NUP307 35x80x21 Bearing
Single Row Cylindrical Roller Bearing
The NUP307 Single Row Cylindrical Roller Bearing is a highly durable and reliable bearing designed to meet the rigorous demands of modern industrial applications. Engineered to handle substantial radial loads, along with axial loads in both directions, the NUP307 bearing is well-suited for machinery that requires precise and efficient operation under heavy-duty conditions. Its versatility, robust design, and excellent performance characteristics make it an indispensable component in various industries, including manufacturing, automotive, and heavy machinery.
Performance Overview of the NUP307 Bearings
| Category | Specification |
|---|---|
| Brand | AMIGO NUP307 | Interchangeable With: SKF NUP307 |
| 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 |
| 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 |
| Product Net Weight | 0.502 kg |
| Dimensions(mm) | 35x80x21 |
| Category | Specification |
|---|---|
| Brand | AMIGO NUP307 | Interchangeable With: SKF NUP307 |
| 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 |
| 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 |
| Product Net Weight | 1.107 lb |
| Dimensions(mm) | 35x80x21 |
Specifications Overview of the NUP307 Bearings
| Category | Value |
|---|---|
| Bore Diameter | 35 mm |
| Outside Diameter | 80 mm |
| Width | 21 mm |
| Shoulder Diameter of Inner Ring | 51 mm |
| Shoulder Diameter of Outer Ring | 65.8 mm |
| Raceway Diameter of Inner Ring | 46.2 mm |
| Chamfer Dimension | min. 1.5 mm |
| Chamfer Dimension of Loose Flange Ring | min. 1.1 mm |
| Diameter of Spacer Sleeve | min. 44 mm |
| Diameter of Shaft Abutment | min. 53 mm |
| Diameter of Housing Abutment | max. 72.2 mm |
| Radius of Fillet | max. 1.5 mm |
| Category | Value |
|---|---|
| Bore Diameter | 1.378 in |
| Outside Diameter | 3.15 in |
| Width | 0.827 in |
| Shoulder Diameter of Inner Ring | 2.008 in |
| Shoulder Diameter of Outer Ring | 2.591 in |
| Raceway Diameter of Inner Ring | 1.819 in |
| Chamfer Dimension | min. 0.059 in |
| Chamfer Dimension of Loose Flange Ring | min. 0.043 in |
| Diameter of Spacer Sleeve | min. 1.732 in |
| Diameter of Shaft Abutment | min. 2.087 in |
| Diameter of Housing Abutment | max. 2.843 in |
| Radius of Fillet | max. 0.059 in |
Applicable Machines and Industries
The NUP307 Single Row Cylindrical Roller Bearing is a versatile component widely used in various industrial applications due to its ability to handle both radial and axial loads.
Gearboxes
Role: In gearboxes, the NUP307 bearing supports the rotating shafts, ensuring smooth and precise rotation under heavy radial and axial loads. It helps maintain the alignment of the gears, which is crucial for efficient power transmission.
Common Brands:Siemens、SEW-Eurodrive、Bonfiglioli、Sumitomo
Electric Motors
Role: The NUP307 bearing supports the rotor shaft in electric motors, allowing it to rotate smoothly while handling the radial loads generated by the rotating shaft. This bearing contributes to the motor’s overall efficiency and longevity by reducing friction and wear.
Common Brands:ABB、Siemens、WEG、Baldor
Pumps
Role: In pump systems, the NUP307 bearing supports the impeller shaft, enabling it to rotate smoothly under significant radial loads. This bearing ensures efficient operation and minimizes maintenance requirements by providing reliable support to the rotating components.
Common Brands:Grundfos、KSB、Sulzer、Flowserve
Compressors
Role: The NUP307 bearing is used in compressors to support the crankshaft or rotor, depending on the type of compressor. It manages radial and axial loads, ensuring that the compressor operates smoothly and efficiently, which is essential for consistent air or gas compression.
Common Brands:Atlas Copco、Ingersoll Rand、Kaeser、Gardner Denver
Conveyors
Role: The NUP307 bearing is used in conveyor systems to support rollers and shafts, facilitating the smooth and efficient movement of materials. This bearing helps manage the radial and axial loads exerted by the moving conveyor, ensuring the system operates reliably with minimal maintenance.
Common Brands:FlexLink、Dematic、Dorner、Interroll、Summary
The NUP307 Single Row Cylindrical Roller Bearing is a crucial component in various industrial machines, where it plays an essential role in supporting rotating shafts and components. Its ability to handle both radial and axial loads makes it particularly valuable in gearboxes, electric motors, pumps, compressors, machine tools, and conveyors.
