N 312 60x130x31 Bearing
Single Row Cylindrical Roller Bearing
The N 312 Single Row Cylindrical Roller Bearing is engineered for high radial load capacity, making it ideal for heavy-duty applications. With a bore diameter of 60mm, an outside diameter of 130mm, and a width of 31mm, this bearing ensures reliable performance in industrial machinery. The separable design allows for easy installation and maintenance, while its cylindrical rollers provide smooth operation and reduced wear. Perfect for gearboxes, motors, and high-speed machinery, the N 312 offers durability and precision.
Performance Overview of the N 312 Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO N 312 | Interchangeable With: SKF N 312 |
| Bore diameter | 60 mm |
| Outside diameter | 130 mm |
| Width | 31 mm |
| Basic dynamic load rating | 173 kN |
| Basic static load rating | 160 kN |
| Reference speed | 5 600 r/min |
| Limiting speed | 6 700 r/min |
| Product net weight | 1.76 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) | 60x130x31 |
| Specifications | Details |
|---|---|
| Brand | AMIGO N 312 | Interchangeable With: SKF N 312 |
| Bore diameter | 2.362 in |
| Outside diameter | 5.118 in |
| Width | 1.22 in |
| Basic dynamic load rating | 38 892 lbf |
| Basic static load rating | 35 969 lbf |
| Reference speed | 5 600 r/min |
| Limiting speed | 6 700 r/min |
| Product net weight | 3.682 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) | 2.362x5.118x1.22 |
Specifications Overview of the N 312 Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 60 mm |
| Outside diameter | 130 mm |
| Width | 31 mm |
| Shoulder diameter of inner ring | ≈ 84.3 mm |
| Raceway diameter of outer ring | 115 mm |
| Chamfer dimension r1,2 | min. 2.1 mm |
| Chamfer dimension r3,4 | min. 2.1 mm |
| Permissible axial displacement | max. 2.1 mm |
| Diameter of spacer sleeve da (min.) | 72 mm |
| Diameter of spacer sleeve da (max.) | 113 mm |
| Diameter of housing abutment Da (min.) | 118 mm |
| Diameter of housing abutment Da (max.) | 119 mm |
| Radius of fillet ra | max. 2 mm |
| Radius of fillet rb | max. 2 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 2.362 in |
| Outside diameter | 5.118 in |
| Width | 1.22 in |
| Shoulder diameter of inner ring | ≈ 3.319 in |
| Raceway diameter of outer ring | 4.528 in |
| Chamfer dimension r1,2 | min. 0.083 in |
| Chamfer dimension r3,4 | min. 0.083 in |
| Permissible axial displacement | max. 0.083 in |
| Diameter of spacer sleeve da (min.) | 2.835 in |
| Diameter of spacer sleeve da (max.) | 4.449 in |
| Diameter of housing abutment Da (min.) | 4.646 in |
| Diameter of housing abutment Da (max.) | 4.685 in |
| Radius of fillet ra | max. 0.079 in |
| Radius of fillet rb | max. 0.079 in |
Applicable Machines and Industries
1. Industrial Gearboxes
- Function: The N 312 bearing supports the rotating shafts within gearboxes, ensuring smooth and efficient transmission of mechanical power.
- Common Brands: Siemens, SEW-Eurodrive, Bonfiglioli, Flender, Nord.
2. Electric Motors
- Function: This bearing is used to support motor shafts, allowing for high-speed rotation with minimal friction, which improves motor efficiency and lifespan.
- Common Brands: ABB, Siemens, WEG, Toshiba, TECO.
3. Conveyor Systems
- Function: In conveyors, the N 312 bearing facilitates the rotation of pulleys and rollers, ensuring smooth material handling operations.
- Common Brands: Hytrol, FlexLink, Interroll, Dorner, Rexnord.
4. Pumps (Centrifugal and Hydraulic)
- Function: The bearing supports rotating components within pumps, ensuring stability, reducing wear, and improving reliability.
- Common Brands: Grundfos, Sulzer, KSB, Flowserve, Wilo.
