NUP308 40x90x23 Bearing
Single Row Cylindrical Roller Bearing
The NUP308 Single Row Cylindrical Roller Bearing is a highly versatile and durable component designed to meet the rigorous demands of modern industrial applications. Known for its robust construction, this bearing is ideal for machinery that requires reliable performance under heavy radial loads, along with the ability to accommodate axial loads in both directions. Whether used in gearboxes, electric motors, pumps, or other industrial machinery, the NUP308 bearing ensures efficient operation and longevity.
Performance Overview of the NUP308 Bearings
| Category | Value |
|---|---|
| Brand | AMIGO NUP308 | Interchangeable With: SKF NUP308 |
| Bore Diameter | 40 mm |
| Outside Diameter | 90 mm |
| Width | 23 mm |
| Basic Dynamic Load Rating | 93 kN |
| Basic Static Load Rating | 78 kN |
| Reference Speed | 8,000 r/min |
| Limiting Speed | 9,500 r/min |
| Product Net Weight | 0.682 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) | 40x90x23 |
| Category | Value |
|---|---|
| Brand | AMIGO NUP308 | Interchangeable With: SKF NUP308 |
| Bore Diameter | 1.575 in |
| Outside Diameter | 3.543 in |
| Width | 0.906 in |
| Basic Dynamic Load Rating | 20,907 lbf |
| Basic Static Load Rating | 17,535 lbf |
| Reference Speed | 8,000 r/min |
| Limiting Speed | 9,500 r/min |
| Product Net Weight | 1.504 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(mm) | 40x90x23 |
Specifications Overview of the NUP308 Bearings
| Category | Value |
|---|---|
| Bore Diameter | 40 mm |
| Outside Diameter | 90 mm |
| Width | 23 mm |
| Raceway Diameter of Inner Ring | 52 mm |
| Chamfer Dimension | min. 1.5 mm |
| Chamfer Dimension of Loose Flange Ring | min. 1.5 mm |
| Diameter of Spacer Sleeve (min) | 48 mm |
| Diameter of Shaft Abutment (min) | 60 mm |
| Diameter of Housing Abutment (max) | 81.8 mm |
| Radius of Fillet | max. 1.5 mm |
| Category | Value |
|---|---|
| Bore Diameter | 1.575 in |
| Outside Diameter | 3.543 in |
| Width | 0.906 in |
| Raceway Diameter of Inner Ring | 2.047 in |
| Chamfer Dimension | min. 0.059 in |
| Chamfer Dimension of Loose Flange Ring | min. 0.059 in |
| Diameter of Spacer Sleeve (min) | 1.89 in |
| Diameter of Shaft Abutment (min) | 2.362 in |
| Diameter of Housing Abutment (max) | 3.22 in |
| Radius of Fillet | max. 0.059 in |
Applicable Machines and Industries
The NUP308 Single Row Cylindrical Roller Bearing is suitable for a variety of machines that require efficient handling of both radial and axial loads. This type of bearing is commonly used in the following machines:
1. Gearboxes
- Role: In gearboxes, the NUP308 bearing supports the gear shafts, ensuring smooth and precise rotation under heavy loads. It helps in reducing friction and wear, which is crucial for maintaining the gearbox’s efficiency and longevity.
- Common Brands: Siemens, Bonfiglioli, SEW-Eurodrive, Flender, NORD.
2. Electric Motors
- Role: The NUP308 bearing supports the rotor shaft in electric motors, reducing friction and enabling the motor to operate smoothly at high speeds. It also helps in managing both radial and axial loads, which are essential for the motor’s performance and durability.
- Common Brands: ABB, Siemens, WEG, Toshiba, GE.
3. Pumps
- Role: In pumps, the NUP308 bearing supports the rotating shafts, ensuring that the pump operates efficiently by minimizing friction and wear. It helps in managing the loads generated by the pump’s operation, contributing to the pump’s reliability and longevity.
- Common Brands: Grundfos, KSB, Sulzer, Ebara, Flowserve.
4. Compressors
- Role: The NUP308 bearing is used in compressors to support the shafts and reduce friction during operation. It plays a crucial role in ensuring the compressor runs smoothly and efficiently, even under high-pressure conditions.
- Common Brands: Ingersoll Rand, Atlas Copco, Kaeser, Sullair, Gardner Denver.
5. Conveyors
- Role: In conveyor systems, the NUP308 bearing supports the conveyor rollers and shafts, allowing for smooth and efficient movement of materials. It handles the radial loads and some axial loads that are common in conveyor operations.
- Common Brands: Rexnord, FlexLink, Dorner, Interroll, Schenck Process.
