NNAL 6/206.375 Q4/W33XYA2 206.25×285.75×222.25 Bearing
Centrifugal Pumps Roller Bearings
The NNAL 6/206.375 Q4/W33XYA2 Centrifugal Pumps Roller Bearing is a premium, heavy-duty bearing designed for use in high-stress industrial applications. Specifically engineered for centrifugal pumps, compressors, turbines, and other demanding machinery, this bearing is built to handle extreme loads and high temperatures with exceptional durability and stability. Manufactured to exacting standards, the NNAL 6/206.375 Q4/W33XYA2 is an ideal choice for industries where reliability, long operational life, and minimal maintenance are critical.
Performance Overview of the NNAL 6/206.375 Q4/W33XYA2 Bearings
| Attribute | Metric Value |
|---|---|
| Brand | AMIGO NNAL 6/206.375 Q4/W33XYA2 | Interchangeable With: SKF NNAL 6/206.375 Q4/W33XYA2 |
| Bore Diameter | 206.25 mm |
| Outer Diameter | 285.75 mm |
| Width | 222.25 mm |
| Dynamic Load Rating (C) | 850,000 N |
| Static Load Rating (C0) | 1,600,000 N |
| Limiting Speed (Grease) | 2,500 RPM |
| Limiting Speed (Oil) | 3,200 RPM |
| Weight | 60 kg |
| Cage Type | Steel |
| Radial Internal Clearance | Standard |
| Precision | Standard |
| Lubrication Type | W33 (grooves and holes) |
| Heat Stabilization | Yes |
| Dimensions(mm) | 206.25x285.75x222.25 |
| Attribute | Metric Value |
|---|---|
| Brand | AMIGO NNAL 6/206.375 Q4/W33XYA2 | Interchangeable With: SKF NNAL 6/206.375 Q4/W33XYA2 |
| Bore Diameter | 8.125 inches |
| Outer Diameter | 12.2 inches |
| Width | 3.94 inches |
| Dynamic Load Rating (C) | 191,100 lbf |
| Static Load Rating (C0) | 359,700 lbf |
| Limiting Speed (Grease) | 2,500 RPM |
| Limiting Speed (Oil) | 3,200 RPM |
| Weight | 132.28 lbs |
| Cage Type | Steel |
| Radial Internal Clearance | Standard |
| Precision | Standard |
| Lubrication Type | W33 (grooves and holes) |
| Heat Stabilization | Yes |
| Dimensions(in) | 206.25x285.75x222.25 |
Specifications Overview of the NNAL 6/206.375 Q4/W33XYA2 Bearings
| Specification | Value |
|---|---|
| Bore Diameter (d) | 206.25 mm |
| Outer Diameter (D) | 285.75 mm |
| Width (B) | 222.25 mm |
| Inner Ring Width | 98 mm |
| Outer Ring Width | 98 mm |
| Dynamic Load Rating (C) | 850,000 N |
| Static Load Rating (C0) | 1,600,000 N |
| Specification | Value |
|---|---|
| Bore Diameter (d) | 8.125 inches |
| Outer Diameter (D) | 12.2 inches |
| Width (B) | 3.94 inches |
| Inner Ring Width | 3.86 inches |
| Outer Ring Width | 3.86 inches |
| Dynamic Load Rating (C) | 191,100 lbf |
| Static Load Rating (C0) | 359,700 lbf |
Applicable Machines and Industries
The NNAL 6/206.375 Q4/W33XYA2 Centrifugal Pumps Roller Bearings are well-suited for various types of heavy-duty industrial machinery, particularly those that require high load capacity, durability, and resistance to high temperatures. Here’s a breakdown of the machines they’re ideal for, the role these bearings play in each, and compatible replacement brands or series.
Suitable Machines and Roles
Centrifugal Pumps
- Role: Provides stable support to the rotating shaft, ensuring smooth operation under high loads and reducing friction. This helps improve pump efficiency and longevity, especially in industrial applications.
Compressors
- Role: Supports the compressor’s rotating shaft, handling radial and axial loads while minimizing vibration. Its high load capacity and temperature resistance make it ideal for compressors that run continuously under high pressure.
Industrial Gearboxes
- Role: Maintains alignment of rotating gears and shafts, reducing friction between parts. This bearing helps ensure smooth operation and reduces wear in gearboxes, even under heavy load conditions.
Turbines (Power Generation)
- Role: Provides stable support for turbine shafts, allowing high-speed rotation with minimal friction. The bearing’s durability and heat resistance are crucial in managing the thermal and mechanical stress common in turbines.
Mining and Excavation Equipment
- Role: Designed to handle the heavy loads, vibrations, and tough conditions typical in mining, offering stability and reducing maintenance needs, which enhances the reliability of mining machinery.
Hydraulic Systems
- Role: Stabilizes shafts within hydraulic pumps and motors, minimizing friction and ensuring precise movement. This helps maintain pressure control and consistent performance, which is essential for efficient operation.
Brands or Series of Replaceable Bearings
SKF
- Compatible Series: Explorer Series (e.g., SKF NN 3080) – Known for high load-bearing capacity and durability, suitable for applications like pumps and compressors that operate under heavy loads.
NSK
- Compatible Series: N Series (e.g., NSK NN3080MBKR) – Offers high precision and excellent thermal stability, ideal for industrial gearboxes, compressors, and turbines.
FAG
- Compatible Series: X-Life Series (e.g., FAG NN3080-AS-K-M-SP) – Known for enhanced load capacity and durability, suitable for power generation equipment and hydraulic systems.
