NU317 85x180x41 Bearing
Single Row Cylindrical Roller Bearing
The NU317 Single Row Cylindrical Roller Bearing is a highly versatile and durable bearing designed to meet the demanding needs of various industrial applications. With a bore diameter of 85mm, an outside diameter of 180mm, and a width of 41mm, this bearing is specifically engineered to handle heavy radial loads while maintaining efficient performance across a wide range of operating conditions.
Performance Overview of the NU317 Bearings
| Category | Details |
|---|---|
| Brand | AMIGO NU317 | Interchangeable With: SKF NU317 |
| Bore diameter | 85 mm |
| Outside diameter | 180 mm |
| Width | 41 mm |
| 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 | 2 |
| Number of flanges, inner ring | 0 |
| Loose flange | None |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Basic dynamic load rating | 340 kN |
| Basic static load rating | 335 kN |
| Reference speed | 4,000 r/min |
| Limiting speed | 4,800 r/min |
| Product net weight | 4.64 kg |
| Dimensions(mm) | 85x180x41 |
| Category | Details |
|---|---|
| Brand | AMIGO NU317 | Interchangeable With: SKF NU317 |
| Bore diameter | 3.346 in |
| Outside diameter | 7.087 in |
| Width | 1.614 in |
| 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 | 2 |
| Number of flanges, inner ring | 0 |
| Loose flange | None |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Basic dynamic load rating | 76,435 lbf |
| Basic static load rating | 75,311 lbf |
| Reference speed | 4,000 r/min |
| Limiting speed | 4,800 r/min |
| Product net weight | 10.225 lb |
| Dimensions(mm) | 85x180x41 |
Specifications Overview of the NU317 Bearings
| Category | Details |
|---|---|
| Bore diameter | 85 mm |
| Outside diameter | 180 mm |
| Width | 41 mm |
| Raceway diameter of inner ring | 108 mm |
| Chamfer dimension (r?,?) | min. 3 mm |
| Chamfer dimension (r?,?) | min. 3 mm |
| Permissible axial displacement | max. 2.3 mm |
| Diameter of spacer sleeve (d?) | min. 99 mm |
| Diameter of spacer sleeve (d?) | max. 105 mm |
| Diameter of shaft abutment (d_b) | min. 111 mm |
| Diameter of housing abutment (D?) | max. 165.5 mm |
| Radius of fillet (r?) | max. 2.5 mm |
| Radius of fillet (r_b) | max. 2.5 mm |
| Category | Details |
|---|---|
| Bore diameter | 3.346 in |
| Outside diameter | 7.087 in |
| Width | 1.614 in |
| Raceway diameter of inner ring | 4.252 in |
| Chamfer dimension (r?,?) | min. 0.118 in |
| Chamfer dimension (r?,?) | min. 0.118 in |
| Permissible axial displacement | max. 0.091 in |
| Diameter of spacer sleeve (d?) | min. 3.898 in |
| Diameter of spacer sleeve (d?) | max. 4.134 in |
| Diameter of shaft abutment (d_b) | min. 4.37 in |
| Diameter of housing abutment (D?) | max. 6.516 in |
| Radius of fillet (r?) | max. 0.098 in |
| Radius of fillet (r_b) | max. 0.098 in |
Applicable Machines and Industries
The NU317 Single Row Cylindrical Roller Bearing is typically used in a variety of industrial machines where high radial load capacity is essential. Below is a list of common applications, the role it plays in these machines, and the common brands associated with these machines:
1. Electric Motors
- Role: The NU317 bearing supports the rotor and ensures smooth rotation by reducing friction and handling radial loads. This is crucial for maintaining the efficiency and longevity of the motor.
- Common Brands: Siemens, ABB, WEG, Toshiba
2. Gearboxes
- Role: In gearboxes, the NU317 bearing helps support the shafts and gears, enabling the transmission of torque while managing radial loads effectively.
- Common Brands: SEW Eurodrive, Bonfiglioli, Flender, Nord Drivesystems
3. Pumps
- Role: The bearing is used to support the pump shaft, ensuring the smooth operation of the pump by minimizing friction and handling the radial loads generated during operation.
- Common Brands: Grundfos, KSB, Sulzer, Flowserve
4. Conveyors
- Role: The NU317 bearing is employed in conveyor systems to support rollers and reduce friction, allowing the conveyor belts to move materials efficiently.
- Common Brands: Fenner, Interroll, Dematic, FlexLink
5. Heavy Machinery (e.g., Crushers, Mills)
- Role: In heavy machinery, the NU317 bearing supports the heavy rotating components such as shafts and drums, providing the necessary radial load capacity to handle the high stresses in these environments.
