NU 322 110x240x50 Bearing
Single Row Cylindrical Roller Bearing
The NU 322 Single Row Angular Contact Ball Bearing is designed to provide excellent performance in applications requiring high radial loads and moderate thrust loads. With a bore diameter of 110 mm, an outer diameter of 240 mm, and a width of 50 mm, this bearing is suited for heavy-duty machinery such as industrial gearboxes, compressors, and electric motors. Its cylindrical roller design allows for reduced friction and increased durability under high speeds and temperatures. Featuring a machined brass cage, the NU 322 ensures stability and long operational life. The bearing offers versatility with interchangeability across brands like SKF, FAG, and NSK, making it a reliable choice for varied industrial uses.
Performance Overview of the NU 322 Bearings
| Category | Details |
|---|---|
| Brand | AMIGO NU 322 | Interchangeable With: SKF NU 322 |
| Bore diameter | 110 mm |
| Outside diameter | 240 mm |
| Width | 50 mm |
| Basic dynamic load rating | 530 kN |
| Basic static load rating | 540 kN |
| Reference speed | 3,000 r/min |
| Limiting speed | 3,400 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 | Sheet 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 |
| Product net weight | 10.3 kg |
| Dimensions(mm) | 110x240x50 |
| Category | Details |
|---|---|
| Brand | AMIGO NU 322 | Interchangeable With: SKF NU 322 |
| Bore diameter | 4.331 in |
| Outside diameter | 9.449 in |
| Width | 1.969 in |
| Basic dynamic load rating | 119,149 lbf |
| Basic static load rating | 121,397 lbf |
| Reference speed | 3,000 r/min |
| Limiting speed | 3,400 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 | Sheet 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 |
| Product net weight | 22.641 lb |
| Dimensions(in) | 4.331x9.449x1.969 |
Specifications Overview of the NU 322 Bearings
| Category | Value |
|---|---|
| Bore diameter | 110 mm |
| Outside diameter | 240 mm |
| Width | 50 mm |
| Shoulder diameter of outer ring | ≈ 200.05 mm |
| Raceway diameter of inner ring | 143 mm |
| Chamfer dimension (r1,2) | min. 3 mm |
| Chamfer dimension (r3,4) | min. 3 mm |
| Permissible axial displacement | max. 3 mm |
| Diameter of spacer sleeve (da) | min. 124 mm, max. 139 mm |
| Diameter of shaft abutment (db) | min. 146 mm |
| Diameter of housing abutment (Da) | max. 225.2 mm |
| Radius of fillet (ra, rb) | max. 2.5 mm |
| Category | Value |
|---|---|
| Bore diameter | 4.331 in |
| Outside diameter | 9.449 in |
| Width | 1.969 in |
| Shoulder diameter of outer ring | ≈ 7.876 in |
| Raceway diameter of inner ring | 5.63 in |
| Chamfer dimension (r1,2) | min. 0.118 in |
| Chamfer dimension (r3,4) | min. 0.118 in |
| Permissible axial displacement | max. 0.118 in |
| Diameter of spacer sleeve (da) | min. 4.882 in, max. 5.472 in |
| Diameter of shaft abutment (db) | min. 5.748 in |
| Diameter of housing abutment (Da) | max. 8.866 in |
| Radius of fillet (ra, rb) | max. 0.098 in |
Applicable Machines and Industries
The NU 322 Single Row Angular Contact Ball Bearings are commonly used in various industrial applications that require handling both radial and axial loads. These machines include:
Applicable Machines:
- Gearboxes – Help support high-speed rotating shafts.
- Centrifugal Pumps – Provide precise alignment and reduce friction during operation.
- Electric Motors – Ensure smooth rotation and minimal energy loss.
- Compressors – Improve efficiency by reducing mechanical resistance.
- Textile Machinery – Maintain high-speed, precise motion for consistent fabric processing.
- Conveyor Systems – Support heavy loads while maintaining steady motion in industrial conveyor setups.
Function in Machines:
- These bearings support both radial and axial loads, ensuring smooth rotation and operational efficiency, particularly in applications requiring high-speed and high-precision functionality. They also help reduce friction and enhance load distribution across moving parts.
Interchangeable Bearing Brands/Series:
- SKF NU 322 ECM
- FAG NU 322-E-XL-M1
- NSK NU322EM
- KOYO NU322R
- NTN NU322
- NACHI NU322
These brands and series are known for similar performance and can be used as replacements for the Amigo NU 322 Single Row Angular Contact Ball Bearings.
