NU 320 ECJ 100x215x47 Bearing
Single Row Full Complement Cylindrical Roller Bearings
The NU 320 ECJ Single Row Full Complement Cylindrical Roller Bearing is designed for applications requiring high radial load capacity and enhanced durability. With a full complement of rollers, it provides greater load-bearing capability compared to bearings with cages. This bearing is ideal for heavy-duty industrial machinery such as gearboxes, electric motors, and pumps. Its robust construction ensures reliable performance under high loads and speeds. The NU 320 ECJ is also known for its low friction and precise operation, making it a dependable choice for industries requiring efficiency and longevity.
Performance Overview of the NU 320 ECJ Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO NU 320 ECJ | Interchangeable With: SKF NU 320 ECJ |
| Bore diameter | 100 mm |
| Outside diameter | 215 mm |
| Width | 47 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 | 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 |
| Basic dynamic load rating | 450 kN |
| Basic static load rating | 440 kN |
| Reference speed | 3,200 r/min |
| Limiting speed | 3,800 r/min |
| Product net weight | 7.65 kg |
| Dimensions(mm) | 100x215x47 |
| Specifications | Details |
|---|---|
| Brand | AMIGO NU 320 ECJ | Interchangeable With: SKF NU 320 ECJ |
| Bore diameter | 3.937 in |
| Outside diameter | 8.465 in |
| Width | 1.85 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 | 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 |
| Basic dynamic load rating | 101,164 lbf |
| Basic static load rating | 98,916 lbf |
| Reference speed | 3,200 r/min |
| Limiting speed | 3,800 r/min |
| Product net weight | 16.865 lb |
| Dimensions(in) | 3.937x8.465x1.85 |
Specifications Overview of the NU 320 ECJ Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 100 mm |
| Outside diameter | 215 mm |
| Width | 47 mm |
| Shoulder diameter of outer ring | ≈ 181.25 mm |
| Raceway diameter of inner ring | 127.5 mm |
| Chamfer dimension | min. 3 mm |
| Permissible axial displacement | max. 2.9 mm |
| Diameter of spacer sleeve | min. 114 mm |
| Diameter of shaft abutment | min. 131 mm |
| Diameter of housing abutment | max. 199.6 mm |
| Radius of fillet | max. 2.5 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 3.937 in |
| Outside diameter | 8.465 in |
| Width | 1.85 in |
| Shoulder diameter of outer ring | ≈ 7.136 in |
| Raceway diameter of inner ring | 5.02 in |
| Chamfer dimension | min. 0.118 in |
| Permissible axial displacement | max. 0.114 in |
| Diameter of spacer sleeve | min. 4.488 in |
| Diameter of shaft abutment | min. 5.157 in |
| Diameter of housing abutment | max. 7.858 in |
| Radius of fillet | max. 0.098 in |
Applicable Machines and Industries
1. Gearboxes
- Role: Supports high radial loads, ensuring smooth and efficient operation of gears in industrial gearboxes.
- Replaceable Bearing Brands/Series: SKF NU 320 ECJ, FAG NU320-E-M1, NSK NU320EM, NTN NU320, Timken NU320
2. Electric Motors
- Role: Provides radial load support, reducing friction and wear in electric motor shafts, improving performance and durability.
- Replaceable Bearing Brands/Series: SKF NU 320 ECJ, FAG NU320-E-M1, NSK NU320EM, KOYO NU320, NTN NU320
3. Pumps
- Role: Ensures stable shaft rotation and minimizes friction in pump systems, increasing operational efficiency.
- Replaceable Bearing Brands/Series: SKF NU 320 ECJ, FAG NU320-E-M1, NSK NU320EM, Timken NU320, NTN NU320
4. Conveyors
- Role: Provides high load-bearing capability, allowing for smooth and continuous operation in conveyor systems.
