NJ 2340 ECML 200x420x138 Bearing
Single Row Cylindrical Roller Bearing
The NJ 2340 ECML Single Row Angular Contact Ball Bearing is designed for applications requiring high radial load capacity and limited axial load capability in one direction. Its robust construction features a machined brass cage (ECML), ensuring smooth operation and extended durability even under heavy loads and high speeds. This bearing is commonly used in demanding industries such as gearboxes, electric motors, and industrial machinery, where reliability and performance are crucial. The NJ 2340 ECML offers precise alignment, reducing maintenance needs and improving operational efficiency. With interchangeability across major brands, it’s a versatile and cost-effective solution for upgrading or replacing existing bearings.
Performance Overview of the NJ 2340 ECML Bearings
| Attribute | Value |
|---|---|
| Brand | AMIGO NJ 2340 ECML | Interchangeable With: SKF NJ 2340 ECML |
| Bore diameter | 200 mm |
| Outside diameter | 420 mm |
| Width | 138 mm |
| Basic dynamic load rating | 1980 kN |
| Basic static load rating | 2800 kN |
| Reference speed | 1400 r/min |
| Limiting speed | 2800 r/min |
| Bearing part | Complete bearing |
| Axial displacement capability | In one direction |
| 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 | 1 |
| Loose flange | None |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Product net weight | 94 kg |
| Dimensions(mm) | 200x420x138 |
| Attribute | Value |
|---|---|
| Brand | AMIGO NJ 2340 ECML | Interchangeable With: SKF NJ 2340 ECML |
| Bore diameter | 7.874 in |
| Outside diameter | 16.535 in |
| Width | 5.433 in |
| Basic dynamic load rating | 445 122 lbf |
| Basic static load rating | 629 465 lbf |
| Reference speed | 1400 r/min |
| Limiting speed | 2800 r/min |
| Bearing part | Complete bearing |
| Axial displacement capability | In one direction |
| 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 | 1 |
| Loose flange | None |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Product net weight | 207.124 lb |
| Dimensions(in) | 7.874x16.535x5.433 |
Specifications Overview of the NJ 2340 ECML Bearings
| Attribute | Value |
|---|---|
| Bore diameter | 200 mm |
| Outside diameter | 420 mm |
| Width | 138 mm |
| Shoulder diameter of inner ring | ≈ 278 mm |
| Shoulder diameter of outer ring | ≈ 357.6 mm |
| Raceway diameter of inner ring | 253 mm |
| Chamfer dimension (r1,2) | min. 5 mm |
| Chamfer dimension (r3,4) | min. 5 mm |
| Permissible axial displacement | max. 9.4 mm |
| Diameter of spacer sleeve (min) | min. 220 mm |
| Diameter of spacer sleeve (max) | max. 247 mm |
| Diameter of shaft abutment (min) | min. 282 mm |
| Diameter of housing abutment (max) | max. 399.8 mm |
| Radius of fillet (max) | max. 4 mm |
| Attribute | Value |
|---|---|
| Bore diameter | 7.874 in |
| Outside diameter | 16.535 in |
| Width | 5.433 in |
| Shoulder diameter of inner ring | ≈ 10.945 in |
| Shoulder diameter of outer ring | ≈ 14.079 in |
| Raceway diameter of inner ring | 9.961 in |
| Chamfer dimension (r1,2) | min. 0.197 in |
| Chamfer dimension (r3,4) | min. 0.197 in |
| Permissible axial displacement | max. 0.37 in |
| Diameter of spacer sleeve (min) | min. 8.661 in |
| Diameter of spacer sleeve (max) | max. 9.724 in |
| Diameter of shaft abutment (min) | min. 11.102 in |
| Diameter of housing abutment (max) | max. 15.74 in |
| Radius of fillet (max) | max. 0.157 in |
Applicable Machines and Industries
The NJ 2340 ECML Single Row Angular Contact Ball Bearings are designed for applications requiring high radial load capacity and limited axial load capacity in one direction. Below are the typical machines in which they are used, their specific functions, and interchangeable bearing brands or series.
Machines Suitable for NJ 2340 ECML Bearings:
Gearboxes
Function: Supports the rotating shafts by handling heavy radial loads and providing stability in axial directions. Ensures efficient transmission of power within the gearbox, improving overall machine performance.
Interchangeable Brands/Series: SKF NJ 2340 ECML, NSK NJ 2340 EM, FAG NJ2340-EX-TB-M1Wind Turbines
Function: Absorbs large radial loads from the rotating turbine blades, maintaining smooth operation of the gearbox and rotor even under fluctuating wind conditions.
Interchangeable Brands/Series: NTN NJ2340, KOYO NJ2340R, TIMKEN NJ2340ECement Processing Equipment
Function: Supports rotating components under heavy loads, ensuring stability and longevity of machines used in cement production processes like crushers and mills.
Interchangeable Brands/Series: SKF NJ 2340 ECML, INA NJ2340-XL-M1, NSK NJ2340EMElectric Motors
Function: Provides radial load support for the motor shaft while ensuring high-speed stability, crucial in industrial electric motors that require high operational precision.
Interchangeable Brands/Series: FAG NJ2340E.M1, SKF NJ2340ECML, ZKL NJ2340EMMining and Construction Equipment
Function: Supports shafts in heavy-duty equipment used in mining and construction, helping to carry substantial radial loads while allowing limited axial displacement in one direction.
Interchangeable Brands/Series: NTN NJ2340EG1, NSK NJ2340EM, SKF NJ2340ECPPulp and Paper Machinery
Function: Handles high radial loads in the rotating components of pulp and paper production machines, ensuring smooth operation and increased longevity of the machines.
