NUP 211 ECM 55x100x21 Bearing
Single Row Full Complement Cylindrical Roller Bearing
The NUP 211 ECM Single Row Full Complement Cylindrical Roller Bearing is engineered for high radial load capacity and moderate axial loads in both directions. With a full complement of rollers, it offers maximum load-bearing performance without the need for a cage. This bearing is ideal for applications such as electric motors, pumps, and industrial gearboxes, where durability and efficiency are crucial. Its robust design ensures long-lasting performance in demanding environments. The NUP 211 ECM provides stability, reduced maintenance needs, and is interchangeable with major bearing brands, making it a versatile solution for various industries.
Performance Overview of the NUP 211 ECM Bearings
| Specifications | Details |
|---|---|
| Brand | AMIGO NUP 211 ECM | Interchangeable With: SKF NUP 211 ECM |
| Bore diameter | 55 mm |
| Outside diameter | 100 mm |
| Width | 21 mm |
| Bearing part | Complete bearing |
| Axial displacement capability | None |
| 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 | 1 |
| Loose flange | Inner ring loose flange |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Basic dynamic load rating | 96.5 kN |
| Basic static load rating | 95 kN |
| Reference speed | 7,500 r/min |
| Limiting speed | 8,000 r/min |
| Product net weight | 0.8 kg |
| Dimensions(mm) | 55x100x21 |
| Specifications | Details |
|---|---|
| Brand | AMIGO NUP 211 ECM | Interchangeable With: SKF NUP 211 ECM |
| Bore diameter | 2.165 in |
| Outside diameter | 3.937 in |
| Width | 0.827 in |
| Bearing part | Complete bearing |
| Axial displacement capability | None |
| 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 | 1 |
| Loose flange | Inner ring loose flange |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Basic dynamic load rating | 21,694 lbf |
| Basic static load rating | 21,357 lbf |
| Reference speed | 7,500 r/min |
| Limiting speed | 8,000 r/min |
| Product net weight | 1.764 lb |
| Dimensions(in) | 2.165x3.937x0.827 |
Specifications Overview of the NUP 211 ECM Bearings
| Specifications | Details |
|---|---|
| Bore diameter | 55 mm |
| Outside diameter | 100 mm |
| Width | 21 mm |
| Shoulder diameter of inner ring | ≈ 70.8 mm |
| Shoulder diameter of outer ring | ≈ 85.68 mm |
| Raceway diameter of inner ring | 66 mm |
| Chamfer dimension r1,2 | min. 1.5 mm |
| Chamfer dimension r3,4 | min. 11 mm |
| Diameter of spacer sleeve da | min. 63 mm |
| Diameter of shaft abutment db | min. 73 mm |
| Diameter of housing abutment Da | max. 914 mm |
| Radius of fillet ra | max. 1.5 mm |
| Specifications | Details |
|---|---|
| Bore diameter | 2.165 in |
| Outside diameter | 3.937 in |
| Width | 0.827 in |
| Shoulder diameter of inner ring | ≈ 2.787 in |
| Shoulder diameter of outer ring | ≈ 3.373 in |
| Raceway diameter of inner ring | 2.598 in |
| Chamfer dimension r1,2 | min. 0.059 in |
| Chamfer dimension r3,4 | min. 0.043 in |
| Diameter of spacer sleeve da | min. 2.48 in |
| Diameter of shaft abutment db | min. 2.874 in |
| Diameter of housing abutment Da | max. 3.598 in |
| Radius of fillet ra | max. 0.059 in |
Applicable Machines and Industries
1. Industrial Gearboxes
- Role: The NUP 211 ECM bearings support the radial and axial loads in industrial gearboxes, ensuring smooth rotation and preventing shaft misalignment.
- Replaceable Bearing Brands/Series: SKF NUP 211 ECM, FAG NUP 211 E-TVP2
2. Conveyor Systems
- Role: These bearings handle the high-speed rotation and heavy loads in conveyor belt systems, providing reliable performance and reducing friction.
- Replaceable Bearing Brands/Series: NSK NUP 211, NTN NUP 211
3. Electric Motors
- Role: The bearings support the motor shaft, reducing friction and wear, and are essential for maintaining motor efficiency under high loads.
