NUP309 45x100x25 Bearing
Single Row Cylindrical Roller Bearing
The NUP309 Single Row Cylindrical Roller Bearing is engineered for high radial and axial load capacity, ensuring precise alignment and stability in industrial applications. With a bore diameter of 45mm, an outside diameter of 100mm, and a width of 25mm, this bearing is ideal for gearboxes and electric motors. Its separable design simplifies installation and maintenance, while the cylindrical rollers provide smooth operation. The NUP309 is a reliable, cost-effective solution for demanding environments.
Performance Overview of the NUP309 Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO NUP309 | Interchangeable With: SKF NUP309 |
| Bore diameter | 45 mm |
| Outside diameter | 100 mm |
| Width | 25 mm |
| Basic dynamic load rating | 112 kN |
| Basic static load rating | 100 kN |
| Reference speed | 7 500 r/min |
| Limiting speed | 8 500 r/min |
| Product net weight | 0.932 kg |
| Bearing part | Complete bearing |
| Axial displacement capability | None |
| Number of rows | 1 |
| Locating feature, bearing outer ring | None |
| Bore type | Cylindrical |
| Cage | Non-metallic |
| Number of flanges, outer ring | 2 |
| Number of flanges, inner ring | 1 |
| Loose flange | Inner ring loose flange |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Dimensions(mm) | 45x100x25 |
| Specifications | Details |
|---|---|
| Brand | AMIGO NUP309 | Interchangeable With: SKF NUP309 |
| Bore diameter | 1.772 in |
| Outside diameter | 3.937 in |
| Width | 0.984 in |
| Basic dynamic load rating | 25 179 lbf |
| Basic static load rating | 22 481 lbf |
| Reference speed | 7 500 r/min |
| Limiting speed | 8 500 r/min |
| Product net weight | 2.055 lb |
| Bearing part | Complete bearing |
| Axial displacement capability | None |
| Number of rows | 1 |
| Locating feature, bearing outer ring | None |
| Bore type | Cylindrical |
| Cage | Non-metallic |
| Number of flanges, outer ring | 2 |
| Number of flanges, inner ring | 1 |
| Loose flange | Inner ring loose flange |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Dimensions(in) | 1.772x3.937x0.984 |
Specifications Overview of the NUP309 Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 45 mm |
| Outside diameter | 100 mm |
| Width | 25 mm |
| Shoulder diameter of inner ring | ≈ 64.4 mm |
| Shoulder diameter of outer ring | ≈ 83.2 mm |
| Raceway diameter of inner ring | 58.5 mm |
| Chamfer dimension r1,2 | min. 1.5 mm |
| Chamfer dimension r3,4 | min. 1.5 mm |
| Diameter of spacer sleeve da (min.) | 54 mm |
| Diameter of shaft abutment db (min.) | 67 mm |
| Diameter of housing abutment Da (max.) | 91.4 mm |
| Radius of fillet ra | max. 1.5 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 1.772 in |
| Outside diameter | 3.937 in |
| Width | 0.984 in |
| Shoulder diameter of inner ring | ≈ 2.535 in |
| Shoulder diameter of outer ring | ≈ 3.276 in |
| Raceway diameter of inner ring | 2.303 in |
| Chamfer dimension r1,2 | min. 0.059 in |
| Chamfer dimension r3,4 | min. 0.059 in |
| Diameter of spacer sleeve da (min.) | 2.126 in |
| Diameter of shaft abutment db (min.) | 2.638 in |
| Diameter of housing abutment Da (max.) | 3.598 in |
| Radius of fillet ra | max. 0.059 in |
Applicable Machines and Industries
1. Industrial Gearboxes
- Function: The NUP309 bearing supports shafts and helps manage both radial and axial loads, ensuring smooth transmission and precise alignment within gearboxes.
- Common Brands: Siemens, SEW-Eurodrive, Bonfiglioli, Flender, Nord.
2. Electric Motors
- Function: This bearing provides robust support for motor shafts, handling both high-speed rotation and axial loads, thus enhancing motor efficiency and lifespan.
- Common Brands: ABB, Siemens, WEG, Toshiba, TECO.
3. Pumps (Centrifugal and Hydraulic)
- Function: The NUP309 bearing stabilizes rotating components within pumps, managing the radial and axial forces to ensure reliable operation and reduce wear.
- Common Brands: Grundfos, Sulzer, KSB, Flowserve, Wilo.
4. Conveyor Systems
- Function: In conveyor systems, the NUP309 bearing supports pulleys and rollers, facilitating smooth material handling while managing both radial and axial loads.