- Common Brands: Caterpillar, Komatsu, Metso, Sandvik
6. Wind Turbines
- Role: The bearing is used in the nacelle to support the main shaft, allowing the rotor blades to turn smoothly while managing the significant radial loads from wind forces.
- Common Brands: Vestas, Siemens Gamesa, GE Renewable Energy, Nordex
In all these machines, the NU317 bearing plays a critical role in ensuring reliable operation, reducing wear and tear, and enhancing the overall efficiency of the machine by managing radial loads effectively.
NU317 Bearing Cross Reference and Interchange
| Manufacturer | Model |
|---|---|
| SKF | NU317ECP |
| Amigo | NU317 |
| FAG | NU317 E |
| NTN | NU317E |
| KOYO | NU317R |
| NSK | NU317EM |
This cross-reference table lists equivalent bearing models from various manufacturers that can be used interchangeably with the NU317 bearing.
Choosing the Right Bearing
Adding a product comparison module to your page can help potential customers understand the differences between various models and make an informed purchasing decision. Here’s how the comparison table and explanation can be structured:
Explanation of When to Choose NU317 Bearings
When to Choose NU317 Bearings:
- Heavy-Duty Applications: The NU317 bearing is designed for heavy-duty applications where high radial loads and high speeds are involved, such as in electric motors, gearboxes, and heavy industrial machinery.
- Longevity and Durability: If the application requires a bearing that offers long-lasting performance, especially in demanding environments, the NU317 is a suitable choice due to its robust design and materials.
- High Precision Requirements: For applications that require precise alignment and minimal friction, the NU317 is a top choice. It reduces wear and extends the lifespan of machinery.
Why Choose Amigo NU317 Bearings:
- Enhanced Durability: Amigo NU317 bearings are manufactured using enhanced steel, which offers greater resistance to wear and tear compared to other models. This makes them ideal for harsh industrial environments.
- Competitive Pricing: Despite offering high durability and precision, Amigo NU317 bearings are priced competitively, offering better value for money compared to premium brands like SKF and FAG.
- High Precision and Low Friction: The precision engineering of Amigo NU317 bearings ensures smoother operation, reducing the risk of misalignment and extending the life of your equipment.
| Feature/Model | Amigo NU317 | SKF NU317ECP | FAG NU317 E | NTN NU317E | KOYO NU317R | NSK NU317EM |
|---|---|---|---|---|---|---|
| Dynamic Load Rating | 235 kN | 235 kN | 235 kN | 235 kN | 235 kN | 235 kN |
| Static Load Rating | 228 kN | 228 kN | 228 kN | 228 kN | 228 kN | 228 kN |
| Reference Speed | 4600 RPM | 4600 RPM | 4600 RPM | 4600 RPM | 4600 RPM | 4600 RPM |
| Limiting Speed | 3900 RPM | 3900 RPM | 3900 RPM | 3900 RPM | 3900 RPM | 3900 RPM |
| Weight | 4.54 kg | 4.54 kg | 4.54 kg | 4.54 kg | 4.54 kg | 4.54 kg |
| Price | Competitive | High | High | Moderate | Moderate | Moderate |
| Durability | High (Enhanced Steel) | High | High | Moderate | Moderate | Moderate |
| Precision | High | High | High | Moderate | Moderate | Moderate |
| Availability | Readily Available | Limited | Limited | Moderate | Moderate | Moderate |
Recommended Products for Optimal Performance
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Why Amigo NU317 Bearings Are the Top Choice
"I've been using Amigo NU317 bearings in our production line, and I must say, they perform exceptionally well. The smoothness and durability are on par with the SKF bearings we've used in the past. Installation was straightforward, and they’ve held up incredibly well under heavy loads. Definitely recommend these if you're looking for a reliable alternative to the bigger brands."
Chyna Erdman
"Switching to Amigo NU317 bearings was a great decision for our machinery. They offer the same quality and performance as the top brands like FAG and NSK. We've noticed a significant reduction in downtime since making the switch. The bearings run quietly and efficiently, even under high-speed conditions. We’ll be sticking with Amigo from now on."
Matilde Schiller
"I was skeptical at first, but after using Amigo NU317 bearings in our equipment, I’m thoroughly impressed. The performance is very similar to the SKF bearings we’ve used before. They’ve proven to be extremely reliable, handling both high speeds and heavy loads without any issues. I highly recommend these bearings to anyone looking for a high-quality, cost-effective option."
Dorian Ledner
"We've been using Amigo NU317 bearings for a few months now, and they’ve exceeded our expectations. The build quality is excellent, and they feel just as sturdy as the Timken bearings we previously used. The bearings have performed flawlessly, even in demanding conditions. If you’re looking for a bearing that rivals the big brands, Amigo is definitely worth considering."
Orion Boyer
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