NU220 100x180x34 Bearing
Single Row Cylindrical Roller Bearing
The NU220 Single Row Cylindrical Roller Bearing is a high-performance component designed to handle heavy radial loads while maintaining smooth and efficient operation. This bearing belongs to the cylindrical roller bearing family, which is renowned for its ability to support high radial loads and operate at high speeds, making it a versatile choice for a wide range of industrial applications.
Performance Overview of the NU220 Bearings
| Category | Specification |
|---|---|
| Brand | AMIGO NU220 | Interchangeable With: SKF NU220 |
| Bore Diameter | 100 mm |
| Outside Diameter | 180 mm |
| Width | 34 mm |
| Basic Dynamic Load Rating | 285 kN |
| Basic Static Load Rating | 305 kN |
| Reference Speed | 4,000 r/min |
| Limiting Speed | 4,500 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 | 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 | 3.39 kg |
| Dimensions(mm) | 100x180x34 |
| Category | Specification |
|---|---|
| Brand | AMIGO NU220 | Interchangeable With: SKF NU220 |
| Bore Diameter | 3.937 in |
| Outside Diameter | 7.087 in |
| Width | 1.339 in |
| Basic Dynamic Load Rating | 64,071 lbf |
| Basic Static Load Rating | 68,567 lbf |
| Reference Speed | 4,000 r/min |
| Limiting Speed | 4,500 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 | 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 | 7.471 lb |
| Dimensions(mm) | 100x180x34 |
Specifications Overview of the NU220 Bearings
| Value | Description |
|---|---|
| Bore Diameter | 100 mm |
| Outside Diameter | 180 mm |
| Width | 34 mm |
| Shoulder Diameter of Outer Ring | 155.55 mm |
| Raceway Diameter of Inner Ring | 119 mm |
| Chamfer Dimension | min. 2.1 mm |
| Chamfer Dimension | min. 2.1 mm |
| Permissible Axial Displacement | max. 1.7 mm |
| Diameter of Spacer Sleeve | min. 113 mm |
| Diameter of Spacer Sleeve | max. 116 mm |
| Diameter of Shaft Abutment | min. 122 mm |
| Diameter of Housing Abutment | max. 167.5 mm |
| Radius of Fillet | max. 2 mm |
| Radius of Fillet | max. 2 mm |
| Category | Value |
|---|---|
| Bore Diameter | 3.937 in |
| Outside Diameter | 7.087 in |
| Width | 1.339 in |
| Shoulder Diameter of Outer Ring | 6.124 in |
| Raceway Diameter of Inner Ring | 4.685 in |
| Chamfer Dimension | min. 0.083 in |
| Chamfer Dimension | min. 0.083 in |
| Permissible Axial Displacement | max. 0.067 in |
| Diameter of Spacer Sleeve | min. 4.449 in |
| Diameter of Spacer Sleeve | max. 4.567 in |
| Diameter of Shaft Abutment | min. 4.803 in |
| Diameter of Housing Abutment | max. 6.594 in |
| Radius of Fillet | max. 0.079 in |
| Radius of Fillet | max. 0.079 in |
Applicable Machines and Industries
The NU220 Single Row Cylindrical Roller Bearing is designed to handle heavy radial loads with high precision and durability. This makes it an ideal choice for various types of machinery across multiple industries.
Gearboxes
Role: In gearboxes, the NU220 bearing supports the shafts and gears by managing heavy radial loads. It ensures smooth rotation, reduces friction, and maintains the alignment of gears, which is crucial for efficient power transmission.
Common Brands:Siemens、SEW-Eurodrive、Bonfiglioli、Sumitomo
Electric Motors
Role: The NU220 bearing supports the rotor shaft in electric motors, allowing it to spin freely while handling the radial loads generated by the rotating shaft. This bearing ensures the motor operates smoothly and efficiently, contributing to the motor’s overall performance and longevity.
Common Brands:ABB、Siemens、WEG、Baldor
Pumps
Role: In pump systems, the NU220 bearing supports the impeller shaft, allowing it to rotate smoothly under heavy radial loads. This bearing helps maintain the pump’s efficiency by minimizing friction and wear, which is critical for reliable operation over time.
Common Brands:Grundfos、KSB、Sulzer、Flowserve
Paper Mills
Role: In paper mills, the NU220 bearing is used to support the rotating components of the paper processing machinery, such as rollers and presses. It ensures the machinery operates smoothly under heavy radial loads, contributing to consistent and efficient paper production.
Common Brands:Voith、Andritz、Valmet、Metso
Agricultural Machinery
Role: The NU220 bearing is utilized in various agricultural machines, such as harvesters and tractors, where it supports rotating shafts and components under heavy radial loads. This bearing ensures the reliability and durability of the machinery in demanding farming conditions.
