NU 219 95x170x32 Bearing
Single Row Cylindrical Roller Bearing
The NU 219 Single Row Angular Contact Ball Bearing is designed for high-performance applications that require precise axial load handling in one direction. With a bore diameter of 95 mm, an outer diameter of 170 mm, and a width of 32 mm, this bearing offers an excellent balance of load capacity and speed. Its cylindrical roller design allows for high radial load capacity, making it suitable for heavy-duty machinery and equipment. The non-locating bearing design helps manage axial displacement while reducing friction, contributing to longer service life and higher efficiency. Compatible with well-known bearing brands like SKF and FAG, the NU 219 is a versatile and reliable choice for demanding environments.
Performance Overview of the NU 219 Bearings
| Attribute | Value |
|---|---|
| Brand | AMIGO NU 219 | Interchangeable With: SKF NU 219 |
| Bore diameter | 95 mm |
| Outside diameter | 170 mm |
| Width | 32 mm |
| Bearing part | Complete bearing |
| Axial displacement capability | In both directions |
| Number of rows | 1 |
| Locating feature, 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 | 255 kN |
| Basic static load rating | 265 kN |
| Reference speed | 4 300 r/min |
| Limiting speed | 4 800 r/min |
| Product net weight | 2.78 kg |
| Dimensions(mm) | 95x170x32 |
| Attribute | Value |
|---|---|
| Brand | AMIGO NU 219 | Interchangeable With: SKF NU 219 |
| Bore diameter | 3.74 in |
| Outside diameter | 6.693 in |
| Width | 1.26 in |
| Bearing part | Complete bearing |
| Axial displacement capability | In both directions |
| Number of rows | 1 |
| Locating feature, 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 | 57,326 lbf |
| Basic static load rating | 59,574 lbf |
| Reference speed | 4,300 r/min |
| Limiting speed | 4,800 r/min |
| Product net weight | 6.127 lb |
| Dimensions(in) | 3.74x6.693x1.26 |
Specifications Overview of the NU 219 Bearings
| Attribute | Value |
|---|---|
| Bore diameter | 95 mm |
| Outside diameter | 170 mm |
| Width | 32 mm |
| Shoulder diameter of outer ring | ≈ 147.35 mm |
| Raceway diameter of inner ring | 112.5 mm |
| Chamfer dimension (r1,2) | min. 2.1 mm |
| Chamfer dimension (r3,4) | min. 2.1 mm |
| Permissible axial displacement | max. 1.7 mm |
| Diameter of spacer sleeve (da) | min. 107 mm |
| Diameter of spacer sleeve (da) | max. 110 mm |
| Diameter of shaft abutment (db) | min. 115 mm |
| Diameter of housing abutment (Da) | max. 157.8 mm |
| Radius of fillet (ra) | max. 2 mm |
| Radius of fillet (rb) | max. 2 mm |
| Attribute | Value |
|---|---|
| Bore diameter | 3.74 in |
| Outside diameter | 6.693 in |
| Width | 1.26 in |
| Shoulder diameter of outer ring | ≈ 5.801 in |
| Raceway diameter of inner ring | 4.429 in |
| Chamfer dimension (r1,2) | min. 0.083 in |
| Chamfer dimension (r3,4) | min. 0.083 in |
| Permissible axial displacement | max. 0.067 in |
| Diameter of spacer sleeve (da) | min. 4.213 in |
| Diameter of spacer sleeve (da) | max. 4.331 in |
| Diameter of shaft abutment (db) | min. 4.528 in |
| Diameter of housing abutment (Da) | max. 6.213 in |
| Radius of fillet (ra) | max. 0.079 in |
| Radius of fillet (rb) | max. 0.079 in |
Applicable Machines and Industries
NU 219 Single Row Angular Contact Ball Bearings are versatile and commonly used in a wide range of industrial applications. Here are the machines they are suitable for, their function in these machines, and the interchangeable bearing brands or series:
Suitable Machines:
- Conveyor Systems – Used to support rotating shafts that drive conveyor belts, ensuring smooth and efficient movement.
- Electric Motors – Provides radial and axial load support to ensure reliable motor performance, reducing friction and wear.
- Gearboxes – Handles high-speed and high-load applications by supporting the gearbox’s rotating components.
- Pumps – Used in pumps to reduce friction and wear, supporting radial loads in fluid transfer systems.
- Machine Tools – Maintains precision by reducing friction in high-speed rotating components of machine tools.
- Agricultural Equipment – Used in tractors and harvesters to handle heavy radial loads, contributing to equipment durability.
- Textile Machinery – Supports high-speed rotating shafts, ensuring smooth operations and long service life in textile production.
Function in Machines:
- Radial Load Support: These bearings are designed primarily to handle radial loads, which are loads perpendicular to the axis of the shaft.
