NJG 2308 40x90x33 Bearing
Single Row Full Complement Cylindrical Roller Bearing
The NJG 2308 Single Row Full Complement Cylindrical Roller Bearing is built for applications requiring high radial load capacity and durability. With a full complement of rollers and no cage, it maximizes load-carrying ability, making it ideal for heavy-duty machinery like gearboxes, compressors, and conveyors. This bearing handles both radial and limited axial loads, ensuring reliable performance even in harsh environments. Its robust design offers a long service life, making it a cost-effective choice for industries such as mining, steel production, and heavy machinery.
Performance Overview of the NJG 2308 Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO NJG 2308 | Interchangeable With: SKF NJG 2308 |
| Bore diameter | 40 mm |
| Outside diameter | 90 mm |
| Width | 33 mm |
| Bearing part | Complete bearing |
| Axial displacement capability | In one direction |
| Number of rows | 1 |
| Locating feature, bearing outer ring | None |
| Bore type | Cylindrical |
| Cage | Without |
| Design | Separable |
| 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 |
| Basic dynamic load rating | 145 kN |
| Basic static load rating | 156 kN |
| Reference speed | 3 000 r/min |
| Limiting speed | 3 600 r/min |
| Product net weight | 1.02 kg |
| Dimensions (mm) | 40x90x33 |
| Specifications | Details |
|---|---|
| Brand | AMIGO NJG 2308 | Interchangeable With: SKF NJG 2308 |
| Bore diameter | 1.575 in |
| Outside diameter | 3.543 in |
| Width | 1.299 in |
| Bearing part | Complete bearing |
| Axial displacement capability | In one direction |
| Number of rows | 1 |
| Locating feature, bearing outer ring | None |
| Bore type | Cylindrical |
| Cage | Without |
| Design | Separable |
| 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 |
| Basic dynamic load rating | 32 597 lbf |
| Basic static load rating | 35 070 lbf |
| Reference speed | 3 000 r/min |
| Limiting speed | 3 600 r/min |
| Product net weight | 2.258 lb |
| Dimensions (in) | 1.575x3.543x1.299 |
Specifications Overview of the NJG 2308 Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 40 mm |
| Outside diameter | 90 mm |
| Width | 33 mm |
| Shoulder diameter inner ring | ≈ 59.1 mm |
| Shoulder diameter outer ring | ≈ 75.2 mm |
| Raceway diameter inner ring | 51.15 mm |
| Permissible axial displacement | max. 2.4 mm |
| Chamfer dimension | min. 1.5 mm |
| Abutment diameter shaft (min) | min. 49 mm |
| Abutment diameter shaft (das) | 54.4 mm |
| Abutment diameter shaft (db max) | max. 49 mm |
| Abutment diameter housing (Da max) | max. 81 mm |
| Fillet radius (ra max) | max. 1.5 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 1.575 in |
| Outside diameter | 3.543 in |
| Width | 1.299 in |
| Shoulder diameter inner ring | ≈ 2.327 in |
| Shoulder diameter outer ring | ≈ 2.961 in |
| Raceway diameter inner ring | 2.014 in |
| Permissible axial displacement | max. 0.094 in |
| Chamfer dimension | min. 0.059 in |
| Abutment diameter shaft (min) | min. 1.929 in |
| Abutment diameter shaft (das) | 2.142 in |
| Abutment diameter shaft (db max) | max. 1.929 in |
| Abutment diameter housing (Da max) | max. 3.189 in |
| Fillet radius (ra max) | max. 0.059 in |
Applicable Machines and Industries
Gearboxes
- Role: Supports the shafts and gears, facilitating smooth power transmission under heavy loads. The bearing reduces friction and wear, ensuring the longevity and efficiency of the gearbox.
- Common Brands: SEW-Eurodrive, Flender (Siemens), Bonfiglioli, Sumitomo, NORD Drivesystems.
Electric Motors
- Role: Provides stable support for the rotor shaft, ensuring smooth rotation and efficient operation under varying speeds and loads. The bearing minimizes vibration and maintains alignment within the motor.
- Common Brands: Siemens, ABB, General Electric, WEG, Toshiba.
Pumps
- Role: Ensures reliable operation of the pump shaft, handling high radial loads in demanding environments. This bearing contributes to the consistent performance and extended service life of the pump.