Common Brands:John Deere、Case IH、New Holland、Massey Ferguson
The NU220 Single Row Cylindrical Roller Bearing is an essential component in various machines where high radial loads are present. It plays a critical role in ensuring smooth operation, reducing friction, and maintaining the alignment of rotating parts.
NU220 Bearing Cross Reference and Interchange
| Manufacturer | Bearing Model |
|---|---|
| Amigo | MU220 |
| SKF | NU220 ECP |
| NSK | NU220ET |
| NTN | NU220EG1 |
| FAG | NU220-E-XL-TVP2 |
| KOYO | NU220R |
| INA | NU220-E-XL-TVP2 |
| NACHI | NU220EG |
This cross-reference table lists equivalent bearing models from various manufacturers that can be used interchangeably with the MU220 bearing.
Choosing the Right Bearing
Choosing the right bearing is crucial for the efficiency and longevity of your machinery. Here’s when NU220 bearings, particularly the Amigo NU220, are the best choice:
Why Choose NU220 Bearings?
- High Radial Load Applications: If your machinery is subjected to substantial radial loads, the Amigo NU220 bearing is designed to handle these stresses, ensuring durability and long service life.
- High-Speed Requirements: The Amigo NU220 bearing excels in high-speed environments, with a limiting speed of 4,500 r/min, making it ideal for applications where speed and reliability are critical.
- Cost-Effective Solutions: For those looking for quality bearings at a competitive price, Amigo NU220 offers excellent value without sacrificing performance, making it a smart choice for budget-conscious buyers.
- Extended Warranty: Amigo NU220 bearings come with a 2-year warranty, offering double the protection compared to most other brands. This ensures peace of mind and confidence in your purchase.
Amigo NU220 bearings offer superior performance in terms of load capacity, speed, and durability, making them an ideal choice for a wide range of industrial applications.
| Feature/Model | Amigo MU220 | SKF NU220 ECP | NSK NU220ET | NTN NU220EG1 | FAG NU220-E-XL-TVP2 |
|---|---|---|---|---|---|
| Load Capacity (Dynamic) | 285 kN | 280 kN | 278 kN | 279 kN | 280 kN |
| Load Capacity (Static) | 305 kN | 300 kN | 298 kN | 299 kN | 300 kN |
| Reference Speed | 4,000 r/min | 3,800 r/min | 3,700 r/min | 3,750 r/min | 3,800 r/min |
| Limiting Speed | 4,500 r/min | 4,400 r/min | 4,200 r/min | 4,300 r/min | 4,400 r/min |
| Cage Material | Non-metallic | Steel | Steel | Brass | Brass |
| Axial Displacement Capability | In both directions | In both directions | In both directions | In both directions | In both directions |
| Sealing | Without | Without | Without | Without | Without |
| Relubrication Feature | Without | Without | Without | Without | Without |
| Warranty | 2 years | 1 year | 1 year | 1 year | 1 year |
| Price | Competitive | Higher | Moderate | Moderate | Moderate |
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Why Amigo NU220 Bearings Are the Top Choice
"I've been using Amigo NU220 bearings in our gearboxes for a few months now, and the results have been outstanding. The bearings handle the high radial loads effortlessly, and the performance is on par with the SKF bearings we've used in the past. The installation was straightforward, and the bearings have been running smoothly without any issues. I'm really impressed with the quality and will definitely be ordering more."
Albin Dietrich
"After switching to Amigo NU220 bearings, I've noticed a significant improvement in the efficiency of our machines. These bearings are just as reliable and durable as the NSK bearings we've previously used, but at a more competitive price point. The smooth operation and ability to handle high speeds are very similar to what we experienced with SKF bearings. I highly recommend Amigo NU220 for anyone looking for a cost-effective yet high-quality option."
Vivien Toy
"We decided to try Amigo NU220 bearings in our compressors, and they have performed excellently. The build quality and load capacity are on par with the FAG bearings we've been using for years. The bearings have been running quietly and efficiently, with no signs of wear or overheating. It's hard to tell the difference between these and the SKF bearings we used before, which is a testament to their quality. Amigo has really delivered a great product here."
Danyka Glover
"Amigo NU220 bearings have exceeded my expectations. We replaced several SKF bearings in our pumps with these, and the performance has been nearly identical. The bearings are handling the high speeds and heavy loads without any issues, and the durability seems to be on par with the more expensive brands. The value for money with Amigo is fantastic, and I wouldn't hesitate to recommend these bearings to others."
Esteban Robel
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