- Replaceable Bearing Brands/Series: SKF NU 320 ECJ, FAG NU320-E-M1, NSK NU320EM, NTN NU320, KOYO NU320
5. Mining Equipment
- Role: Handles high radial loads in mining machinery, ensuring reliable performance and reducing maintenance needs.
- Replaceable Bearing Brands/Series: SKF NU 320 ECJ, FAG NU320-E-M1, Timken NU320, NSK NU320EM, NTN NU320
6. Steel Rolling Mills
- Role: Supports heavy radial loads in rolling mills, ensuring precision and durability under intense operating conditions.
- Replaceable Bearing Brands/Series: SKF NU 320 ECJ, FAG NU320-E-M1, NSK NU320EM, NTN NU320, Timken NU320
NU 320 ECJ Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| SKF | NU320ECJ |
| Amigo | NU320ECJ |
| FAG | NU320-E-M1 |
| NTN | NU320 |
| NSK | NU320EM |
| KOYO | NU320 |
| Timken | NU320E |
This table summarizes the bearing cross-reference and interchange guide for the NU 320 ECJ Single Row Full Complement Cylindrical Roller Bearings. It provides equivalent bearing models from various manufacturers, ensuring compatibility and availability across different brands.
Choosing the Right Bearing
When comparing the Amigo NU 320 ECJ bearing to other similar models, several key advantages make it the superior choice for various applications:
When to Choose NU 320 ECJ?
- Heavy Load Applications: Best suited for applications requiring high dynamic and static load capacity, such as in industrial gearboxes or pumps.
- High-Speed Systems: Ideal for high-speed machinery, with a limiting speed of 3,800 r/min.
- Durable Construction: Suitable for environments where long-lasting durability is essential, like steel mills or mining equipment.
- Compact Design: When space is limited, the compact dimensions of NU 320 ECJ make it an excellent fit.
- Interchangeability: Compatible with leading bearing brands, ensuring flexibility in replacement.
The Amigo NU 320 ECJ bearing offers the same high-performance capabilities as SKF, with identical load ratings and speed limits. Its competitive pricing and reliable durability make it a top choice for industries looking for efficient and cost-effective solutions.
| Feature | Amigo NU 320 ECJ | SKF NU 320 ECJ | FAG NU 320-E-M1 | NTN NU 320 | KOYO NU 320 |
|---|---|---|---|---|---|
| Bore Diameter (mm) | 100 | 100 | 100 | 100 | 100 |
| Outside Diameter (mm) | 215 | 215 | 215 | 215 | 215 |
| Width (mm) | 47 | 47 | 47 | 47 | 47 |
| Dynamic Load Rating (kN) | 450 | 450 | 445 | 442 | 448 |
| Static Load Rating (kN) | 440 | 440 | 438 | 435 | 439 |
| Reference Speed (r/min) | 3,200 | 3,200 | 3,100 | 3,000 | 3,050 |
| Limiting Speed (r/min) | 3,800 | 3,800 | 3,700 | 3,600 | 3,700 |
| Weight (kg) | 7.65 | 7.65 | 7.55 | 7.50 | 7.60 |
Recommended Products for Optimal Performance
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Why Amigo NU 320 ECJ Bearings Are the Top Choice
We replaced our existing bearings with the Amigo NU 320 ECJ in our industrial gearboxes, and they have performed just as well as the SKF bearings we used before. They handle the heavy loads and high speeds effortlessly.
Callum Sheridan
We installed Amigo NU 320 ECJ bearings in our electric motors, and they’ve worked perfectly. The performance feels identical to the FAG bearings we had been using. Very reliable and durable under heavy loads.
Elena Fitzgerald
The Amigo NU 320 ECJ bearings are excellent. We’ve used them in our conveyor systems, and they feel exactly like the Timken bearings we used previously. Great value for money without compromising on quality.
Michael Johnson
I’m impressed with the Amigo NU 320 ECJ bearings. They perform just like the NSK bearings we had before, but at a better price. They handle our high-speed requirements without any issues. Highly recommended!
Astrid Vaughn
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