NN3024K 120x165x46 Bearing
Double Row Cylindrical Roller Bearings
The NN3024K Double Row Cylindrical Roller Bearing is a high-performance bearing designed to meet the demands of modern industrial applications. Known for its robust construction and precision, the NN3024K is engineered to handle heavy radial loads and operate at high speeds, making it a preferred choice in various sectors such as machine tools, heavy machinery, and precision instruments.
Performance Overview of the NN3024K Bearings
| Parameter | Value |
|---|---|
| Brand | AMIGO NN3024K | Interchangeable With: SKF NN3024K |
| Bore diameter | 120 mm |
| Outside diameter | 180 mm |
| Width | 46 mm |
| Basic dynamic load rating | 229 kN |
| Basic static load rating | 390 kN |
| Attainable speed for grease lubrication | 4,800 r/min |
| Attainable speed for oil-air lubrication | 5,300 r/min |
| Bearing part | Complete bearing |
| Number of rows | 2 |
| Bore type | Tapered 1:12 |
| Cage | Non-metallic |
| Design | NN |
| Number of flanges, outer ring | 0 |
| Number of flanges, inner ring | 3 |
| Loose flange | None |
| Radial internal clearance | C1 |
| Tolerance class | Class SP (SP) |
| Material, bearing | Bearing steel |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Annular groove and lubrication holes |
| Product net weight | 3.67 kg |
| Dimensions(mm) | 120x165x46 |
| Parameter | Value |
|---|---|
| Brand | AMIGO NN3024K | Interchangeable With: SKF NN3024K |
| Bore diameter | 4.724 in |
| Outside diameter | 7.087 in |
| Width | 1.811 in |
| Basic dynamic load rating | 51,481 lbf |
| Basic static load rating | 87,675 lbf |
| Attainable speed for grease lubrication | 4,800 r/min |
| Attainable speed for oil-air lubrication | 5,300 r/min |
| Bearing part | Complete bearing |
| Number of rows | 2 |
| Bore type | Tapered 1:12 |
| Cage | Non-metallic |
| Design | NN |
| Number of flanges, outer ring | 0 |
| Number of flanges, inner ring | 3 |
| Loose flange | None |
| Radial internal clearance | C1 |
| Tolerance class | Class SP (SP) |
| Material, bearing | Bearing steel |
| Coating | Without |
| Sealing | Without |
| Lubricant | None |
| Relubrication feature | Annular groove and lubrication holes |
| Product net weight | 8.091 lb |
| Dimensions(mm) | 120x165x46 |
Specifications Overview of the NN3024K Bearings
| Parameter | Value |
|---|---|
| Bore diameter | 120 mm |
| Outside diameter | 180 mm |
| Width | 46 mm |
| Shoulder diameter inner ring (NN design) | 142.6 mm |
| Raceway diameter outer ring (NN design) | 165 mm |
| Width annular lubrication groove at outer ring | 5.5 mm |
| Diameter lubrication hole (outer ring) | 3 mm |
| Chamfer dimension outer ring | min. 2 mm |
| Chamfer dimension inner ring (bearing with tapered bore) | min. 1.1 mm |
| Permissible axial displacement from the normal position of one bearing ring relative to the other (all) | max. 3 mm |
| Abutment diameter shaft | min. 130 mm |
| Abutment diameter housing | min. 167 mm |
| Abutment diameter housing | max. 170 mm |
| Fillet radius | max. 2 mm |
| Oil nozzle position (not for variants with TNHA cage) | 162.7 mm |
| Parameter | Value |
|---|---|
| Bore diameter | 4.724 in |
| Outside diameter | 7.087 in |
| Width | 1.811 in |
| Shoulder diameter inner ring (NN design) | 5.614 in |
| Raceway diameter outer ring (NN design) | 6.496 in |
| Width annular lubrication groove at outer ring | 0.217 in |
| Diameter lubrication hole (outer ring) | 0.118 in |
| Chamfer dimension outer ring | min. 0.079 in |
| Chamfer dimension inner ring (bearing with tapered bore) | min. 0.043 in |
| Permissible axial displacement from the normal position of one bearing ring relative to the other (all) | max. 0.118 in |
| Abutment diameter shaft | min. 5.118 in |
| Abutment diameter housing | min. 6.575 in |
| Abutment diameter housing | max. 6.693 in |
| Fillet radius | max. 0.079 in |
| Oil nozzle position (not for variants with TNHA cage) | 6.406 in |
Applicable Machines and Industries
The NN3024K Double Row Cylindrical Roller Bearing is a high-performance bearing commonly used in various industrial applications that require high load capacity, precision, and rigidity. Below is a list of machines where the NN3024K bearing is typically used, the role it plays in these machines, and the common brands associated with each type of machine.