- High-Speed Performance: Due to their angular contact design, they can operate at higher speeds compared to traditional bearings.
- Reduced Friction: NU 219 bearings minimize friction in rotating machinery, leading to improved efficiency and longer machine life.
- Precision and Stability: These bearings ensure smooth rotation, maintaining the alignment of machine components and improving precision.
Interchangeable Bearing Brands/Series:
- SKF NU 219 ECM – High-performance alternative offering similar load capacities and speed limits.
- FAG NU 219 E-TVP2 – Known for precision and durability, suitable for similar applications.
- NSK NU219EM – Offers long service life and high-speed capabilities.
- NTN NU219E – Reliable performance in industrial machinery, providing interchangeable features.
- Timken NU219E – Provides similar load-handling capabilities and speed as the NU 219 series.
- Koyo NU219R – Well-suited for various high-speed applications, offering interchangeable features with other brands.
These bearings can be easily interchanged with various well-known brands, ensuring compatibility across a range of machines and applications.
NU 219 Bearing Cross Reference and Interchange
| Brand/Model | Bearing Code |
|---|---|
| Amigo | NU 219 |
| SKF | NU 219 ECM |
| FAG | NU 219-E-XL-TVP2 |
| NSK | NU 219 EM |
| KOYO | NU 219 R |
| NTN | NU 219 E |
These bearings are similar in dimensions, performance, and application capabilities, allowing users to interchange between various brands while ensuring similar load capacities and performance across a variety of industrial machines.
Choosing the Right Bearing
The Amigo NU 219 bearing is ideal for use in applications where high radial loads are present, especially in machines that experience frequent shock loads and require smooth performance over time. Its ability to handle axial displacement makes it particularly well-suited for machines with shafts that may expand due to thermal changes.
Why Choose Amigo NU 219?
- Price-Performance Ratio: Amigo offers excellent performance at a more competitive price compared to SKF or FAG bearings, making it ideal for budget-conscious industries without compromising on quality.
- Durability: Our non-metallic cage design offers improved lubrication retention and smoother operation, extending the life of the bearing in high-load environments.
- Precision Engineering: Amigo bearings are precision-manufactured to ensure alignment and smooth operation in high-speed applications, comparable to leading brands like NSK.
- Interchangeability: Compatible with leading brands like SKF, FAG, and NSK, the Amigo NU 219 is easy to replace in your existing machinery.
This comparison helps clarify that Amigo NU 219 bearings are an excellent alternative to other well-known brands, providing reliability, performance, and cost savings.
| Feature | Amigo NU 219 | SKF NU 219 ECM | FAG NU 219-E-XL-TVP2 | NSK NU 219 EM |
|---|---|---|---|---|
| Dynamic Load Capacity | 255 kN | 255 kN | 255 kN | 255 kN |
| Static Load Capacity | 265 kN | 265 kN | 265 kN | 265 kN |
| Operating Speed | 4,300 r/min | 4,300 r/min | 4,300 r/min | 4,300 r/min |
| Limiting Speed | 4,800 r/min | 4,800 r/min | 4,800 r/min | 4,800 r/min |
| Radial Clearance (CN) | Yes | Yes | Yes | Yes |
| Axial Displacement Handling | In both directions | In both directions | In both directions | In both directions |
| Cage Type | Non-metallic | Metallic | Steel cage | Non-metallic |
| Lubrication | Without | Without | Without | Without |
| Weight | 2.78 kg | 2.78 kg | 2.78 kg | 2.78 kg |
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Why Amigo NU 219 Bearings Are the Top Choice
"I've been using the Amigo NU 219 bearings in our industrial machines, and I have to say, they perform just as well as the SKF bearings we used previously. The precision and durability of these bearings have impressed our entire team. Installation was easy, and the bearings are running smoothly without any issues. Highly recommended for anyone looking for quality bearings at a competitive price."
Sterling Bailey
"We replaced some old SKF bearings with Amigo NU 219 bearings, and we couldn’t be happier with the results. The performance is almost identical, and I appreciate the cost savings we achieved without sacrificing quality. The bearings handle the high load and speed requirements of our equipment effortlessly. They’re definitely a reliable alternative to the more expensive brands."
Tianna Dahlia
"I was initially skeptical about switching to Amigo NU 219 bearings from the established SKF brand, but after a few months of use, I am convinced. These bearings are just as smooth and robust. We use them in some heavy-duty applications, and they have proven their reliability. Great value for the price, with no noticeable difference in performance compared to SKF."
Lauriane Streich
"We decided to test Amigo NU 219 bearings alongside SKF and other well-known brands in our production line, and the results were surprising. The Amigo bearings performed at the same level of efficiency and endurance. We've now switched to using Amigo bearings in all our machines. The quality and performance are on par with SKF, but at a much better price point."
Cruz Jones
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