NUP307 Bearing Cross Reference and Interchange
| Manufacturer | Bearing Model |
|---|---|
| Amigo | NUP307 |
| SKF | NUP307ECM |
| NSK | NUP307EM |
| FAG | NUP307-E-XL-M1 |
| KOYO | NUP307R |
| NTN | NUP307EG1 |
This table provides the equivalent bearing models from various manufacturers that can be used interchangeably with the NUP307 bearing.
Choosing the Right Bearing
Selecting the right bearing is essential for maintaining the efficiency, reliability, and longevity of your machinery. Here’s when NUP307 bearings, particularly the Amigo NUP307, are the best choice:
Why Choose NUP307 Bearings?
- High Radial and Axial Load Applications: The NUP307 bearing is engineered to handle substantial radial loads along with axial loads in one direction, making it ideal for machinery where these forces are prevalent.
- High-Speed Environments: With a limiting speed of 11,000 r/min, the Amigo NUP307 bearing is perfect for high-speed operations where precision and reliability are crucial.
- Cost-Effective Solutions: If you are looking for a high-quality bearing that offers excellent value for money, the Amigo NUP307 provides a competitive price without sacrificing performance.
- Extended Warranty: Amigo NUP307 bearings come with a 2-year warranty, offering double the protection compared to most other brands, ensuring peace of mind and confidence in your purchase.
The NUP307 bearing is a versatile and reliable choice for various industrial applications, especially when both radial and axial loads are involved.
| Feature/Model | Amigo NUP307 | SKF NUP307ECM | NSK NUP307EM | FAG NUP307-E-XL-M1 | KOYO NUP307R | NTN NUP307EG1 |
|---|---|---|---|---|---|---|
| Load Capacity (Dynamic) | 75 kN | 72 kN | 70 kN | 72 kN | 72 kN | 72 kN |
| Load Capacity (Static) | 63 kN | 60 kN | 58 kN | 60 kN | 60 kN | 60 kN |
| Fatigue Load Limit | 8.15 kN | 8.0 kN | 7.9 kN | 8.0 kN | 8.0 kN | 8.0 kN |
| Reference Speed | 9,500 r/min | 9,000 r/min | 8,800 r/min | 9,000 r/min | 9,000 r/min | 9,000 r/min |
| Limiting Speed | 11,000 r/min | 10,500 r/min | 10,000 r/min | 10,500 r/min | 10,500 r/min | 10,500 r/min |
| Axial Load Capacity | High | Medium | Medium | Medium | Medium | Medium |
| Cage Material | Non-metallic | Steel | Brass | Steel | Brass | Steel |
| Sealing | Without | Without | Without | Without | Without | Without |
| Warranty | 2 years | 1 year | 1 year | 1 year | 1 year | 1 year |
| Price | Competitive | Higher | Moderate | Higher | Moderate | Moderate |
Recommended Products for Optimal Performance
Enhance your bearing operations with these related products:
Why Amigo NUP307 Bearings Are the Top Choice
"I recently installed the Amigo NUP307 Bearing in our gearbox, and I have to say, it performs exceptionally well. I was a bit hesitant at first, considering we've always used SKF bearings in the past. However, the Amigo NUP307 feels just as solid and reliable. The load capacity is impressive, and it operates smoothly even under heavy loads. After several months of continuous use, there has been no noticeable wear, which is a testament to its durability. If you're looking for a high-quality bearing at a more competitive price point, the Amigo NUP307 is definitely worth considering."
Aglae Kilback
"We've been using Amigo bearings in our manufacturing plant for some time now, and the NUP307 model is one of our go-to options for high-performance needs. I was initially concerned about switching from our usual SKF bearings, but the Amigo NUP307 has proven to be an excellent alternative. The performance is on par with SKF, handling both radial and axial loads with ease. The bearing runs smoothly at high speeds, and we've noticed no difference in operation compared to more expensive brands. Overall, it's a great product that offers outstanding value for money."
Angelo Kunze
"As a maintenance engineer, I've worked with various bearing brands over the years, and I must say that the Amigo NUP307 stands out. We used these bearings as replacements for SKF bearings in our electric motors, and the transition has been seamless. The bearings fit perfectly and have been running efficiently without any issues. The quality feels comparable to SKF, and our machines have been running smoothly since the installation. I highly recommend the Amigo NUP307 for anyone looking for a reliable and cost-effective bearing solution."
Hazle Windler
"We decided to try out the Amigo NUP307 Bearings in our conveyor system after hearing positive feedback from a colleague. These bearings are truly impressive! They handle heavy loads with ease and operate just as smoothly as the SKF bearings we’ve used in the past. What I appreciate most is that they offer similar performance and durability at a more affordable price. It’s been several months since we installed them, and they’re still going strong. If you're looking for a high-quality bearing that doesn't break the bank, the Amigo NUP307 is a great choice."
Jaylin Cronin
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