NNAL 6/209.55 Q4/C9W33X 225x54x90 Bearing
Centrifugal Pumps Roller Bearings
The NNAL 6/206.375 Q4/W33XYA2 Centrifugal Pumps Roller Bearing is a high-performance, heavy-duty bearing engineered to meet the rigorous demands of industrial applications. Specifically designed for use in centrifugal pumps, compressors, turbines, and mining equipment, this bearing is built to handle extreme loads, high temperatures, and continuous operation with exceptional durability and reliability. Manufactured with precision and high-quality materials, the NNAL 6/206.375 Q4/W33XYA2 provides excellent stability and efficiency, making it an ideal choice for industries that require long-lasting, high-performance bearings.
Performance Overview of the NNAL 6/209.55 Q4/C9W33X Bearings
| Attribute | Metric Value |
|---|---|
| Brand | AMIGO NNAL 6/209.55 Q4/C9W33X | Interchangeable With: SKF NNAL 6/209.55 Q4/C9W33X |
| Bore Diameter | 225 mm |
| Outer Diameter | 54 mm |
| Width | 90 mm |
| Dynamic Load Rating (C) | 870,000 N |
| Static Load Rating (C0) | 1,650,000 N |
| Limiting Speed (Grease) | 2,600 RPM |
| Limiting Speed (Oil) | 3,400 RPM |
| Weight | 62 kg |
| Cage Type | Brass |
| Radial Internal Clearance | C9 |
| Precision | Standard |
| Lubrication Type | W33 (grooves and holes) |
| Heat Stabilization | Yes |
| Dimensions(mm) | 225x54x90 |
| Attribute | Metric Value |
|---|---|
| Brand | AMIGO NNAL 6/209.55 Q4/C9W33X | Interchangeable With: SKF NNAL 6/209.55 Q4/C9W33X |
| Bore Diameter | 8.25 inches |
| Outer Diameter | 11.42 inches |
| Width | 4.13 inches |
| Dynamic Load Rating (C) | 195,500 lbf |
| Static Load Rating (C0) | 371,250 lbf |
| Limiting Speed (Grease) | 2,600 RPM |
| Limiting Speed (Oil) | 3,400 RPM |
| Weight | 136.69 lbs |
| Cage Type | Brass |
| Radial Internal Clearance | C9 |
| Precision | Standard |
| Lubrication Type | W33 (grooves and holes) |
| Heat Stabilization | Yes |
| Dimensions(in) | 225x54x90 |
Specifications Overview of the NNAL 6/209.55 Q4/C9W33X Bearings
| Specification | Value |
|---|---|
| Bore Diameter (d) | 225 mm |
| Outer Diameter (D) | 54 mm |
| Width (B) | 90 mm |
| Inner Ring Width | 103 mm |
| Outer Ring Width | 103 mm |
| Dynamic Load Rating (C) | 870,000 N |
| Static Load Rating (C0) | 1,650,000 N |
| Specification | Value |
|---|---|
| Bore Diameter (d) | 8.25 inches |
| Outer Diameter (D) | 11.42 inches |
| Width (B) | 4.13 inches |
| Inner Ring Width | 4.06 inches |
| Outer Ring Width | 4.06 inches |
| Dynamic Load Rating (C) | 195,500 lbf |
| Static Load Rating (C0) | 371,250 lbf |
Applicable Machines and Industries
The NNAL 6/209.55 Q4/C9W33X Centrifugal Pumps Roller Bearings are designed for heavy-duty industrial applications requiring high load capacity, durability, and resistance to high temperatures. Here’s an overview of the machines they’re ideal for, the role they play in each, and compatible replacement brands or series.
Suitable Machines and Roles
Centrifugal Pumps
- Role: Provides stable support for the rotating shaft, reducing friction and enabling smooth operation under high loads. This stability is essential for pump efficiency and longevity, especially in industrial settings.
Compressors
- Role: Supports the rotating shaft, handling radial and axial loads while minimizing vibration. The bearing’s high load capacity and heat resistance make it ideal for compressors that run continuously and under high pressure.
Industrial Gearboxes
- Role: Helps maintain alignment and reduces friction between rotating gears. The bearing plays a critical role in enhancing gearbox efficiency and reducing wear, even under heavy load conditions.
Turbines (Power Generation)
- Role: Provides stable support for turbine shafts, allowing high-speed rotation with minimal friction. Its durability and heat resistance are crucial in managing the high thermal and mechanical stress common in power generation applications.
Mining and Excavation Equipment
- Role: Withstands the heavy loads, vibrations, and challenging conditions typical in mining. It provides stability and reduces maintenance requirements, enhancing equipment reliability.
Hydraulic Systems
- Role: Stabilizes shafts in hydraulic pumps and motors, minimizing friction and allowing precise movement. This helps maintain pressure control and ensures consistent system performance.
Brands or Series of Replaceable Bearings
SKF
- Compatible Series: Explorer Series (e.g., SKF NN 3084) – Known for durability and load capacity, suitable for high-stress applications in pumps, compressors, and turbines.
NSK
- Compatible Series: N Series (e.g., NSK NN3084MBKR) – Offers high precision and excellent thermal stability, making it ideal for gearboxes, compressors, and turbines.
FAG
- Compatible Series: X-Life Series (e.g., FAG NN3084-AS-K-M-SP) – Designed for enhanced load capacity and durability, suitable for demanding applications in power generation and hydraulic systems.
Timken
- Compatible Series: Tapered Roller Bearing Series (e.g., Timken 3084-3090) – Provides high load-bearing capacity and resistance to heat, making it suitable for mining equipment and other heavy-duty applications.
