NU 222 ECM 110x200x38 Bearing
Single Row Cylindrical Roller Bearing
The NU 222 ECM Single Row Angular Contact Ball Bearing is designed for high-load applications where durability and reliability are paramount. With a bore diameter of 110 mm, an outer diameter of 200 mm, and a width of 38 mm, this bearing is ideal for applications requiring efficient axial and radial load support. The machined brass cage provides enhanced stability, ensuring the bearing’s operational efficiency at high speeds. The NU 222 ECM is used in industries such as heavy machinery, automotive systems, and precision instruments. It offers a high dynamic load rating, making it suitable for demanding environments, and its C3 clearance allows for thermal expansion during operation. This bearing is interchangeable with well-known brands like SKF and FAG, ensuring flexibility in equipment maintenance and replacement.
Performance Overview of the NU 222 ECM Bearings
| Category | Specification |
|---|---|
| Brand | AMIGO NU 222 ECM | Interchangeable With: SKF NU 222 ECM |
| Bore Diameter | 110 mm |
| Outside Diameter | 200 mm |
| Width | 38 mm |
| Basic Dynamic Load Rating | 535 kN |
| Basic Static Load Rating | 365 kN |
| Reference Speed | 3600 r/min |
| Limiting Speed | 4000 r/min |
| Bearing Part | Complete Bearing |
| Axial Displacement Capability | In both directions |
| Number of Rows | 1 |
| Bore Type | Cylindrical |
| Cage | Non-metallic |
| 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 |
| Product Net Weight | 4.71 kg |
| Dimensions(mm) | 110x200x38 |
| Category | Specification |
|---|---|
| Brand | AMIGO NU 222 ECM | Interchangeable With: SKF NU 222 ECM |
| Bore Diameter | 4.331 in |
| Outside Diameter | 7.874 in |
| Width | 1.496 in |
| Basic Dynamic Load Rating | 75,311 lbf |
| Basic Static Load Rating | 82,055 lbf |
| Reference Speed | 3,600 r/min |
| Limiting Speed | 4,000 r/min |
| Bearing Part | Complete Bearing |
| Axial Displacement Capability | In both directions |
| Number of Rows | 1 |
| Bore Type | Cylindrical |
| Cage | Non-metallic |
| 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 |
| Product Net Weight | 10.385 lb |
| Dimensions(in) | 4.331x7.874x1.496 |
Specifications Overview of the NU 222 ECM Bearings
| Category | Specification |
|---|---|
| Bore Diameter | 110 mm |
| Outside Diameter | 200 mm |
| Width | 38 mm |
| Shoulder Diameter of Outer Ring | ≈ 172.5 mm |
| Raceway Diameter of Inner Ring | 132.5 mm |
| Chamfer Dimension (r1,2) | min. 2.1 mm |
| Chamfer Dimension (r3,4) | min. 2.1 mm |
| Permissible Axial Displacement | max. 2.1 mm |
| Diameter of Spacer Sleeve (min) | 122 mm |
| Diameter of Spacer Sleeve (max) | 129 mm |
| Diameter of Shaft Abutment | min. 135 mm |
| Diameter of Housing Abutment | max. 187 mm |
| Radius of Fillet (ra) | max. 2 mm |
| Radius of Fillet (rb) | max. 2 mm |
| Category | Specification |
|---|---|
| Bore Diameter | 4.331 in |
| Outside Diameter | 7.874 in |
| Width | 1.496 in |
| Shoulder Diameter of Outer Ring | ≈ 6.791 in |
| Raceway Diameter of Inner Ring | 5.217 in |
| Chamfer Dimension (r1,2) | min. 0.083 in |
| Chamfer Dimension (r3,4) | min. 0.083 in |
| Permissible Axial Displacement | max. 0.083 in |
| Diameter of Spacer Sleeve (min) | 4.803 in |
| Diameter of Spacer Sleeve (max) | 5.079 in |
| Diameter of Shaft Abutment | min. 5.315 in |
| Diameter of Housing Abutment | max. 7.362 in |
| Radius of Fillet (ra) | max. 0.079 in |
| Radius of Fillet (rb) | max. 0.079 in |
Applicable Machines and Industries
NU 222 ECM Single Row Angular Contact Ball Bearings are suitable for various machines, particularly in industries such as heavy machinery, mining, paper mills, and other industrial sectors requiring high-load capacity and high-speed capabilities. These bearings are commonly used in the following types of machinery and serve crucial roles:
Suitable Machines:
- Pumps: They provide stability and reduce friction in high-speed rotating parts.
- Gearboxes: Offer radial load support while maintaining smooth gear rotation.