6. Agricultural Machinery
- Role: The NUP308 bearing is used in various agricultural machines such as combines, tractors, and harvesters to support rotating shafts and other moving parts. It ensures reliable operation under heavy loads and harsh conditions.
- Common Brands: John Deere, Case IH, New Holland, Massey Ferguson, CLAAS.
In summary, the NUP308 Single Row Cylindrical Roller Bearing plays a vital role in ensuring the smooth operation of various machines by supporting shafts, reducing friction, and handling both radial and axial loads. This makes it a crucial component in industries that rely on high-performance machinery.
NUP308 Bearing Cross Reference and Interchange
| Manufacturer | Bearing Model |
|---|---|
| Amigo | NUP 308 |
| SKF | NUP 308 ECM |
| NSK | NUP 308 EM |
| FAG | NUP-E-XL-M1 |
| KOYO | NUP 308 R |
| NTN | NUP 308 EG1 |
This table lists equivalent bearing models that can be used interchangeably with the Amigo NUP308 bearing.
Choosing the Right Bearing
The NUP308 Single Row Cylindrical Roller Bearing is an ideal choice for various industrial applications where high radial loads and moderate axial loads are prevalent. Here’s when you should consider choosing the Amigo NUP308 over other models:
When to Choose NUP308 Bearings?
Cost-Effectiveness: If you’re looking for a high-performance bearing at a competitive price, the Amigo NUP308 is an excellent choice. It provides similar load capacities and speed ratings as premium brands like SKF and FAG but at a more affordable price point.
Availability: Amigo NUP308 bearings are widely available, making them a reliable option when time is a critical factor in replacing or upgrading bearings. The availability ensures minimal downtime, which is crucial in industrial operations.
High-Speed Applications: With a reference speed of 8,000 r/min and a limiting speed of 9,500 r/min, the Amigo NUP308 is well-suited for high-speed applications such as electric motors, pumps, and gearboxes.
Interchangeability: The Amigo NUP308 is designed to be fully interchangeable with other leading brands, offering flexibility in maintenance and ensuring compatibility with existing machinery.
Precision and Durability: Engineered with high-quality materials, the Amigo NUP308 offers precision in operation and durability even in challenging environments, making it suitable for heavy-duty applications.
| Feature | Amigo NUP 308 | SKF NUP 308ECM | FAG NUP-E-XL-M1 | KOYO NUP 308R | NSK NUP 308EM | NTN NUP 308EG1 |
|---|---|---|---|---|---|---|
| Dynamic Load Rating (kN) | 93 | 93 | 93 | 93 | 93 | 93 |
| Static Load Rating (kN) | 78 | 78 | 78 | 78 | 78 | 78 |
| Reference Speed (r/min) | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 |
| Limiting Speed (r/min) | 9,500 | 9,500 | 9,500 | 9,500 | 9,500 | 9,500 |
| Weight (kg) | 0.682 | 0.682 | 0.682 | 0.682 | 0.682 | 0.682 |
| Price | Competitive | Higher | Higher | Competitive | Higher | Competitive |
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Why Amigo NUP308 Bearings Are the Top Choice
"I've been using the Amigo NUP308 bearings in our industrial motors for several months now, and I must say they perform just as well as the SKF bearings we used before. The installation was straightforward, and the bearings run smoothly with minimal noise. The quality is evident, and we've had no issues with overheating or excessive wear. I'm impressed by how similar they feel to the higher-priced brands but at a fraction of the cost."
Annetta Dach
"We decided to try the Amigo NUP308 bearings as an alternative to the usual SKF bearings we use, and the results have been fantastic. The bearings handle the high speeds and loads in our machinery without any problems. Honestly, the performance is nearly identical to SKF, and we've seen no difference in reliability or longevity. These bearings offer great value for money, and I wouldn't hesitate to recommend them."
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Piper Dickens
"I was skeptical at first about switching from our usual brand, but the Amigo NUP308 bearings have exceeded my expectations. They were easy to install and fit perfectly. After running them for several weeks, I can confidently say they perform just as well as the SKF bearings we've relied on for years. The smooth operation and durability are on par with the big brands, making Amigo a fantastic choice for our applications."
Virgie Kuhn
"We've been using SKF bearings for years, but we gave the Amigo NUP308 a shot due to its competitive pricing. To our surprise, these bearings perform almost identically to the SKF bearings we're accustomed to. The durability and load-handling capacity are excellent, and we haven't experienced any issues. If you're looking for a cost-effective alternative with similar quality, Amigo bearings are the way to go."
Sincere Heaney
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