NU 234 170x310x52 Bearing
Single Row Cylindrical Roller Bearing
The NU 234 Single Row Angular Contact Ball Bearing is a versatile, high-performance component designed for use in a variety of industrial applications. With a bore diameter of 170mm, an outside diameter of 310mm, and a width of 52mm, this bearing is well-suited for supporting high radial loads while providing smooth, precise rotational movement. Its non-locating design allows for axial displacement in both directions, making it ideal for applications where thermal expansion or misalignment is a concern. The bearing features a machined brass cage, ensuring enhanced durability and longevity, comparable to leading brands like SKF. Its robust construction makes it suitable for heavy machinery, gearboxes, and electric motors.
Performance Overview of the NU 234 Bearings
| Attribute | Value |
|---|---|
| Brand | AMIGO NU 234 | Interchangeable With: SKF NU 234 |
| Bore diameter | 170 mm |
| Outside diameter | 310 mm |
| Width | 52 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 | Machined metal |
| 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 | 695 kN |
| Basic static load rating | 815 kN |
| Reference speed | 2 200 r/min |
| Limiting speed | 3 800 r/min |
| Product net weight | 17.6 kg |
| Dimensions(mm) | 170x310x52 |
| Attribute | Value |
|---|---|
| Brand | AMIGO NU 234 | Interchangeable With: SKF NU 234 |
| Bore diameter | 6.693 in |
| Outside diameter | 12.205 in |
| Width | 2.047 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 | Machined metal |
| 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 | 156,242 lbf |
| Basic static load rating | 183,219 lbf |
| Reference speed | 2,200 r/min |
| Limiting speed | 3,800 r/min |
| Product net weight | 38.89 lb |
| Dimensions(in) | 6.693x12.205x2.047 |
Specifications Overview of the NU 234 Bearings
| Attribute | Value |
|---|---|
| Bore diameter | 170 mm |
| Outside diameter | 310 mm |
| Width | 52 mm |
| Shoulder diameter of outer ring | ≈ 268.5 mm |
| Raceway diameter of inner ring | 207 mm |
| Chamfer dimension (r1,2) | min. 4 mm |
| Chamfer dimension (r3,4) | min. 4 mm |
| Permissible axial displacement | max. 2.9 mm |
| Diameter of spacer sleeve (da min.) | 188 mm |
| Diameter of spacer sleeve (da max.) | 203 mm |
| Diameter of shaft abutment (db min.) | 210 mm |
| Diameter of housing abutment (Da max.) | 292.4 mm |
| Radius of fillet (ra) | max. 3 mm |
| Radius of fillet (rb) | max. 3 mm |
| Attribute | Value |
|---|---|
| Bore diameter | 6.693 in |
| Outside diameter | 12.205 in |
| Width | 2.047 in |
| Shoulder diameter of outer ring | ≈ 10.571 in |
| Raceway diameter of inner ring | 8.15 in |
| Chamfer dimension (r1,2) | min. 0.157 in |
| Chamfer dimension (r3,4) | min. 0.157 in |
| Permissible axial displacement | max. 0.114 in |
| Diameter of spacer sleeve (da min.) | 7.402 in |
| Diameter of spacer sleeve (da max.) | 7.792 in |
| Diameter of shaft abutment (db min.) | 8.268 in |
| Diameter of housing abutment (Da max.) | 11.512 in |
| Radius of fillet (ra) | max. 0.118 in |
| Radius of fillet (rb) | max. 0.118 in |
Applicable Machines and Industries
The NU 234 Single Row Angular Contact Ball Bearings are suitable for a variety of industrial machinery. Below is a list of machines they are commonly used in, their role within these machines, and interchangeable bearing brands or series:
Suitable Machines:
- CNC Machines:
- Function: Supports high radial loads and moderate axial loads in one direction, ensuring precise spindle rotation.
- Textile Machinery:
- Function: Handles high-speed rotation and heavy radial loads, improving machine efficiency.
- Gearboxes:
- Function: Reduces friction and supports radial loads, enhancing the durability of gear trains.
- Conveyor Systems:
- Function: Provides smooth and stable operation by supporting radial loads during continuous movement.