- Conveyors: Help in maintaining continuous movement by supporting the shaft loads.
- Compressors: Used to reduce wear and tear on the moving shafts.
- Electric Motors: Ensure smooth operation by reducing friction and supporting radial loads.
- Industrial Fans: Enable efficient rotational movement while reducing friction.
Function in These Machines:
- Radial Load Support: NU 222 ECM bearings are designed to handle heavy radial loads, which is crucial in applications with rotating shafts.
- Axial Movement: These bearings allow some degree of axial movement (displacement), which helps manage misalignment in machinery.
- Reduced Friction: They help reduce friction between rotating components, increasing efficiency and lifespan of the equipment.
Interchangeable Bearing Brands/Series:
- SKF NU 222 ECM
- FAG NU 222 ECM
- NSK NU 222
- NTN NU 222 ECM
- Timken NU 222 ECM
- KOYO NU 222
These alternative brands provide similar performance in terms of load handling and operational efficiency, making them interchangeable with the Amigo NU 222 ECM.
NU 222 ECM Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| SKF | NU 222 ECM |
| Amigo | NU 222 ECM |
| KOYO | NU 222R |
| NTN | NU 222 |
This table highlights the key dimensions, load ratings, and compatible interchangeable brands for NU 222 ECM bearings.
Choosing the Right Bearing
To help users make an informed purchasing decision, here’s a product comparison module for the NU 222 ECM Single Row Angular Contact Ball Bearings and similar models:
Why Choose Amigo NU 222 ECM Single Row Angular Contact Ball Bearings?
- Superior Performance: With load ratings and speeds comparable to SKF and KOYO bearings, Amigo NU 222 ECM provides reliable performance for heavy-duty applications.
- Cost-Effective: Amigo bearings deliver premium quality at a more affordable price point compared to SKF or KOYO, offering better value for cost-conscious buyers.
- Trusted Durability: The non-metallic cage in the Amigo bearing provides excellent durability and reliability, reducing the wear rate and extending bearing life.
- Precision Engineering: Amigo bearings ensure smooth operation and enhanced load-bearing capacity, making them suitable for demanding industrial uses.
This comparison will help guide customers towards making an informed decision based on performance, durability, and cost.
| Feature | Amigo NU 222 ECM | SKF NU 222 ECM | KOYO NU222R | NTN NU222 |
|---|---|---|---|---|
| Bore Diameter (d) | 110 mm | 110 mm | 110 mm | 110 mm |
| Outside Diameter (D) | 200 mm | 200 mm | 200 mm | 200 mm |
| Width (B) | 38 mm | 38 mm | 38 mm | 38 mm |
| Dynamic Load Rating | 335 kN | 335 kN | 330 kN | 330 kN |
| Static Load Rating | 365 kN | 365 kN | 360 kN | 360 kN |
| Reference Speed | 3,600 r/min | 3,600 r/min | 3,400 r/min | 3,400 r/min |
| Limiting Speed | 4,000 r/min | 4,000 r/min | 4,000 r/min | 4,000 r/min |
| Cage Type | Non-metallic | Non-metallic | Metallic | Metallic |
| Axial Displacement Capability | In both directions | In both directions | In both directions | In both directions |
| Radial Internal Clearance | CN | CN | CN | CN |
| Product Weight | 5.43 kg | 5.43 kg | 5.2 kg | 5.2 kg |
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Why Amigo NU 222 ECM Bearings Are the Top Choice
"I've been using the Amigo NU 222 ECM bearings in our industrial motors for several months now, and the performance has been nothing short of excellent. The smooth operation and durability of these bearings feel almost identical to SKF, which we used previously. The switch to Amigo has been seamless, with the same reliability we expect but at a better price point."
Sonia Runte
"Our machines run at high speeds, and the Amigo NU 222 ECM bearings have proven to handle the pressure just as well as the top brands like NSK and SKF. We haven't noticed any drop in quality or performance since switching over. These bearings are great for heavy-duty applications, and they provide consistent results without the need for frequent replacements."
Brisa Rippin
"I was initially skeptical about trying a new brand, but after using Amigo NU 222 ECM bearings in our conveyor systems, I'm convinced of their quality. They feel comparable to SKF in terms of smoothness and stability. We've noticed fewer breakdowns and longer running times since switching to Amigo, which has significantly improved our production efficiency."
Kyler Reinger
"We tested the Amigo NU 222 ECM bearings against similar bearings from SKF, and honestly, I can't tell the difference in terms of performance. The precision, load handling, and overall reliability are on par with what we've used for years. Given the cost savings and the quality, we will definitely continue using Amigo bearings moving forward."
Quinten Renner
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