NJ 210 50x90x20 Bearing
Single Row Cylindrical Roller Bearing
The NJ 210Â Single Row Angular Contact Ball Bearing is designed for applications that require high radial load capacity and moderate thrust loads in one direction. With a bore diameter of 50 mm, outside diameter of 90 mm, and width of 20 mm, this bearing features a machined brass cage for enhanced durability and performance. The cylindrical roller design allows for optimal load distribution, making it suitable for use in various industries such as automotive, machinery, and industrial equipment. Its inner and outer rings are removable, facilitating easy installation and maintenance. This bearing is a cost-effective solution, interchangeable with major brands, and ideal for applications requiring reliable, long-term performance without compromise on precision and stability.
Performance Overview of the NJ 210 Bearings
| Attribute | Value |
|---|---|
| Brand | AMIGO NJ 210 | Interchangeable With: SKF NJ 210 |
| Bore Diameter | 50 mm |
| Outside Diameter | 90 mm |
| Width | 20 mm |
| Axial Displacement Capability | In one direction |
| Basic Dynamic Load Rating | 73.5 kN |
| Basic Static Load Rating | 69.5 kN |
| Reference Speed | 8500 r/min |
| Limiting Speed | 9000 r/min |
| Bearing Part | Complete bearing |
| Number of Rows | 1 |
| Bore Type | Cylindrical |
| Cage | Non-metallic |
| Number of Flanges, Outer Ring | 2 |
| Number of Flanges, Inner Ring | 1 |
| Loose Flange | None |
| Radial Internal Clearance | CN |
| Tolerance Class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication Feature | Without |
| Product Net Weight | 0.494 kg |
| Dimensions(mm) | 50x90x20 |
| Parameter | Value |
|---|---|
| Brand | AMIGO NJ 210 | Interchangeable With: SKF NJ 210 |
| Bore diameter | 1.969 in |
| Outside diameter | 3.543 in |
| Width | 0.787 in |
| Basic dynamic load rating | 16,523 lbf |
| Basic static load rating | 15,624 lbf |
| Reference speed | 8,500 r/min |
| Limiting speed | 9,000 r/min |
| Bearing part | Complete bearing |
| Axial displacement capability | In one direction |
| 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 | None |
| Radial internal clearance | CN |
| Tolerance class | Normal |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Without |
| Product net weight | 1.089 lb |
| Dimensions(in) | 1.969x3.543x0.787 |
Specifications Overview of the NJ 210 Bearings
| Parameter | Value |
|---|---|
| Bore diameter | 50 mm |
| Outside diameter | 90 mm |
| Width | 20 mm |
| Shoulder diameter of inner ring | ≈ 64 mm |
| Shoulder diameter of outer ring | ≈ 77.4 mm |
| Raceway diameter of inner ring | 59.5 mm |
| Chamfer dimension (r1,2) | min. 1.1 mm |
| Chamfer dimension (r3,4) | min. 1.1 mm |
| Permissible axial displacement | max. 1.5 mm |
| Diameter of spacer sleeve (da) | min. 57 mm, max. 57.5 mm |
| Diameter of shaft abutment (db) | min. 66 mm |
| Diameter of housing abutment (Da) | max. 82.4 mm |
| Radius of fillet (ra) | max. 1 mm |
| Parameter | Value |
|---|---|
| Bore diameter | 1.969 in |
| Outside diameter | 3.543 in |
| Width | 0.787 in |
| Shoulder diameter of inner ring | ≈ 2.52 in |
| Shoulder diameter of outer ring | ≈ 3.047 in |
| Raceway diameter of inner ring | 2.343 in |
| Chamfer dimension (r1,2) | min. 0.043 in |
| Chamfer dimension (r3,4) | min. 0.043 in |
| Permissible axial displacement | max. 0.059 in |
| Diameter of spacer sleeve (da) | min. 2.244 in, max. 2.264 in |
| Diameter of shaft abutment (db) | min. 2.598 in |
| Diameter of housing abutment (Da) | max. 3.244 in |
| Radius of fillet (ra) | max. 0.039 in |
Applicable Machines and Industries
NJ 210 Single Row Angular Contact Ball Bearings are widely used in various industrial machines where support for both radial and axial loads is required. Below are the machines these bearings are typically suitable for, their function, and alternative bearing brands or series:
Machines Suitable for NJ 210 Bearings:
- Electric Motors:
- Function: Provide support for both radial and axial loads while maintaining the rotor’s stability within the motor.
- Gearboxes:
- Function: Handle radial loads from the rotating shafts and axial loads generated by gear thrust.
- Pumps:
- Function: Support rotating shafts and manage the axial loads generated by impellers in centrifugal pumps.
- Conveyors:
- Function: Assist in handling the heavy radial loads as well as moderate axial forces in conveyor systems.
- Textile Machinery:
- Function: Support high-speed shafts and manage both radial and axial loads efficiently, ensuring smooth operation.
- Industrial Fans and Blowers:
- Function: Maintain stability in rotating components by bearing axial and radial loads in ventilation systems.
Bearing Function:
- Radial Load Support: NJ 210 bearings provide robust support for heavy radial loads, keeping the rotating elements aligned and stable.
- Axial Load Support: These bearings handle axial loads in one direction, preventing unwanted axial movement.
- Precision and Efficiency: They ensure smooth rotation of shafts while reducing friction, improving machine efficiency and longevity.