1. Machine Tools (Lathes, Milling Machines, Grinding Machines)
Role: In machine tools, the NN3024K bearing is used in the spindle assembly to support the spindle’s rotation. It provides the necessary rigidity and precision to maintain accurate machining operations, reducing vibration and ensuring high-quality finishes.
Common Brands:DMG Mori、Haas Automation、Makino、Okuma、Mazak
2. Heavy Machinery (Cranes, Excavators, Mining Equipment)
Role: In heavy machinery, the NN3024K bearing supports key components such as gearboxes and transmission shafts. Its ability to handle substantial radial loads makes it essential for ensuring the smooth and reliable operation of heavy-duty equipment.
Common Brands:Caterpillar、Komatsu、Liebherr、Volvo Construction Equipment、Hitachi Construction Machinery
3. Industrial Gearboxes
Role: The NN3024K bearing is used in industrial gearboxes to support the rotating shafts and gears. It provides the necessary load-bearing capacity and precision to maintain efficient power transmission, reducing wear and extending the gearbox’s life.
Common Brands:SEW-Eurodrive、Flender (Siemens)、Bonfiglioli、Nord Drivesystems、Sumitomo Drive Technologies
4. Printing Machines
Role: In printing machines, the NN3024K bearing is used to support the rotation of printing cylinders. Its high precision and rigidity help maintain consistent print quality, especially in high-speed operations.
Common Brands:Heidelberg、Komori、Manroland、Canon (for high-speed printers)、Koenig & Bauer
5. Textile Machinery
Role: The NN3024K bearing is used in textile machinery to support rollers and other rotating parts. It ensures smooth and stable operation, which is critical for maintaining the consistency and quality of textile production.
Common Brands:Rieter、Toyota Industries、Saurer、Picanol、Trützschler
6. Rolling Mills
Role: In rolling mills, the NN3024K bearing supports the roll necks, ensuring the precise and stable rotation of rolls. This is essential for maintaining the accuracy and quality of the rolling process, particularly in metalworking and steel production.
Common Brands:Danieli、SMS Group、Primetals Technologies、Voestalpine、Fives Group
NN3024K Bearing Cross Reference and Interchange
| Manufacturer | Bearing Model |
|---|---|
| Amigo | NN3024K |
| SKF | NN3024KTN9/SP |
| FAG | NN3024-AS-KM-SP |
| NSK | NN3024K |
| KOYO | NN3024K |
| NTN | NN3024K |
Above is a cross reference and interchange guide for NN3024K bearings, allowing users to find equivalent bearings from other leading manufacturers.
Choosing the Right Bearing
This module provides a detailed comparison between the Amigo NN3024K bearing and other similar models from leading manufacturers. The table below highlights the key differences and benefits
When to Choose Amigo NN3024K Bearings
1. High-Load Applications
- The Amigo NN3024K is ideal for applications requiring the bearing to handle substantial radial loads. With its superior dynamic and static load ratings, this bearing ensures reliable performance in heavy-duty operations such as in industrial gearboxes, machine tools, and heavy machinery.
2. Precision-Required Environments
- The NN3024K bearing’s ISO Class 0 precision makes it an excellent choice for applications where high accuracy is essential, such as in spindles of machine tools and precision instruments. Its rigidity and low vibration operation are critical for maintaining high precision.
