heavy-duty industrial applications.
NU 228 ECM Bearing Cross Reference and Interchange
| Manufacturer | Model Number |
|---|---|
| FAG | NU 228 E-XL-M1 |
| SKF | NU 228 ECM |
| Amigo | NU 228 ECM |
| NTN | NU 228 |
| NSK | NU 228EM |
| KOYO | NU 228M |
This table lists interchangeable bearing models from various manufacturers that can be used in place of the Amigo NU 228 ECM bearing. These bearings offer similar specifications and performance, making them compatible alternatives for different industrial machinery.
Choosing the Right Bearing
To add a product comparison module to the webpage for NU 228 ECM Single Row Cylindrical Roller Bearings, we can create a comparison table highlighting the features and advantages of Amigo NU 228 ECM against similar models from other brands. This helps users make more informed decisions by showcasing the benefits of using Amigo bearings over others.
Why Choose Amigo NU 228 ECM?
Cost-Effective: Amigo bearings provide the same high performance as premium brands like SKF but at a more competitive price, offering great value for customers seeking both quality and affordability.
Durability: With a machined metal cage and excellent load ratings, Amigo bearings are designed for heavy-duty use, ensuring long-term reliability in demanding applications.
Performance Parity: The Amigo NU 228 ECM delivers identical specifications in terms of load rating, limiting speed, and axial displacement as compared to SKF, FAG, and NTN, ensuring seamless performance in industrial machines.
Compatibility: Amigo NU 228 ECM bearings can be used interchangeably with leading brands such as SKF and FAG, making them an excellent replacement option without compromising on performance.
- If you’re looking for a high-quality cylindrical roller bearing that offers identical performance to premium brands but at a more affordable price point.
- When your application demands high load capacity and reliability in both static and dynamic conditions.
- If your machinery requires a bearing that can withstand high speeds while maintaining durability and efficiency.
This comparison module will guide users to see the clear advantages of choosing Amigo NU 228 ECM bearings over competitors.
| Feature | Amigo NU 228 ECM | SKF NU 228 ECM | FAG NU 228 E-XL-M1 | NTN NU 228 | KOYO NU 228M |
|---|---|---|---|---|---|
| Bore Diameter | 140 mm | 140 mm | 140 mm | 140 mm | 140 mm |
| Outside Diameter | 250 mm | 250 mm | 250 mm | 250 mm | 250 mm |
| Width | 42 mm | 42 mm | 42 mm | 42 mm | 42 mm |
| Basic Dynamic Load Rating (Cr) | 450 kN | 450 kN | 450 kN | 450 kN | 450 kN |
| Basic Static Load Rating (C0r) | 510 kN | 510 kN | 510 kN | 510 kN | 510 kN |
| Limiting Speed | 3200 r/min | 3200 r/min | 3200 r/min | 3200 r/min | 3200 r/min |
| Cage Material | Machined Metal | Machined Metal | Machined Metal | Machined Metal | Machined Metal |
| Axial Displacement Capability | In both directions | In both directions | In both directions | In both directions | In both directions |
| Sealing | Without | Without | Without | Without | Without |
| Lubricant | None | None | None | None | None |
| Price | Competitive & Affordable | Premium | Moderate | Moderate | Budget-Friendly |
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Why Amigo NU 228 ECM Bearings Are the Top Choice
"After switching to the Amigo NU 228 ECM Single Row Cylindrical Roller Bearing, our machinery has been running smoothly with no noticeable difference compared to SKF bearings we previously used. The build quality is solid, and the performance has been excellent under heavy loads. We've experienced consistent reliability, and it feels just like working with the high-end bearings from other top brands."
Gregory Conn
"We’ve been using Amigo NU 228 ECM bearings for several months now, and they have proven to be just as good as the more expensive SKF options. These bearings handle radial loads effectively, and installation was straightforward. The performance under high-speed operations is impressive, and they offer the same level of durability we expect from premium brands."
Lamar Hayes
"The Amigo NU 228 ECM bearings have been a great addition to our equipment. We previously used SKF bearings, and I can confidently say the performance is indistinguishable. These bearings operate quietly and efficiently, even under heavy use. Their durability and quality have exceeded our expectations, making them a cost-effective alternative to other well-known brands."
Adeline Douglas
"We replaced our old bearings with the Amigo NU 228 ECM Single Row Cylindrical Roller Bearings and were pleasantly surprised by how well they performed. They feel as reliable as SKF bearings, with no drop in quality or performance. They’ve handled continuous, high-load operations with ease, and the wear resistance has been impressive. Highly recommended for anyone looking for a high-performance, budget-friendly option."
Erick Pagac
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