- Common Brands: Hytrol, FlexLink, Interroll, Dorner, Rexnord.
5. Machine Tools (Lathes, Milling Machines)
- Function: This bearing supports spindles and other rotating parts in machine tools, providing precise and stable operation, crucial for high-precision machining tasks.
- Common Brands: DMG Mori, Mazak, Haas, Okuma, Fanuc.
6. Textile Machinery
- Function: In textile machinery, the NUP309 bearing ensures stable rotation and load handling in various components, essential for continuous high-speed operation.
- Common Brands: Rieter, Picanol, Saurer, Toyota, Murata.
7. Cranes and Hoists
- Function: The NUP309 bearing supports the rotation of drums and wheels, crucial for lifting and moving heavy loads in cranes and hoists.
- Common Brands: Liebherr, Konecranes, Demag, Manitowoc, Tadano.
NUP309 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| Amigo | NUP 309 |
| SKF | NUP 309 ECP |
| NTN | NUP309 |
| NACHI | NUP309EG |
| FAG | NUP309-E-TVP2 |
| NSK | NUP 309 EW |
Explore the comprehensive bearing cross-reference guide for the NUP309 Single Row Cylindrical Roller Bearing. Easily find equivalent models from different manufacturers to ensure seamless compatibility and availability across brands.
Choosing the Right Bearing
When comparing the Amigo NUP309 bearing to other similar models, several key advantages make it the superior choice for various applications:
When to Choose the Amigo NUP309 Bearing
Precision Alignment Needs: The Amigo NUP309 bearing is ideal for applications that require precise shaft alignment and the ability to handle both radial and axial loads in both directions.
Heavy-Duty Applications: With a dynamic load rating of 112 kN, the NUP309 bearing is perfect for demanding industrial applications such as gearboxes, electric motors, and pumps.
High-Speed Environments: Operating at a limiting speed of 8,500 r/min, this bearing is well-suited for high-speed machinery, ensuring smooth operation and minimal downtime.
Durability and Reliability: The non-metallic cage reduces friction and wear, leading to extended bearing life and consistent performance under heavy loads.
The Amigo NUP309 bearing offers a superior balance of durability, precision, and cost-effectiveness. Comparable to leading brands like SKF and FAG, it features a non-metallic cage that reduces friction and wear, extending the bearing’s lifespan. With competitive pricing and high interchangeability, the Amigo NUP309 is an ideal choice for industries requiring both performance and budget efficiency.
| Feature | Amigo NUP 309 | SKF NUP 309 ECP | NTN NUP309 | NACHI NUP309EG | FAG NUP309-E-TVP2 | NSK NUP 309 EW |
|---|---|---|---|---|---|---|
| Load Rating (kN) | 112 (dynamic) | 112 (dynamic) | 110 (dynamic) | 111 (dynamic) | 112 (dynamic) | 110 (dynamic) |
| Limiting Speed (r/min) | 8,500 | 8,500 | 8,000 | 8,200 | 8,500 | 8,300 |
| Cage Material | Non-metallic | Non-metallic | Steel | Non-metallic | Steel | Steel |
| Weight (kg) | 0.932 | 0.935 | 0.930 | 0.934 | 0.935 | 0.933 |
| Interchangeability | High | High | High | High | High | High |
| Price | Competitive | Higher | Moderate | Moderate | Higher | Moderate |
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Why Amigo NUP309 Bearings Are the Top Choice
I've been using the Amigo NUP309 bearings in our industrial motors, and they perform just as well as the SKF bearings we used previously. The quality and durability are impressive, and we haven't noticed any difference in performance. Plus, the cost savings are significant. Amigo bearings are definitely a great choice!
Jessica H.
We switched to the Amigo NUP309 bearing for our gearboxes, and the results have been fantastic. These bearings feel almost identical to the NTN ones we've used before but at a better price. They handle the high loads and speeds with ease, and I couldn’t be happier with their performance.
Emily R.
After installing the Amigo NUP309 bearings in our conveyor systems, I was amazed at how similar they feel to the FAG bearings we usually buy. The installation was straightforward, and the bearings have been running smoothly ever since. We’re really pleased with the value and quality.
Sarah P.
I was hesitant to switch from NACHI to Amigo bearings, but the NUP309 has proven to be an excellent decision. The performance is on par with the more expensive brands, and the bearings have been reliable in our heavy-duty machinery. I'll definitely be sticking with Amigo from now on.
Michael T.
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