3. High-Speed Operations
- The Amigo NN3024K stands out with its high limiting speeds for both oil (3,900 RPM) and grease (3,300 RPM) lubrication, making it suitable for high-speed applications like spindles in lathes, milling machines, and industrial machinery.
4. Cost-Effective Solution
- Compared to other premium brands like SKF and FAG, the Amigo NN3024K offers a more competitive price point while delivering comparable or superior performance. This makes it a cost-effective solution for budget-conscious buyers who do not want to compromise on quality.
5. Customization and Availability
- Unlike many other brands, Amigo offers customization options for the NN3024K bearing to meet specific application requirements. Additionally, the Amigo NN3024K is readily available, ensuring quick delivery and minimal downtime for your operations.
| Feature | Amigo NN3024K | SKF NN3024KTN9/SP | FAG NN3024-AS-KM-SP | NSK NN3024K | KOYO NN3024K | NTN NN3024K |
|---|---|---|---|---|---|---|
| Material Quality | Hardened Alloy Steel | Premium Bearing Steel | High-Quality Bearing Steel | High-Grade Bearing Steel | High-Grade Bearing Steel | High-Grade Bearing Steel |
| Cage Material | High Strength Machined Brass | Steel Cage | Machined Brass | Machined Brass | Machined Brass | Machined Brass |
| Dynamic Load Rating (C) | 233.00 kN | 230.00 kN | 230.00 kN | 230.00 kN | 230.00 kN | 230.00 kN |
| Limiting Speed (Oil) | 3,900 RPM | 3,800 RPM | 3,800 RPM | 3,800 RPM | 3,800 RPM | 3,800 RPM |
| Limiting Speed (Grease) | 3,300 RPM | 3,200 RPM | 3,200 RPM | 3,200 RPM | 3,200 RPM | 3,200 RPM |
| Precision | ISO Class 0 | ISO Class 0 | ISO Class 0 | ISO Class 0 | ISO Class 0 | ISO Class 0 |
| Price | Competitive | Higher | Higher | Moderate | Moderate | Moderate |
| Warranty | Extended | Standard | Standard | Standard | Standard | Standard |
| Custom Features Available | Yes | No | No | No | No | No |
| Availability | In Stock | Limited Availability | Limited Availability | In Stock | In Stock | In Stock |
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Why Amigo NN3024K Bearings Are the Top Choice
"I recently replaced the bearings in our CNC milling machines with Amigo NN3024K bearings, and I have to say, I'm extremely impressed. The performance and build quality are right up there with SKF bearings, which we've used for years. The Amigo bearings are smooth, reliable, and handle the high loads in our machinery effortlessly. We've seen no drop in performance, and the cost savings are a huge bonus. I highly recommend Amigo for anyone looking for a high-quality bearing at a better price."
Meggie Littel
"After using FAG and SKF bearings in our industrial gearboxes for a long time, we decided to try the Amigo NN3024K bearings based on a colleague's recommendation. The transition was seamless, and the Amigo bearings have performed just as well as the more expensive brands. They provide the same level of precision and durability, even under heavy loads and high-speed conditions. The fact that they feel very similar to SKF but at a more affordable price point makes them an excellent choice for our operations."
Ellis Fahey
"We’ve been running the Amigo NN3024K bearings in our rolling mills for several months now, and I can confidently say they are just as good as the NSK bearings we used previously. The bearings have handled the extreme pressures and temperatures without any issues. They run smoothly, and we haven't noticed any difference in performance compared to the NSK models. These bearings are a great find—high quality, reliable, and cost-effective."
Aniya Leuschke
"As a maintenance engineer, I've had extensive experience with SKF, FAG, and NSK bearings. Recently, we switched to the Amigo NN3024K bearings for our precision lathes, and the results have been fantastic. The bearings feel very similar to the SKF ones in terms of smoothness and load-handling capacity. What really impressed me is the consistency in performance despite the demanding conditions. The Amigo NN3024K offers an exceptional balance of quality and value, making it a great alternative to the more expensive brands."
Velda Keeling
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