5. Textile Machinery
- Function: In textile machines, the N 312 bearing supports spindles and rollers, allowing continuous, high-speed operation during textile production.
- Common Brands: Rieter, Picanol, Saurer, Toyota, Murata.
6. Machine Tools (Lathes, Milling Machines)
- Function: This bearing provides stable support for spindles and other rotating parts in machining equipment, ensuring precision and reducing vibrations.
- Common Brands: DMG Mori, Mazak, Haas, Okuma, Fanuc.
N 312 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| Amigo | N 312 |
| SKF | N 312 ECP |
| NTN | N312 |
| NACHI | N312EG |
| FAG | N312-E-TVP2 |
| NSK | N 312 EW |
This table summarizes the bearing cross-reference and interchange guide for the N 312 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 312 bearing to other similar models, several key advantages make it the superior choice for various applications:
When to Choose the Amigo N 312 Bearing
Heavy-Duty Applications: The Amigo N 312 bearing is designed to handle high dynamic loads (137 kN), making it ideal for heavy-duty industrial applications such as gearboxes, electric motors, and pumps.
High-Speed Environments: With a limiting speed of 6,500 r/min, this bearing is well-suited for high-speed machinery, ensuring smooth operation and minimal downtime.
Durability and Reliability: The pressed steel cage enhances the bearing’s durability, allowing it to withstand harsh operating conditions and providing long-lasting performance.
Cost-Effective Solution: Compared to other brands like SKF and FAG, the Amigo N 312 offers a more cost-effective solution without sacrificing quality or performance.
The Amigo N 312 bearing stands out for its balance of performance, durability, and cost-efficiency. It offers comparable quality to leading brands like SKF and FAG, but at a more competitive price. The bearing’s robust design and high load rating make it a reliable choice for demanding industrial applications, ensuring that you get the best value for your investment.
| Feature | Amigo N 312 | SKF N 312 ECP | NTN N312 | NACHI N312EG | FAG N312-E-TVP2 | NSK N 312 EW |
|---|---|---|---|---|---|---|
| Bore Diameter (mm) | 60 | 60 | 60 | 60 | 60 | 60 |
| Outside Diameter (mm) | 130 | 130 | 130 | 130 | 130 | 130 |
| Width (mm) | 31 | 31 | 31 | 31 | 31 | 31 |
| Load Rating (kN) | 137 (dynamic) | 137 (dynamic) | 136 (dynamic) | 135 (dynamic) | 137 (dynamic) | 136 (dynamic) |
| Limiting Speed (r/min) | 6,500 | 6,500 | 6,000 | 6,200 | 6,500 | 6,300 |
| Cage Material | Pressed Steel | Pressed Steel | Steel | Non-metallic | Pressed Steel | Steel |
| Weight (kg) | 1.76 | 1.77 | 1.75 | 1.76 | 1.77 | 1.76 |
| 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 312 Bearings Are the Top Choice
I recently replaced our old bearings with the Amigo N 312, and I have to say, the performance has been exceptional. These bearings run just as smoothly as the SKF ones we used before, but at a much better price. We've noticed reduced noise and better load handling in our machinery. I'll definitely be sticking with Amigo bearings for future purchases.
James T.
After using the Amigo N 312 bearings in our heavy-duty equipment, I’m genuinely impressed. The quality is on par with FAG bearings that we've used in the past. The installation was easy, and the bearings have been operating flawlessly since. They offer great value for the price, and I haven't noticed any difference in performance compared to the more expensive brands.
Robert M.
We installed the Amigo N 312 bearings in several of our industrial motors, and the results have been fantastic. The bearings feel just like the NTN bearings we usually purchase. They handle high loads well and have maintained smooth operation even in high-speed applications. I’m very satisfied with the switch to Amigo.
Michael L.
I was a bit hesitant to switch from NACHI to Amigo bearings, but the N 312 has exceeded my expectations. These bearings provide the same reliability and durability that I'm used to with NACHI, but at a lower cost. The performance is indistinguishable from the higher-priced brands. I’ll be ordering more for sure.
David R.
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