- Replaceable Bearing Brands/Series: KOYO NUP 211, Timken NUP 211
4. Pumps and Compressors
- Role: In pumps and compressors, NUP 211 ECM bearings ensure efficient operation by supporting axial and radial loads while reducing energy loss due to friction.
- Replaceable Bearing Brands/Series: ZKL NUP 211, INA NUP 211
5. Printing Machinery
Role: These bearings help maintain precision and high-speed operation in printing machinery, ensuring consistent performance with minimal downtime.
- Replaceable Bearing Brands/Series: SKF NUP 211 ECM, Amigo NUP 211
NUP 211 ECM Bearing Cross Reference and Interchange
| Brand | Bearing Model |
|---|---|
| SKF | NUP211ECM |
| Amigo | NUP211ECM |
| FAG | NUP211-E-XL-M1-C3 |
| KOYO | NUP211R |
| Old Part No | 92211E |
| NTN | NUP211E |
| Rollway | LP1211U |
| STEYR | NUP211E |
This table summarizes the bearing cross-reference and interchange guide for the NUP 211 ECM Single Row Full Complement Cylindrical Roller Bearings. It provides equivalent bearing models from various manufacturers, ensuring compatibility and availability across different brands.
Choosing the Right Bearing
When comparing the Amigo NUP 211 ECM bearing to other similar models, several key advantages make it the superior choice for various applications:
When to Choose NUP 211 ECM?
- High radial load capacity: When your application requires the bearing to withstand high radial loads, the NUP 211 ECM is the optimal choice.
- Axial displacement in one direction: Ideal for machines that need axial displacement, the NUP 211 ECM handles this in one direction.
- Durable and long-lasting: For applications requiring longevity, this bearing offers high durability with minimal maintenance.
- Compact design for tight spaces: NUP 211 ECM’s compact design works efficiently in scenarios where space is limited.
- Interchangeable with other leading brands: It’s interchangeable with SKF and FAG models, making it versatile for replacements.
The Amigo NUP 211 ECM bearing offers excellent performance comparable to leading brands like SKF and FAG. It ensures reliable load handling with minimal wear, and its compatibility with other brands allows for hassle-free replacements. Its superior design provides robustness and extended service life, even under harsh conditions.
| Feature | Amigo NUP 211 ECM | SKF NUP 211 ECM | FAG NUP 211-E-XL-M1-C3 | KOYO NUP 211R | NTN NUP 211E |
|---|---|---|---|---|---|
| Basic Dynamic Load Rating (kN) | 96.5 | 96.5 | 96.5 | 95 | 94 |
| Basic Static Load Rating (kN) | 95 | 95 | 95 | 94 | 93 |
| Reference Speed (r/min) | 7500 | 7500 | 7500 | 7200 | 7300 |
| Limiting Speed (r/min) | 8000 | 8000 | 8000 | 7800 | 7700 |
| Radial Internal Clearance | CN | CN | C3 | C3 | CN |
| Number of Rows | 1 | 1 | 1 | 1 | 1 |
| Cage Type | Machined Metal | Machined Metal | Sheet Metal | Machined Brass | Pressed Steel |
| Sealing | Without | Without | Without | With | Without |
| Axial Displacement Capability | One Direction | One Direction | One Direction | Both Directions | Both Directions |
| Operating Temperature Range | -30°C to +120°C | -30°C to +120°C | -20°C to +120°C | -20°C to +100°C | -25°C to +110°C |
Recommended Products for Optimal Performance
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Why Amigo NUP 211 ECM Bearings Are the Top Choice
I decided to give the Amigo NUP 211 ECM a try, and it didn’t disappoint. The bearings work just as efficiently as other top brands like SKF. They have proven to be durable under heavy loads and high speeds. Highly recommend!
Clara Devereaux
We’ve been running the Amigo NUP 211 ECM Bearings in our production line for a while now, and they feel as reliable as the SKF bearings we used before. Smooth operation, excellent load handling—truly a cost-effective alternative.
Sarah Lindholm
After using the Amigo NUP 211 ECM Bearing for a few months, I can confidently say it performs just like the SKF version I’ve used in the past. The installation was easy, and it handles high speeds with no issues. Great value for money!
Henry Colton
I recently replaced my old SKF bearings with the Amigo NUP 211 ECM Bearings, and I must say the performance has been remarkable. The quality is on par with SKF, and I noticed a smooth operation right from the start. I’m impressed!
Thomas Whitaker
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