N 307 35x80x21 Bearing
Single Row Cylindrical Roller Bearing
The N 307 Single Row Cylindrical Roller Bearing is designed for high radial load applications. Its separable design facilitates easy installation and maintenance. Optimized internal geometry reduces friction, ensuring reliable performance and durability in demanding environments. Ideal for industrial machinery and automotive components, the N 307 delivers efficient operation under high-speed conditions.
Performance Overview of the N 307 Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO N 307 | Interchangeable With: SKF N 307 |
| Bore diameter | 35 mm |
| Outside diameter | 80 mm |
| Width | 21 mm |
| Basic dynamic load rating | 75 kN |
| Basic static load rating | 63 kN |
| Reference speed | 9 500 r/min |
| Limiting speed | 11 000 r/min |
| Product net weight | 0.465 kg |
| 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 | 0 |
| Number of flanges, inner ring | 2 |
| Loose flange | None |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Dimensions(mm) | 35x80x21 |
| Specifications | Details |
|---|---|
| Brand | AMIGO N 307 | Interchangeable With: SKF N 307 |
| Bore diameter | 1.378 in |
| Outside diameter | 3.15 in |
| Width | 0.827 in |
| Basic dynamic load rating | 16 861 lbf |
| Basic static load rating | 14 163 lbf |
| Reference speed | 9 500 r/min |
| Limiting speed | 11 000 r/min |
| Product net weight | 1.025 lb |
| 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 | 0 |
| Number of flanges, inner ring | 2 |
| Loose flange | None |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Dimensions(in) | 1.378x3.15x0.827 |
Specifications Overview of the N 307 Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 35 mm |
| Outside diameter | 80 mm |
| Width | 21 mm |
| Shoulder diameter of inner ring | ≈ 51 mm |
| Raceway diameter of outer ring | 70.2 mm |
| Chamfer dimension r1,2 | min. 1.5 mm |
| Chamfer dimension r3,4 | min. 1.1 mm |
| Permissible axial displacement | max. 1.2 mm |
| Diameter of spacer sleeve da (min.) | 43 mm |
| Diameter of spacer sleeve da (max.) | 68 mm |
| Diameter of housing abutment Da (min.) | 72 mm |
| Diameter of housing abutment Da (max.) | 73.4 mm |
| Radius of fillet ra | max. 1.5 mm |
| Radius of fillet rb | max. 1 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 1.378 in |
| Outside diameter | 3.15 in |
| Width | 0.827 in |
| Shoulder diameter of inner ring | ≈ 2.008 in |
| Raceway diameter of outer ring | 2.764 in |
| Chamfer dimension r1,2 | min. 0.059 in |
| Chamfer dimension r3,4 | min. 0.043 in |
| Permissible axial displacement | max. 0.047 in |
| Diameter of spacer sleeve da (min.) | 1.693 in |
| Diameter of spacer sleeve da (max.) | 2.677 in |
| Diameter of housing abutment Da (min.) | 2.835 in |
| Diameter of housing abutment Da (max.) | 2.89 in |
| Radius of fillet ra | max. 0.059 in |
| Radius of fillet rb | max. 0.039 in |
Applicable Machines and Industries
1. Industrial Gearboxes
- Function: The N 307 bearing supports the shafts within gearboxes, allowing for smooth and efficient transmission of mechanical power.
- Common Brands: Siemens, Bonfiglioli, SEW-Eurodrive, Nord, Flender.
2. Electric Motors
- Function: This bearing is used to support the motor shafts, enabling high-speed rotation with minimal friction, thereby enhancing motor efficiency.
- Common Brands: ABB, Siemens, WEG, TECO, Toshiba.
3. Conveyor Systems
- Function: In conveyors, the N 307 bearing facilitates the rotation of pulleys and rollers, ensuring smooth material handling.
- Common Brands: FlexLink, Dorner, Interroll, Hytrol, Rexnord.
4. Pumps (Centrifugal and Hydraulic)
- Function: The bearing supports the rotating elements within pumps, ensuring stability and reducing wear and tear.
- Common Brands: Grundfos, Sulzer, KSB, Flowserve, Wilo.
5. Printing Machines
- Function: The N 307 bearing ensures the smooth rotation of cylinders in printing machines, crucial for precise and high-speed printing.
- Common Brands: Heidelberg, Komori, Manroland, KBA, Ryobi.