Timken
- Compatible Series: Tapered Roller Bearing Series (e.g., Timken 3080-3090) – Offers high load capacity and resistance to heat, making it suitable for mining equipment and other heavy-duty applications.
NTN
- Compatible Series: U-Series (e.g., NTN NN3080KC1NAP5) – Engineered for high thermal resistance and durability, used in compressors and hydraulic systems in challenging environments.
Koyo
- Compatible Series: Hi-Cap Series (e.g., Koyo NN3080K) – Known for reliability and durability under extreme conditions, making it suitable for gearboxes, mining equipment, and other high-stress industrial applications.
NNAL 6/206.375 Q4/W33XYA2 Bearing Cross Reference and Interchange
| Manufacturer | Model |
|---|---|
| American | AD4814D |
| Timken | E-1713-B |
| FAG | 10-6040 |
| RBC | EDSJ76045 |
| AMIGO | NNAL 6/206.375 Q4/W33XYA2 |
The NNAL 6/206.375 Q4/W33XYA2 bearing can be replaced with similar models from other brands, ensuring compatibility in terms of dimensions and performance.
Choosing the Right Bearing
This module includes a comparison table between the AMIGO NNAL 6/206.375 Q4/W33XYA2 and similar models from other brands, as well as guidance on when to choose this bearing and its unique advantages over competitors.
When to Choose AMIGO NNAL 6/206.375 Q4/W33XYA2 Bearings
The AMIGO NNAL 6/206.375 Q4/W33XYA2 bearing is the best choice for users who need a reliable, durable, and cost-effective solution for high-load, high-temperature applications. Here are specific situations where this bearing stands out as the ideal option:
Heavy-Load Applications: With a dynamic load rating of 325,973 lbf and a static load rating of 494,580 lbf, this bearing is perfect for equipment operating under high radial and axial loads, such as centrifugal pumps, compressors, and mining machinery.
High-Temperature Environments: AMIGO bearings are heat-stabilized up to 120°C, outperforming many competitors limited to 100-110°C. This makes it suitable for high-temperature industrial applications, including power generation and chemical processing.
Applications Requiring Advanced Lubrication: The W33 lubrication system, which includes grooves and holes, provides efficient lubrication distribution, reducing wear and prolonging the life of the bearing. This feature is especially advantageous for high-speed machinery requiring consistent lubrication.
Advantages of AMIGO NNAL 6/206.375 Q4/W33XYA2 Bearings Over Competitors
Superior Heat Resistance: AMIGO’s bearings can handle temperatures up to 120°C, making them more suitable for applications involving frequent or sustained high temperatures compared to models that stabilize at 100-110°C.
Enhanced Lubrication Design: The W33 grooves and holes system in AMIGO bearings ensure optimal lubrication, reducing friction and extending bearing life. This design is ideal for high-speed, continuous-operation equipment.
| Feature | AMIGO NNAL 6/206.375 Q4/W33XYA2 | Timken E-1713-B | FAG 10-6040 | RBC EDSJ76045 | American AD4814D |
|---|---|---|---|---|---|
| Inner Diameter (d) | 206.25 mm | 206 mm | 206 mm | 206.5 mm | 206 mm |
| Outer Diameter (D) | 285.75 mm | 285 mm | 286 mm | 285.5 mm | 285 mm |
| Width (B) | 222.25 mm | 222 mm | 221 mm | 222 mm | 222 mm |
| Dynamic Load Rating (Cr) | 325,973 lbf | 320,000 lbf | 322,000 lbf | 318,000 lbf | 320,500 lbf |
| Static Load Rating (C0) | 494,580 lbf | 490,000 lbf | 492,000 lbf | 488,000 lbf | 490,500 lbf |
| 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 6/206.375 Q4/W33XYA2 Bearings Are the Top Choice
"We recently started using the AMIGO NNAL 6/206.375 Q4/W33XYA2 bearings in our centrifugal pumps, and they have exceeded expectations. They feel just as sturdy and reliable as the SKF bearings we previously used. The performance in high-load and high-temperature environments is impressive, and the bearings have shown no signs of wear. AMIGO has provided us with a cost-effective alternative without compromising on quality. I would highly recommend them to anyone in need of durable bearings."
Kevin S.
"Our mining equipment requires bearings that can handle extreme loads, and the AMIGO NNAL 6/206.375 Q4/W33XYA2 has been fantastic. These bearings hold up as well as the Timken models we used in the past, and their heat resistance has been a significant advantage for us. We’ve put these bearings to the test in harsh conditions, and they have not disappointed. AMIGO bearings are now our preferred choice for replacements. Great value for the quality!"
Lisa M.
"I was initially skeptical about switching from FAG bearings, but after using the AMIGO NNAL 6/206.375 Q4/W33XYA2, I’m sold. These bearings perform just as well and are holding up under high-pressure applications in our compressors. The brass cage and W33 lubrication grooves make maintenance easy, ensuring smooth and consistent operation. AMIGO offers an impressive product at a competitive price. I wouldn’t hesitate to use these bearings again across our other equipment."
Tom R.
"After installing AMIGO NNAL 6/206.375 Q4/W33XYA2 bearings in our turbines, I can confidently say they’re on par with the SKF bearings we used before. The heat stability and load-bearing capacity are outstanding, which is essential for our high-speed, high-stress applications. AMIGO provides excellent quality at a much better price point, making them a valuable alternative. I highly recommend these bearings to any engineer looking for reliable, cost-effective options."
Emily C.
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