NTN
- Compatible Series: U-Series (e.g., NTN NN3084KC1NAP5) – Engineered for high thermal resistance and durability, ideal for compressors and hydraulic systems in challenging environments.
Koyo
- Compatible Series: Hi-Cap Series (e.g., Koyo NN3084K) – Known for robustness under extreme conditions, making it suitable for gearboxes, mining equipment, and other high-stress industrial applications.
NNAL 6/209.55 Q4/C9W33X Bearing Cross Reference and Interchange
| Manufacturer | Model |
|---|---|
| TIMKEN | N-2759-B |
| FAG | 10-6418 |
| AMIGO | NNAL 6/209.55 Q4/C9W33X |
| RBC | EDSJ75879 |
| American | AD4845D |
The NNAL 6/209.55 Q4/C9W33X bearing can be replaced with similar models from other brands, offering compatibility in terms of dimensions and performance.
Choosing the Right Bearing
This module includes a comparison table featuring the AMIGO NNAL 6/209.55 Q4/C9W33X and similar models from other brands, along with guidance on when to choose this bearing and its unique advantages.
When to Choose AMIGO NNAL 6/209.55 Q4/C9W33X Bearings
The AMIGO NNAL 6/209.55 Q4/C9W33X bearing is ideal for users who need a reliable, durable, and cost-effective solution for heavy-load and high-temperature applications. Here’s when this bearing is the best choice:
Heavy-Load Applications: With a dynamic load rating of 2,090,000 N and a static load rating of 1,620,000 N, this bearing is suitable for machinery that operates under extreme radial and axial loads, such as centrifugal pumps, compressors, and mining equipment.
High-Temperature Environments: The AMIGO bearing is heat-stabilized up to 120°C, which outperforms many competitors that are limited to 100-110°C. This makes it suitable for applications in power generation, chemical processing, and other environments with high temperature demands.
Applications Requiring Efficient Lubrication: The W33 lubrication grooves and holes ensure consistent and efficient lubrication distribution, reducing friction and extending the bearing’s operational life. This feature is especially beneficial for high-speed, continuous-operation machinery.
Advantages of AMIGO NNAL 6/209.55 Q4/C9W33X Bearings Over Competitors
Higher Temperature Resistance: The AMIGO bearing can withstand temperatures up to 120°C, making it suitable for applications where other models might fall short due to lower temperature thresholds.
Superior Lubrication Design: With W33 grooves and holes, the AMIGO bearing ensures optimal lubrication, reducing wear and extending the life of the bearing. This feature is critical for applications requiring consistent lubrication, such as compressors and turbines.
| Feature | AMIGO NNAL 6/209.55 Q4/C9W33X | TIMKEN N-2759-B | FAG 10-6418 | RBC EDSJ75879 | American AD4845D |
|---|---|---|---|---|---|
| Outside Diameter (D) | 225 mm | 225 mm | 226 mm | 225 mm | 225 mm |
| Dynamic Load Rating (Cr) | 2,090,000 N | 2,050,000 N | 2,080,000 N | 2,000,000 N | 2,040,000 N |
| Static Load Rating (C0) | 1,620,000 N | 1,600,000 N | 1,610,000 N | 1,590,000 N | 1,600,000 N |
| Fatigue Load Limit (Cur) | 9,100 N | 8,900 N | 9,000 N | 8,850 N | 8,900 N |
| Cage Type | Brass | Steel | Brass | Steel | Brass |
| Lubrication Type | W33 (grooves and holes) | Standard | W33 (grooves only) | Standard | Standard |
| Precision Level | Standard | High Precision | Standard | Standard | Standard |
| Price | Competitive | Higher | Higher | Competitive | Competitive |
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Why Amigo NNAL 6/209.55 Q4/C9W33X Bearings Are the Top Choice
"We recently switched to the AMIGO NNAL 6/209.55 Q4/C9W33X bearings for our centrifugal pumps, and the performance has been outstanding. These bearings feel just as robust as the SKF bearings we used previously, handling high loads and maintaining smooth operation without issues. The W33 lubrication feature is excellent, keeping everything running efficiently under continuous use. AMIGO provides the same reliability as the big brands at a much more reasonable price. Highly recommended!"
Michael J.
"We've been using AMIGO NNAL 6/209.55 Q4/C9W33X bearings in our mining equipment, and they’ve performed impressively, especially compared to our experience with Timken bearings. The load capacity and heat resistance have been essential for our high-stress applications, and these bearings have proven they can handle the job. We needed a cost-effective alternative without compromising quality, and AMIGO delivered. Great value for anyone needing dependable bearings!"
Sarah T.
"I was initially hesitant to switch from FAG bearings, but the AMIGO NNAL 6/209.55 Q4/C9W33X has exceeded my expectations. These bearings have been running smoothly in our compressors, even under heavy loads, and they feel just as durable as the FAG models. The brass cage provides excellent stability, and the W33 lubrication grooves are perfect for our high-speed applications. AMIGO offers a fantastic alternative with no compromise on quality. I’d recommend these bearings to anyone."
Thomas H.
"We’ve been using AMIGO NNAL 6/209.55 Q4/C9W33X bearings in our turbines, and I have to say they’re just as reliable as the SKF bearings we used before. The high load ratings and temperature stability have been essential for our applications. AMIGO’s pricing is much more competitive, which was a big factor for us, but the quality has not been compromised at all. I’m very impressed with these bearings and will definitely consider AMIGO for future replacements."
Emily K.
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