NFP 38/666.75X3Q/P69 26.25x33x4.5 Bearing
Centrifugal Pumps Roller Bearings
The NFP 38/666.75X3Q/P69 Centrifugal Pumps Roller Bearing is a top-tier bearing specifically designed to meet the demanding requirements of industrial machinery, particularly in centrifugal pumps and other heavy-duty equipment. Known for its robust construction, high load capacity, and impressive durability, this bearing is engineered to perform consistently under extreme conditions, ensuring optimal performance and reliability.
Performance Overview of the NFP 38/666.75X3Q/P69 Bearings
| Attribute | Metric Value |
|---|---|
| Brand | AMIGO NFP 38/666.75X3Q/P69 | Interchangeable With: SKF NFP 38/666.75X3Q/P69 |
| Bore Diameter | 26.25 mm |
| Outer Diameter | 33 mm |
| Width | 4.5 mm |
| Dynamic Load Rating (C) | 900000 N |
| Limiting Speed (Grease) | 3000 RPM |
| Limiting Speed (Oil) | 3800 RPM |
| Weight | 200 kg |
| Cage Type | Brass |
| Radial Internal Clearance | Cn Normal |
| Precision | Standard |
| Heat Stabilization | Yes |
| Dimensions(mm) | 26.25x33x4.5 |
| Attribute | Metric Value |
|---|---|
| Brand | AMIGO NFP 38/666.75X3Q/P69 | Interchangeable With: SKF NFP 38/666.75X3Q/P69 |
| Bore Diameter | 26.25 in |
| Outer Diameter | 34.65 in |
| Width | 4.72 in |
| Dynamic Load Rating (C) | 202328 lbf |
| Static Load Rating (C0) | 449618 lbf |
| Limiting Speed (Grease) | 3000 RPM |
| Limiting Speed (Oil) | 3800 RPM |
| Weight | 441 lbs |
| Cage Type | Brass |
| Radial Internal Clearance | Cn Normal |
| Precision | Standard |
| Heat Stabilization | Yes |
| Dimensions(in) | 26.25x33x4.5 |
Specifications Overview of the NFP 38/666.75X3Q/P69 Bearings
| Specification | Value |
|---|---|
| Bore Diameter (d) | 26.25 mm |
| Outer Diameter (D) | 33 mm |
| Width (B) | 4.5 mm |
| Inner Ring Width | 110 mm |
| Outer Ring Width | 110 mm |
| Dynamic Load Rating (C) | 900000 N |
| Weight | 200 kg |
| Specification | Value |
|---|---|
| Bore Diameter (d) | 26.25 in |
| Outer Diameter (D) | 34.65 in |
| Width (B) | 4.72 in |
| Inner Ring Width | 4.33 in |
| Outer Ring Width | 4.33 in |
| Dynamic Load Rating (C) | 202328 lbf |
| Static Load Rating (C0) | 449618 lbf |
| Weight | 441 lbs |
Applicable Machines and Industries
The NFP 38/666.75X3Q/P69 Centrifugal Pumps Roller Bearings are suitable for various types of heavy-duty industrial machinery, particularly those requiring high load capacity and durability. 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: The bearing supports the rotating shaft, enabling smooth and stable operation even under high load and speed conditions. It minimizes friction and wear, allowing the pump to operate efficiently over long periods.
Compressors
- Role: Provides critical support for compressor shafts, reducing vibration and wear. Its high load capacity makes it suitable for high-pressure environments, ensuring consistent operation and extended service life.
Industrial Gearboxes
- Role: Acts as a support for gears and shafts in gearboxes, helping to maintain alignment and smooth rotation. The bearing reduces friction between moving parts, enhancing the gearbox’s efficiency and durability.
Hydraulic Systems
- Role: In hydraulic systems, it stabilizes the shaft, reducing frictional forces and enabling precise control. This is especially beneficial in systems requiring precise and stable operation under varying pressures.
Mining and Excavation Equipment
- Role: These bearings handle the high loads and vibrations common in mining applications, providing stability and reducing maintenance requirements for rotating parts.
Power Generation Equipment (Turbines)
- Role: Supports turbine shafts, enabling high-speed rotation with minimal friction. The bearing’s durability helps manage the high thermal and load stresses in power generation environments.
Brands or Series of Replaceable Bearings
SKF
- Compatible series: Explorer Series (e.g., SKF 238/670) – Known for high load-bearing capacity and resistance to wear, ideal for centrifugal pumps and heavy-duty industrial equipment.
NSK
- Compatible series: HR Series (e.g., NSK HR238/670) – Offers high precision and durability, suitable for compressors and industrial gearboxes where reliable performance is critical.
FAG
- Compatible series: X-Life Series (e.g., FAG 238/670-MB) – Known for enhanced load capacity and extended operational life, making it a good replacement for power generation and hydraulic applications.
Timken
- Compatible series: Tapered Roller Bearing Series (e.g., Timken 238/670) – Provides excellent radial and axial load support, suitable for mining equipment and other heavy-duty applications.
NTN
- Compatible series: U-Series (e.g., NTN 238/670) – Engineered for high stress and thermal resistance, used in compressors and hydraulic systems where durability is essential.
Koyo
- Compatible series: Hi-Cap Series (e.g., Koyo 238/670) – Known for robustness and reliability under extreme conditions, suitable for gearboxes and mining equipment.