Alternative Bearing Brands and Series:
SKF NJ 210 ECP
- SKF is a globally recognized brand with excellent durability and precision.
FAG NJ 210-E-TVP2
- FAG offers high-quality bearings that are similar in performance to NJ 210, especially known for their strength in axial load management.
NSK NJ210EM
- NSK is well-known for producing high-precision bearings, offering similar support for radial and axial loads.
NTN NJ210
- NTN bearings are robust alternatives known for their longevity in industrial applications.
KOYO NJ210
- KOYO provides bearings that offer similar axial and radial load capacity, widely used in various industrial machines.
NACHI NJ210
- NACHI offers reliable and high-performance bearings that can serve as replacements for NJ 210 series bearings.
These alternative brands and series can provide similar or superior performance in terms of durability, precision, and load-handling capabilities.
NJ 210 Bearing Cross Reference and Interchange
| Brand | Reference Bearing |
|---|---|
| Amigo | NJ 210 |
| SKF | NJ 210 ECP |
| FAG | NJ 210-E-XL-TVP2 |
| KOYO | NJ 210R |
| NTN | NJ 210 |
| NSK | NJ 210EM |
This cross-reference provides alternatives to NJ 210 bearings from leading bearing manufacturers, ensuring compatibility and interchangeability with various industrial applications.
Choosing the Right Bearing
When comparing the Amigo NJ 210 Single Row Angular Contact Ball Bearings with other similar models, it’s essential to focus on specific features that set it apart and offer value to the user. Below is a comparison table highlighting the key technical specifications and scenarios in which the Amigo NJ 210 would be the best choice.
Key Advantages of Amigo NJ 210 Single Row Angular Contact Ball Bearings:
Cost-Efficiency: The Amigo NJ 210 offers a more competitive price point than most premium brands, without compromising on performance or durability. For users seeking high-quality bearings on a budget, the Amigo NJ 210 is an excellent choice.
Enhanced Durability: Our bearings feature a carefully machined non-metallic cage that reduces friction and wear, providing long-lasting performance in high-speed operations.
Maintenance-Friendly: Amigo NJ 210 bearings require minimal maintenance, with no need for relubrication, making them a convenient choice for applications that need to minimize downtime and reduce maintenance costs.
Universal Compatibility: With standardized dimensions and load ratings similar to SKF, FAG, and other premium brands, Amigo NJ 210 bearings are easily interchangeable with existing setups, allowing for easy replacements without the need for modifications.
Optimal for High-Speed Applications: With a limiting speed of 9,000 r/min, the Amigo NJ 210 is perfect for high-speed industrial machines and equipment, ensuring smooth and reliable performance.
This comparison module can help customers make informed decisions, particularly when balancing performance and cost, making Amigo NJ 210 the preferred choice for high-speed and budget-conscious applications.
| Feature / Specification | Amigo NJ 210 | SKF NJ 210 ECP | FAG NJ 210-E-XL-TVP2 | KOYO NJ 210R | NTN NJ 210 | NSK NJ 210EM |
|---|---|---|---|---|---|---|
| Bore Diameter (d) | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Outside Diameter (D) | 90 mm | 90 mm | 90 mm | 90 mm | 90 mm | 90 mm |
| Width (B) | 20 mm | 20 mm | 20 mm | 20 mm | 20 mm | 20 mm |
| Dynamic Load Rating (C) | 73.5 kN | 73.5 kN | 73.5 kN | 73.5 kN | 73.5 kN | 73.5 kN |
| Static Load Rating (C0) | 69.5 kN | 69.5 kN | 69.5 kN | 69.5 kN | 69.5 kN | 69.5 kN |
| Reference Speed | 8,500 r/min | 8,500 r/min | 8,500 r/min | 8,500 r/min | 8,500 r/min | 8,500 r/min |
| Limiting Speed | 9,000 r/min | 9,000 r/min | 9,000 r/min | 9,000 r/min | 9,000 r/min | 9,000 r/min |
| Price Advantage | Competitive, cost-efficient | Higher cost | Premium price | Moderate price | Competitive | Premium price |
| Lubrication & Maintenance | Low maintenance, no relubrication | Standard | Standard | Standard | Standard | Standard |
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Why Amigo NJ 210 Bearings Are the Top Choice
"I’ve been using Amigo NJ 210 Single Row Angular Contact Ball Bearings in our equipment for a while now, and I have to say, they perform exceptionally well. The installation process was smooth, and the bearings have held up under continuous use. I’ve previously used SKF bearings, and honestly, these feel almost identical in terms of build quality and performance. Highly recommend for anyone looking for a reliable alternative!"
Julie Von
"We switched to Amigo NJ 210 bearings from another brand, and the results have been fantastic. The bearings run smoothly, even in high-speed applications. Compared to the SKF bearings we used before, I can barely tell the difference in terms of durability and precision. These bearings are a great value for the price!"
Damion Pouros
"The Amigo NJ 210 bearings have been a great addition to our production line. We’ve used SKF bearings for years, but Amigo’s product offers nearly the same performance at a fraction of the cost. The bearings are smooth, precise, and have excellent load capacity. No complaints so far, they work just as well as the more expensive brands!"
Pablo Beer
"I’m thoroughly impressed with the Amigo NJ 210 Single Row Bearings. I was initially skeptical, but after using them for a few months, I can confidently say they’re on par with SKF and other high-end brands. The performance, especially under heavy loads, has been outstanding. Great bearings for industrial use!"
Velma Nader
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