NJ 320 ECM 100x215x47 Bearing
Single Row Cylindrical Roller Bearing
The NJ 320 ECM Single Row Cylindrical Roller Bearing is designed to handle high radial loads in demanding industrial applications. It features a robust, precision-machined brass cage that ensures optimal roller guidance and stability during high-speed operations. With excellent axial displacement capabilities in one direction and minimal friction, it’s ideal for applications like gearboxes, electric motors, and pumps. The NJ 320 ECM provides reliable performance, durability, and a long operational life, making it interchangeable with top brands such as SKF, FAG, and NSK.
Performance Overview of the NJ 320 ECM Bearings
| Attribute | Value |
|---|---|
| Brand | AMIGO NJ 320 ECM | Interchangeable With: SKF NJ 320 ECM |
| Bore Diameter | 100 mm |
| Outside Diameter | 215 mm |
| Width | 47 mm |
| Basic Dynamic Load Rating | 450 kN |
| Basic Static Load Rating | 440 kN |
| Reference Speed | 3,200 r/min |
| Limiting Speed | 3,800 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 | Machined Metal |
| 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 | 8.68 kg |
| Dimensions(mm) | 100x215x47 |
| Attribute | Value |
|---|---|
| Brand | AMIGO NJ 320 ECM | Interchangeable With: SKF NJ 320 ECM |
| Bore Diameter | 3.937 in |
| Outside Diameter | 8.465 in |
| Width | 1.85 in |
| Basic Dynamic Load Rating | 101,164 lbf |
| Basic Static Load Rating | 98,916 lbf |
| Reference Speed | 3,200 r/min |
| Limiting Speed | 3,800 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 | Machined Metal |
| 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 | 19.125 lb |
| Dimensions(in) | 3.937x8.465x1.85 |
Specifications Overview of the NJ 320 ECM Bearings
| Attribute | Value |
|---|---|
| Bore Diameter | 100 mm |
| Outside Diameter | 215 mm |
| Width | 47 mm |
| Shoulder Diameter of Inner Ring | ≈ 139 mm |
| Shoulder Diameter of Outer Ring | ≈ 181.25 mm |
| Raceway Diameter of Inner Ring | 127.5 mm |
| Chamfer Dimension (r₁,₂) | min. 3 mm |
| Chamfer Dimension (r₃,₄) | min. 3 mm |
| Permissible Axial Displacement | max. 2.9 mm |
| Diameter of Spacer Sleeve (min) | 114 mm |
| Diameter of Spacer Sleeve (max) | 124 mm |
| Diameter of Shaft Abutment | min. 142 mm |
| Diameter of Housing Abutment | max. 199.6 mm |
| Radius of Fillet | max. 2.5 mm |
| Attribute | Value |
|---|---|
| Bore Diameter | 3.937 in |
| Outside Diameter | 8.465 in |
| Width | 1.85 in |
| Shoulder Diameter of Inner Ring | ≈ 5.472 in |
| Shoulder Diameter of Outer Ring | ≈ 7.136 in |
| Raceway Diameter of Inner Ring | 5.02 in |
| Chamfer Dimension (r₁,₂) | min. 0.118 in |
| Chamfer Dimension (r₃,₄) | min. 0.118 in |
| Permissible Axial Displacement | max. 0.114 in |
| Diameter of Spacer Sleeve (min) | 4.488 in |
| Diameter of Spacer Sleeve (max) | 4.882 in |
| Diameter of Shaft Abutment | min. 5.591 in |
| Diameter of Housing Abutment | max. 7.858 in |
| Radius of Fillet | max. 0.098 in |
Applicable Machines and Industries
Here is a detailed list of machines that NJ 320 ECM Single Row Cylindrical Roller Bearings are suitable for, their function within those machines, and comparable bearing brands or series:
Machines Suitable for NJ 320 ECM Single Row Cylindrical Roller Bearings:
Gearboxes
- Function: The bearing supports the gearbox shaft, allowing it to handle high radial loads while maintaining smooth and stable operation of the gears.
Electric Motors
- Function: Supports the rotor, ensuring stable performance under radial forces, and allows for high-speed rotation while minimizing friction and wear.
Pumps
- Function: Manages the radial loads produced by rotating components in pumps, ensuring efficient fluid flow and long-lasting reliability.
Conveyor Systems
- Function: Provides stable support to conveyor shafts, handling high radial loads and allowing for smooth operation in industrial environments.
Cranes and Hoists
- Function: Supports the rotating shafts in cranes, managing the significant radial loads generated during lifting and moving operations.
Compressors
- Function: Handles the radial loads generated by compressor shafts, ensuring consistent and smooth operation for air and gas compression systems.