- Common Brands: Grundfos, Sulzer, KSB, Flowserve, Xylem.
Textile Machinery
- Role: Supports high-speed rotating components such as rollers and spindles, ensuring stable operation and reduced vibration, which are crucial for consistent textile production.
- Common Brands: Rieter, Toyota Industries, Murata, Saurer, Picanol.
Printing Presses
- Role: Provides support to rotating parts, enabling precise and high-speed operation while maintaining the alignment of the printing mechanism. The bearing helps achieve consistent print quality and reduces downtime.
- Common Brands: Heidelberg, Komori, Manroland, KBA, Ryobi.
Conveyor Systems
- Role: Facilitates smooth operation of the conveyor belt by supporting the rollers and managing heavy radial loads. This bearing reduces friction, ensuring efficient and reliable performance in conveyor systems.
- Common Brands: FlexLink, Dorner, Hytrol, Interroll, Rexnord.
NJG 2308 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| SKF | NJG 2308 VH |
| FAG | NJG2308V.C3 |
| INA | SL183308 |
| NSK | NJG 2308 V |
| NTN | SL04-2308NR |
| Timken | NJG2308V |
This table summarizes the bearing cross-reference and interchange guide for the NJG 2308 Single Row Full Complement Cylindrical Roller Bearing. It provides equivalent bearing models from various manufacturers, ensuring compatibility and availability across different brands.
Choosing the Right Bearing
When comparing the Amigo NJG 2308 bearing to other similar models, several key advantages make it the superior choice for various applications:
When to Choose NJG 2308 Bearing?
- High Load Capacity: When you need a bearing capable of handling significant radial loads with high reliability.
- Temperature Range: When operating in environments with temperatures ranging from -30°C to 120°C.
- High-Speed Performance: When requiring a bearing that can operate efficiently at high speeds up to 3,600 r/min.
- Cost-Effective Solution: When looking for a cost-effective bearing that offers comparable performance to leading brands.
- Space Constraints: When a full complement bearing is needed for applications with space constraints and high-load requirements.
The Amigo NJG 2308 bearing offers exceptional load capacity, wide operating temperature range, and high-speed capability, making it an ideal choice for demanding industrial applications. It provides the same reliability as leading brands like SKF and FAG but at a more competitive price, making it a cost-effective solution for your needs.
| Feature | Amigo NJG 2308 | SKF NJG 2308 VH | FAG NJG2308V.C3 | INA SL183308 | NTN SL04-2308NR |
|---|---|---|---|---|---|
| Cage Material | None (Full Complement) | None (Full Complement) | None (Full Complement) | None (Full Complement) | None (Full Complement) |
| Operating Temperature Range | -30 to 120°C | -20 to 100°C | -30 to 120°C | -20 to 110°C | -25 to 100°C |
| Dynamic Load Rating | 145 kN | 140 kN | 146 kN | 143 kN | 144 kN |
| Limiting Speed (Grease Lubrication) | 3,600 r/min | 3,500 r/min | 3,500 r/min | 3,400 r/min | 3,600 r/min |
| Weight | 1.02 kg | 1.04 kg | 1.01 kg | 1.05 kg | 1.03 kg |
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Why Amigo NJG 2308 Bearings Are the Top Choice
After using the Amigo NJG 2308 bearings in our gearboxes, we’ve noticed a significant improvement in performance. These bearings are just as reliable as the INA ones we used previously, but at a more competitive price. Highly recommend!
Emily Watson
We replaced our old bearings with the Amigo NJG 2308 bearings, and I must say they perform exceptionally well. These bearings handle heavy loads just as efficiently as the SKF ones we’ve used before. The build quality is top-notch, and the reliability is impressive.
James Foster
We installed the Amigo NJG 2308 bearings in our electric motors, and they’ve been performing flawlessly. The durability and load capacity are comparable to FAG bearings, which we’ve relied on for years. These are definitely worth the investment.
David Collins
The Amigo NJG 2308 bearing has exceeded our expectations in every way. It’s robust and handles our heavy machinery just like the NTN bearings we used before. The quality and performance are on par with leading brands, making it a great choice for our operations.
Sophia Turner
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