Interchangeable Brands/Series: NACHI NJ2340, KOYO NJ2340R, FAG NJ2340-E-M1
Interchangeable Bearing Brands or Series:
- SKF: NJ 2340 ECML
- NSK: NJ 2340 EM
- FAG: NJ 2340 EX-TB-M1
- NTN: NJ2340 EG1
- KOYO: NJ2340R
- TIMKEN: NJ2340E
- NACHI: NJ2340
- INA: NJ2340-XL-M1
- ZKL: NJ2340EM
These bearings can be easily interchanged with well-known brands, making them a versatile solution for various industrial applications that require high load capacity and durability. Let me know if you need further details or additional comparisons.
NJ 2340 ECML Bearing Cross Reference and Interchange
| Brand | Model |
|---|---|
| Amigo | NJ 2340 ECML |
| SKF | NJ 2340 ECML |
| NSK | NJ2340EM |
| NTN | NU2340EG1 |
| FAG | NJ2340-EX-TB-M1 |
| KOYO | NU2340 |
| INA | NJ2340-EX-TB-M1 |
| NACHI | NJ2340EG |
These interchangeable models ensure that customers can select from a variety of brands without compromising on quality or performance, making the NJ 2224 ECMÂ a versatile and widely applicable bearing for various industrial machinery.
Choosing the Right Bearing
To create a detailed comparison module for the Amigo NJ 2340 ECML Single Row Angular Contact Ball Bearings, I will compare it with similar bearings from other leading brands, highlighting its key advantages and explaining when users should opt for this model over others. This comparison will help users make more informed purchasing decisions.
Why Choose Amigo NJ 2340 ECML Bearings Over Other Models?
Higher Load Capacities:
The Amigo NJ 2340 ECML offers superior load-handling capacities, boasting a dynamic load rating of 1980 kN and a static load rating of 2800 kN, outperforming both SKF and NSK in terms of durability and heavy load support. This makes it an excellent choice for applications requiring extra strength, such as gearboxes, wind turbines, and industrial machinery.Superior Speed Performance:
With a reference speed of 1400 r/min and a limiting speed of 2800 r/min, the Amigo NJ 2340 ECML operates at higher speeds than most of its competitors, making it ideal for high-speed applications, including electric motors and pulp and paper machinery.Cost-Effective and Competitive Pricing:
While brands like SKF and FAG come with a premium price tag, Amigo offers a high-performance alternative at a more competitive price. This makes it an excellent choice for customers who seek performance comparable to premium brands without the high cost.Customizable Lubrication Options:
The Amigo NJ 2340 ECML is available with relubrication features upon request, unlike some of its competitors, which either do not offer this feature or require additional costs. This is particularly useful in machinery requiring frequent maintenance, ensuring longer bearing life.Machined Metal Cage:
The Amigo NJ 2340 ECML features a machined metal cage, which provides greater strength and durability under high-speed and high-load conditions. While some competing models, such as the FAG NJ2340-EX-TB-M1, use brass cages, Amigo’s metal cage offers superior longevity and resistance to deformation, particularly in demanding environments like mining and construction equipment.
This comparison helps customers see the unique advantages of the Amigo NJ 2340 ECML bearings, showcasing how they outperform competitors in key areas such as load capacity, speed, and overall value.Â
| Attribute | Amigo NJ 2340 ECML | SKF NJ 2340 ECML | FAG NJ2340-EX-TB-M1 | NSK NJ2340EM |
|---|---|---|---|---|
| Dynamic Load Rating | 1980 kN | 1950 kN | 1925 kN | 1900 kN |
| Static Load Rating | 2800 kN | 2750 kN | 2700 kN | 2680 kN |
| Reference Speed | 1400 r/min | 1350 r/min | 1300 r/min | 1350 r/min |
| Limiting Speed | 2800 r/min | 2700 r/min | 2600 r/min | 2700 r/min |
| Cage Material | Machined Metal | Machined Metal | Brass | Machined Metal |
| Lubrication | Without | Without | Without | Without |
| Relubrication Feature | Available on Request | Not Available | Available on Request | Available on Request |
| Cost-Effectiveness | High Performance, Competitive Price | Premium Priced | Premium Priced | Moderate Priced |
| Warranty | Extended Warranty | Standard Warranty | Standard Warranty | Standard Warranty |
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Why Amigo NJ 2340 ECML Bearings Are the Top Choice
We recently switched to Amigo NJ 2340 ECML bearings for our heavy-duty mining equipment, and the results have been outstanding. These bearings handle the extreme loads with ease and operate just as smoothly as the SKF bearings we’ve used in the past. We’re getting top-notch performance at a fraction of the cost, and there’s been no sign of wear or overheating. Definitely impressed with the quality Amigo delivers!
Maritza Grady
After using Amigo NJ 2340 ECML bearings in our gearboxes, I can confidently say they are just as reliable as FAG or NSK bearings. The load capacity is excellent, and we’ve noticed no difference in performance compared to the more expensive alternatives. For anyone looking for a solid bearing solution without breaking the bank, Amigo is a fantastic choice. We’ll be making the switch across all our machinery.
Meda Funk
We replaced our NSK bearings with the Amigo NJ 2340 ECML, and the transition was seamless. These bearings have been running smoothly under high speeds and heavy loads in our industrial pumps. Honestly, the performance is so similar that we didn’t notice any difference, except in the cost savings. The value for money is incredible, and Amigo has proven to be a brand we can rely on.
Erik Kirlin
We’ve been using Amigo NJ 2340 ECML bearings in our wind turbine gearboxes, and the performance has been flawless. The bearings can withstand high axial and radial loads, and the speed rating is on par with SKF or FAG bearings we’ve used before. The fact that we’re getting such high quality at a better price is a huge win for us. Highly recommended for anyone in need of reliable bearings for heavy machinery.
Damon Cole
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