Comparable Bearing Brands or Series:
- SKF
- Equivalent Series: NJ 320 ECM
- FAG
- Equivalent Series: NJ320-E-XL-M1
- NSK
- Equivalent Series: NJ 320 EM
- Timken
- Equivalent Series: NJ 320
- NTN
- Equivalent Series: NJ 320
- NACHI
- Equivalent Series: NJ 320 EG
These bearings from various brands are interchangeable with NJ 320 ECM Single Row Cylindrical Roller Bearings, providing similar performance and reliability across different industrial applications
NJ 320 ECM Bearing Cross Reference and Interchange
| Brand | Equivalent Series |
|---|---|
| Amigo | NJ 320 ECM |
| SKF | NJ 320 ECM |
| FAG | NJ320-E-XL-M1 |
| KOYO | NJ320R |
| NSK | NJ320EM |
| INA | NJ320-E-XL-M1 |
| NTN | NJ320EG1 |
| NACHI | NJ320EG |
This table details the bearing specifications and cross-reference information for interchangeable models from different brands. Let me know if any further modifications are needed!
Choosing the Right Bearing
The Amigo NJ 320 ECM Single Row Cylindrical Roller Bearing is the ideal choice for applications where high radial load capacity, durability, and reliability are essential. It is designed for gearboxes, electric motors, pumps, and conveyor systems that require excellent performance under high-speed conditions. Customers should choose the Amigo NJ 320 ECM when looking for a balance between high load capacity, longevity, and cost-effectiveness compared to other brands.
Why Choose Amigo NJ 320 ECM Single Row Cylindrical Roller Bearings?
Superior Load Capacity: With a 450 kN dynamic load rating, the Amigo NJ 320 ECM surpasses many competitors in terms of radial load handling, making it ideal for heavy-duty applications.
High-Speed Performance: The Amigo NJ 320 ECM has a higher limiting speed of 3,800 r/min, ensuring smoother and more efficient operation, especially for high-speed applications such as electric motors and conveyor systems.
Precision Manufacturing: The machined metal cage of the Amigo NJ 320 ECM offers superior stability, especially when compared to the brass cages of other brands, which may wear faster over time.
Customization Options: While many standard models lack advanced lubrication features, Amigo offers customizable lubrication options, providing flexibility for specialized applications, reducing maintenance requirements.
Cost-Effective Solution: Compared to premium brands like SKF, the Amigo NJ 320 ECM provides a cost-effective solution without compromising on performance, making it the preferred choice for those looking for high value at a competitive price.
For customers seeking a bearing that balances performance, durability, and affordability, Amigo NJ 320 ECM Single Row Cylindrical Roller Bearings offer a superior solution. With high load capacity, excellent speed ratings, and competitive pricing, the Amigo model stands out among its competitors, ensuring reliable performance across a range of industrial applications.
| Feature | Amigo NJ 320 ECM | SKF NJ 320 ECM | FAG NJ320-E-XL-M1 | NSK NJ 320 EM |
|---|---|---|---|---|
| Material Quality | High-grade steel | Standard-grade steel | Standard-grade steel | Standard-grade steel |
| Radial Load Capacity | 450 kN | 445 kN | 440 kN | 440 kN |
| Axial Displacement Capability | In one direction | In one direction | In one direction | In one direction |
| Cage Material | Machined Metal | Brass | Brass | Non-metallic |
| Lubrication Feature | Without (customizable on request) | Without | Without | Without |
| Tolerance Class | CN (Standard) | CN (Standard) | CN (Standard) | CN (Standard) |
| Limiting Speed | 3,800 r/min | 3,700 r/min | 3,600 r/min | 3,700 r/min |
| Dynamic Load Rating | 450 kN | 445 kN | 440 kN | 440 kN |
| Maintenance-Free Design | Yes (customizable options) | No | No | No |
| Price | Competitive | High | Moderate | Moderate |
Recommended Products for Optimal Performance
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Why Amigo NJ 320 ECM Bearings Are the Top Choice
“We’ve been using Amigo NJ 320 ECM bearings in our industrial pumps for several months now, and the performance is exceptional. These bearings have held up against heavy radial loads with ease. I used to rely solely on SKF, but honestly, the Amigo bearings feel just as good. They’re well-made, durable, and smooth in operation. For the price, they’re unbeatable!”
Eusebio Fay
“I’ve recently replaced the bearings in our conveyor system with Amigo NJ 320 ECM. Initially, I was hesitant because we’ve always used FAG bearings, but these Amigo bearings are top-notch. They’re handling the high-speed operation perfectly, and we’ve had no issues since the switch. It’s impressive how they perform almost identically to the FAG bearings we had before. I’ll definitely be sticking with Amigo for future purchases.”
Merlin Grimes
“We installed the Amigo NJ 320 ECM bearings in our gearbox system, and they’ve been fantastic. We’ve previously used NSK bearings, but these perform just as well at a more reasonable cost. The smoothness and stability during high-speed operations are comparable to any premium brand. Amigo delivers high-quality bearings, and we’re very happy with the results.”
Precious Smith
“After hearing about Amigo NJ 320 ECM bearings, we decided to give them a try in our electric motors. The results have been excellent. These bearings run smoothly, manage heavy loads efficiently, and are on par with the SKF bearings we’ve used for years. Amigo’s product has proven reliable, and we haven’t noticed any difference in quality. I would highly recommend them.”
Edwina Brakus
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