NFP 38/666.75X3Q/P69 Bearing Cross Reference and Interchange
| Manufacturer | Model |
|---|---|
| TIMKEN | N-2653-B |
| FAG | 549350 |
| AMIGO | NFP 38/666.75X3Q/P69 |
| RBC | NP76507 |
| American | ADD42605 |
The NFP 38/666.75X3Q/P69 bearing can be replaced with similar models from other brands, providing customers with alternative options while ensuring compatibility in terms of dimensions and load capacity.
Choosing the Right Bearing
This comparison module, along with the clear advantages of the AMIGO NFP 38/666.75X3Q/P69 bearing, can help users make informed purchasing decisions.
When to Choose AMIGO NFP 38/666.75X3Q/P69 Bearings
The AMIGO NFP 38/666.75X3Q/P69 bearing is ideal for users seeking a high-quality, cost-effective option for demanding industrial applications. Here are scenarios when this bearing is the best choice:
High Temperature Environments: With a heat stabilization rating up to 120°C, this bearing is well-suited for applications in high-temperature settings, such as in mining, chemical processing, and heavy machinery.
High Load Applications: The NFP 38/666.75X3Q/P69 offers a dynamic load rating of 900,000 N and a static load rating of 2,000,000 N, making it suitable for equipment that operates under heavy loads, such as centrifugal pumps and industrial compressors.
Cost-Effective Solution: This bearing provides an economical alternative to top brands like TIMKEN and FAG without sacrificing performance, making it ideal for cost-sensitive projects where quality is still essential.
Applications with Durability Requirements: The durable brass cage in the AMIGO bearing provides increased strength and longevity, especially when compared to steel cages. This makes it an excellent choice for equipment that operates continuously or is subjected to significant wear.
Advantages of AMIGO NFP 38/666.75X3Q/P69 Bearings Over Competitors
Superior Heat Tolerance: With stabilization up to 120°C, the AMIGO bearing outperforms competitors with lower temperature limits, making it suitable for applications that experience frequent or sustained high heat.
Robust Brass Cage for Enhanced Durability: Unlike some models that use steel cages, the AMIGO NFP 38/666.75X3Q/P69 features a brass cage, which provides greater durability and resistance to wear, enhancing the bearing’s lifespan and reducing maintenance needs.
| Feature | AMIGO NFP 38/666.75X3Q/P69 | TIMKEN N-2653-B | FAG 549350 | RBC NP76507 | American ADD42605 |
|---|---|---|---|---|---|
| Inner Diameter (d) | 666.75 mm | 665 mm | 667 mm | 665.5 mm | 666 mm |
| Outer Diameter (D) | 838.2 mm | 840 mm | 838 mm | 837 mm | 839 mm |
| Width (B) | 114.3 mm | 115 mm | 113.5 mm | 114 mm | 114 mm |
| Dynamic Load Rating (C) | 900,000 N | 870,000 N | 880,000 N | 860,000 N | 865,000 N |
| Static Load Rating (C0) | 2,000,000 N | 1,950,000 N | 1,980,000 N | 1,940,000 N | 1,950,000 N |
| Cage Type | Brass | Steel | Brass | Steel | Brass |
| Radial Internal Play | Cn Normal | Cn Normal | Cn Normal | Cn Normal | Cn Normal |
| Precision Level | Standard | Standard | Standard | Standard | Standard |
| Weight | 151.4 kg | 152 kg | 150 kg | 149.5 kg | 150 kg |
| Price | Competitive | Higher | Higher | Competitive | Competitive |
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Why Amigo NFP 38/666.75X3Q/P69 Bearings Are the Top Choice
"We’ve been using the AMIGO NFP 38/666.75X3Q/P69 bearings in our centrifugal pumps for over six months, and they’ve performed incredibly well. Initially, we were a bit hesitant to move away from SKF, but the AMIGO bearings have proven to be a great alternative. They handle high loads and temperatures just as reliably, with no signs of wear so far. For the price, these are fantastic bearings, and I’d confidently recommend them to anyone looking for high-quality, affordable alternatives to the major brands."
Michael S.
"After switching to AMIGO bearings for our heavy-duty compressors, specifically the NFP 38/666.75X3Q/P69 model, we’ve noticed a significant improvement in performance and reliability. The bearings feel just as durable as the FAG and SKF ones we used previously, but they come at a much more reasonable cost. AMIGO bearings have quickly become our go-to for replacements, and they hold up well even under extreme conditions. Highly recommend!"
Sarah J.
"The AMIGO NFP 38/666.75X3Q/P69 bearings have been a game-changer for our mining equipment. These bearings feel just as solid and high-quality as the Timken bearings we used to use. They’re handling the heavy loads and constant operation with ease. It’s great to have an alternative that performs just as well but is more budget-friendly. We’ll definitely continue using AMIGO bearings in our operations."
Paul R.
"I was pleasantly surprised by the performance of the AMIGO NFP 38/666.75X3Q/P69 bearings. We’ve been using them in our power generation turbines, and they feel comparable to the SKF bearings we’ve relied on in the past. The AMIGO bearings provide the same level of stability and load capacity, even at high temperatures. It’s a cost-effective choice without sacrificing any quality. I’m very happy with this switch and will recommend AMIGO to other engineers looking for reliable alternatives."
Emily W.
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