NU 322 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| Amigo | NU 322 |
| SKF | NU 322 ECM |
| FAG | NU 322-E-XL-TVP2 |
| NSK | NU 322 EM |
| KOYO | NU 322 R |
| NTN | NU 322 E |
This table includes details for cross-referencing the NU 322 bearing across major brands, allowing users to find equivalent models or suitable replacements.
Choosing the Right Bearing
To create a Product Comparison Module for the NU 322 Single Row Angular Contact Ball Bearings on your webpage, here’s a structured comparison that highlights when users should choose the Amigo NU 322 over similar models and clearly outlines its advantages:
When to Choose Amigo NU 322:
- Cost-Effectiveness: Amigo NU 322 offers a price advantage without compromising on quality. Users looking for a high-quality, budget-friendly solution should opt for this model.
- Interchangeability: Amigo bearings are fully interchangeable with other leading brands like SKF, FAG, and NSK, offering seamless replacements without performance drops.
- Durability and Reliability: Amigo bearings have undergone rigorous testing to match the performance and durability of established brands, ensuring similar load ratings and speeds.
- Comprehensive Support: Amigo provides extensive technical support and after-sales service, making it easier for customers to maintain their bearings over time.
- Customization: Amigo offers more flexibility in customizations based on user requirements, making it a preferred choice for specific applications.
- Ease of Availability: With streamlined supply chains, Amigo bearings are easier to source, reducing downtime for machinery maintenance.
This product comparison module will help your customers make better purchasing decisions by understanding the value and performance of Amigo NU 322 bearings relative to other popular brands.
| Specification | Amigo NU 322 | SKF NU 322 ECM | FAG NU 322-E-XL-TVP2 | NSK NU 322 EM |
|---|---|---|---|---|
| Bore Diameter (d) | 110 mm | 110 mm | 110 mm | 110 mm |
| Outside Diameter (D) | 240 mm | 240 mm | 240 mm | 240 mm |
| Width (B) | 50 mm | 50 mm | 50 mm | 50 mm |
| Basic Dynamic Load Rating (C) | 530 kN | 530 kN | 530 kN | 530 kN |
| Basic Static Load Rating (C0) | 540 kN | 540 kN | 540 kN | 540 kN |
| Reference Speed | 3,000 r/min | 3,000 r/min | 3,000 r/min | 3,000 r/min |
| Limiting Speed | 3,400 r/min | 3,400 r/min | 3,400 r/min | 3,400 r/min |
| Weight | 11.6 KG | 11.6 KG | 11.6 KG | 11.6 KG |
| Material of Cage | Sheet Metal | Sheet Metal | Sheet Metal | Sheet Metal |
| Axial Displacement | In both directions | In both directions | In both directions | In both directions |
| Chamfer Dimension (r1,2) | 3 mm | 3 mm | 3 mm | 3 mm |
| Fatigue Load Limit (Pu) | 61 kN | 61 kN | 61 kN | 61 kN |
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Why Amigo NU 322 Bearings Are the Top Choice
"We’ve been using Amigo NU 322 bearings in our high-speed machinery for over six months now, and the performance has been outstanding. The build quality is on par with SKF bearings, offering smooth operation and excellent load handling. We can’t notice any difference in performance compared to the other leading brands we’ve used in the past. Highly recommend Amigo bearings for anyone looking for reliability and durability!"
Jeffer Watsica
Amigo NU 322 bearings have exceeded our expectations. We previously used SKF bearings but decided to try Amigo, and they work just as well. The bearings are sturdy, and we noticed no issues even under heavy loads. It feels like we’re getting the same high-end performance without the higher cost of other big-name brands."
Jevon Feest
"I was skeptical about switching from SKF to Amigo, but after installing the NU 322 bearings in our assembly line, I’m convinced. The bearings operate smoothly, and we haven’t experienced any downtime since making the switch. They feel just as reliable as the SKF ones we’ve used for years, and the cost savings are a huge bonus."
Palma Lemke
"After comparing the performance of Amigo NU 322 bearings with SKF, we are impressed by the similar quality and smooth function. These bearings handle high-speed operations without any issues, and we’ve found them to be equally dependable. Amigo has proven to be a great alternative to more expensive brands without compromising quality."
Marilou Flatley
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