- Pumps and Compressors:
- Function: Maintains radial load support in high-pressure environments, increasing efficiency and reliability.
- Electric Motors:
- Function: Reduces wear by supporting radial loads during high-speed motor operation.
Interchangeable Bearing Brands/Series:
- SKF NU 234 ECM
- FAG NU234-E-M1
- NSK NU 234 EM
- NTN NU234E
- KOYO NU234R
- INA NU234-XL-M1
These bearings ensure reliable performance across various industrial applications, offering similar functionality and quality to major brands like SKF, FAG, and NSK.
NU 234 Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| Amigo | NU 234 |
| SKF | NU 234 ECM |
| FAG | NU 234-E-XL-TVP2 |
| NSK | NU 234 EM |
| KOYO | NU 234 R |
| NTN | NU 234E |
The table shows the interchangeability of Amigo NU 234 bearings with well-known brands such as SKF, FAG, NSK, KOYO, and NTN. These alternative brands can be used in similar applications where NU 234 bearings are required.
Choosing the Right Bearing
To enhance the user experience and help customers make informed purchasing decisions, we will add a product comparison module for Amigo NU 234 Single Row Angular Contact Ball Bearings. This module will provide a clear comparison between Amigo NU 234 and other similar models, highlighting the specific scenarios in which the NU 234 is the superior choice.
When to Choose Amigo NU 234:
- Higher Load Capacity: Amigo NU 234 boasts higher dynamic and static load ratings compared to competitors, making it a robust choice for heavy-duty applications.
- Enhanced Speed: With a limiting speed of 3,800 r/min, the Amigo NU 234 provides higher rotational performance, making it ideal for high-speed machinery.
- Optimized Weight: Slightly lighter in weight than other brands, the Amigo bearing can contribute to more efficient operations in weight-sensitive applications.
- Competitive Pricing: Offering a strong balance of performance and price, Amigo NU 234 provides cost-effective value without compromising on quality.
- Material Advantage: The machined metal cage of the Amigo bearing ensures durability and reliability in demanding conditions.
This comparison helps users understand the benefits of selecting Amigo NU 234 Single Row Angular Contact Ball Bearings over other models, guiding them toward a more informed and confident purchasing decision.
| Feature | Amigo NU 234 | SKF NU 234 ECM | FAG NU 234-E-XL-TVP2 | NTN NU 234 E |
|---|---|---|---|---|
| Dynamic Load Rating (kN) | 695 | 685 | 670 | 680 |
| Static Load Rating (kN) | 815 | 805 | 790 | 800 |
| Limiting Speed (r/min) | 3,800 | 3,600 | 3,500 | 3,600 |
| Weight (kg) | 17.6 | 17.8 | 18 | 18.1 |
| Material | Machined Metal Cage | Machined Metal Cage | Sheet Steel Cage | Machined Brass Cage |
| Radial Internal Clearance | CN (Normal) | CN (Normal) | C3 (Loose) | CN (Normal) |
| Price | Competitive | Higher | Moderate | Higher |
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Why Amigo NU 234 Bearings Are the Top Choice
"I recently replaced the bearings in our industrial equipment with Amigo NU 234 Single Row Bearings, and I'm thoroughly impressed. The performance is on par with SKF bearings we've used in the past, but at a much more reasonable price point. The installation was seamless, and the smooth operation ever since has been a game-changer for our production efficiency."
Willard Strosin
"I’ve been using SKF bearings for years, but decided to try the Amigo NU 234 Single Row Bearings. I can confidently say the quality feels almost identical. They’ve been running in our machinery for several months without any issues, handling high speeds and loads just as well as the premium brands. Definitely a solid alternative."
Vergie Howe
"We switched to Amigo NU 234 bearings for our heavy-duty machinery, and so far, the performance has been exceptional. The build quality and durability are similar to what we experienced with other leading brands like FAG and SKF. It’s been running smoothly under high loads, and I’m pleased with the reliability it offers."
Sharon Carroll
"After trying out the Amigo NU 234 bearings, I’m convinced these are just as good as the top-tier brands. They fit perfectly and have been working flawlessly in our conveyor system. The low noise and high load capacity really make these bearings stand out. For anyone used to SKF or NSK, these are definitely worth considering."
Yasmin Olson
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