6. Textile Machinery
- Function: In textile machines, it supports the spindles and rollers, allowing for continuous, high-speed operation in the production process.
- Common Brands: Rieter, Saurer, Picanol, Toyota, Murata.
7. Machine Tools (Lathes, Milling Machines)
- Function: The bearing provides stable support for spindles and other rotating components, ensuring precision and accuracy in machining operations.
- Common Brands: Mazak, DMG Mori, Haas, Okuma, Fanuc.
N 307 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| Amigo | N 307 |
| SKF | N 307 ECP |
| NTN | N307 |
| NACHI | N307EG |
| FAG | N307-E-TVP2 |
| NSK | N 307 EW |
This table summarizes the bearing cross-reference and interchange guide for the N 307 Single Row 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 N 307 bearing to other similar models, several key advantages make it the superior choice for various applications:
When to Choose the Amigo N 307 Bearing
High-Load Applications: The Amigo N 307 bearing is ideal for heavy-duty applications such as industrial gearboxes, electric motors, and conveyor systems due to its high dynamic load rating.
Cost Efficiency: The Amigo N 307 offers excellent value at a competitive price, making it an economical choice without compromising on quality.
Non-Metallic Cage Advantage: The non-metallic cage reduces friction and wear, leading to a longer lifespan and smoother operation in high-speed environments.
Versatility: Highly interchangeable with other brands, the Amigo N 307 ensures compatibility with a wide range of machinery and systems.
The Amigo N 307 stands out for its cost-effectiveness, durability, and precision engineering. Unlike some competitors, it features a non-metallic cage that enhances longevity by reducing friction. Additionally, it is competitively priced, making it a budget-friendly option for those who need reliable performance without paying a premium. Its high interchangeability ensures it can be easily integrated into existing systems, reducing downtime and simplifying maintenance.
| Feature | Amigo N 307 | SKF N 307 ECP | NTN N307 | NACHI N307EG | FAG N307-E-TVP2 | NSK N 307 EW |
|---|---|---|---|---|---|---|
| Bore Diameter (mm) | 35 | 35 | 35 | 35 | 35 | 35 |
| Outside Diameter (mm) | 80 | 80 | 80 | 80 | 80 | 80 |
| Width (mm) | 21 | 21 | 21 | 21 | 21 | 21 |
| Load Rating (kN) | 75 (dynamic) | 75 (dynamic) | 74 (dynamic) | 73 (dynamic) | 75 (dynamic) | 74 (dynamic) |
| Limiting Speed (r/min) | 11,000 | 11,000 | 10,500 | 10,800 | 11,000 | 10,900 |
| Cage Material | Non-metallic | Steel | Non-metallic | Non-metallic | Steel | Non-metallic |
| Weight (kg) | 0.465 | 0.47 | 0.46 | 0.465 | 0.47 | 0.465 |
| Interchangeability | High | High | High | High | High | High |
| Price | Competitive | Higher | Moderate | Moderate | Higher | Moderate |
Recommended Products for Optimal Performance
Enhance your bearing operations with these related products:
Why Amigo N 307 Bearings Are the Top Choice
I recently switched to the Amigo N 307 bearing for our industrial gearboxes, and I must say, it performs just as well as the SKF bearings we used previously. The installation was straightforward, and the bearing has been running smoothly without any issues. The quality is excellent, and the price point is much more competitive. It’s hard to tell the difference between this and the more expensive brands.
John M.
We've been using Amigo N 307 bearings in our electric motors for a few months now, and the performance has been outstanding. The bearings feel nearly identical to the FAG ones we used to buy, but at a fraction of the cost. They handle the load efficiently and operate quietly. I’m thoroughly impressed with the value and will definitely continue using them.
Michael S.
The Amigo N 307 bearing has exceeded our expectations in every way. We’ve always trusted SKF for our conveyor systems, but after trying out Amigo, I can confidently say that the quality and performance are on par. The non-metallic cage reduces friction, and the bearing operates smoothly even at high speeds. It’s a great alternative to the more expensive brands.
David H.
I was initially skeptical about switching from NACHI to Amigo bearings, but the N 307 has proven to be a great decision. It performs just like the NACHI bearings we’ve used for years. The durability and precision are impressive, and our machines run just as efficiently. Plus, it’s a cost-effective option without compromising on quality.
Christopher L.
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