ZB-28515 723.795×908.05×120.65 Bearing
Centrifugal Pumps Roller Bearings
The Amigo ZB-28515 Centrifugal Pump Roller Bearing is engineered to meet the rigorous demands of industrial centrifugal pumps and other heavy-duty machinery. Known for its high load-bearing capacity and durability, this bearing is ideal for applications where reliability and precision are crucial. Designed with a cylindrical roller configuration, the ZB-28515 effectively handles high radial loads, making it well-suited for machines that operate under intense pressure and high-speed conditions.
Performance Overview of the ZB-28515 Bearings
| Attribute | Metric Value |
|---|---|
| Brand | AMIGO ZB-28515 | Interchangeable With: SKF ZB-28515 |
| Bore Diameter | 723.795 mm |
| Outside Diameter | 908.05 mm |
| Width | 120.65 mm |
| Basic Dynamic Load Rating (Cr) | 780,000 N |
| Basic Static Load Rating (C0) | 1,200,000 N |
| Limiting Speed (Grease) | 1,500 rpm |
| Limiting Speed (Oil) | 1,800 rpm |
| Weight | 87 kg |
| Precision Class | ISO Class 0 |
| Cage Material | Steel |
| Roller Material | Chrome Steel |
| Radial Internal Clearance | CN (Normal) |
| Lubrication Feature | With |
| Sealing | Without |
| Dimensions(mm) | 723.795x908.05x120.65 |
| Attribute | Metric Value |
|---|---|
| Brand | AMIGO ZB-28515 | Interchangeable With: SKF ZB-28515 |
| Bore Diameter | 11.22 in |
| Outside Diameter | 15.75 in |
| Width | 5.91 in |
| Basic Dynamic Load Rating (Cr) | 175,342 lbf |
| Basic Static Load Rating (C0) | 269,098 lbf |
| Limiting Speed (Grease) | 1,500 rpm |
| Limiting Speed (Oil) | 1,800 rpm |
| Weight | 191.8 lbs |
| Precision Class | ISO Class 0 |
| Cage Material | Steel |
| Roller Material | Chrome Steel |
| Radial Internal Clearance | CN (Normal) |
| Lubrication Feature | With |
| Sealing | Without |
| Dimensions(in) | 723.795x908.05x120.65 |
Specifications Overview of the ZB-28515 Bearings
| Specification | Metric Units |
|---|---|
| Bore Diameter | 285 mm |
| Outside Diameter | 400 mm |
| Width | 150 mm |
| Basic Dynamic Load Rating (Cr) | 780,000 N |
| Basic Static Load Rating (C0) | 1,200,000 N |
| Limiting Speed (Grease) | 1,500 rpm |
| Limiting Speed (Oil) | 1,800 rpm |
| Weight | 87 kg |
| Specification | Imperial Units |
|---|---|
| Bore Diameter | 11.22 in |
| Outside Diameter | 15.75 in |
| Width | 5.91 in |
| Basic Dynamic Load Rating (Cr) | 175,342 lbf |
| Basic Static Load Rating (C0) | 269,098 lbf |
| Limiting Speed (Grease) | 1,500 rpm |
| Limiting Speed (Oil) | 1,800 rpm |
| Weight | 191.8 lbs |
Applicable Machines and Industries
The Amigo ZB-28515 Centrifugal Pumps Roller Bearings are designed to serve high-load, high-speed applications, primarily in industrial machinery such as centrifugal pumps, compressors, gearboxes, and heavy-duty motors. Here’s a detailed overview of their applications, roles in these machines, and equivalent replaceable bearings from other brands.
Machines Suitable for ZB-28515 Centrifugal Pumps Roller Bearings
Centrifugal Pumps
- Role: The ZB-28515 bearing supports the pump shaft, helping reduce friction and ensuring smooth rotation. This bearing allows the pump to handle high loads while maintaining efficient operation.
- Functionality: Provides radial support, ensuring the pump operates smoothly under heavy-duty conditions.
Compressors
- Role: In compressors, the ZB-28515 bearing minimizes friction along the rotating components, allowing for efficient compression cycles even at high speeds and under continuous use.
- Functionality: Helps maintain precise alignment and smooth rotation, which is crucial for optimal compressor performance.
Gearboxes
- Role: In gearboxes, this bearing provides stability and supports the gearbox shaft, facilitating torque transmission without excessive wear on the internal gears.
- Functionality: Reduces internal friction and helps in transmitting power between components, ensuring high efficiency in power delivery.
Heavy-Duty Motors
- Role: This bearing supports the motor shaft, allowing it to handle high radial loads, which is essential for motors used in industrial environments.
- Functionality: Ensures smooth rotation and helps prevent shaft misalignment, contributing to the longevity of the motor.
Mining and Excavation Equipment
- Role: The ZB-28515 bearing is used in large equipment to handle substantial loads and provide stability during operation in rugged conditions.
- Functionality: Enhances durability and withstands heavy shock loads, a common requirement in mining operations.
Equivalent or Replaceable Bearing Brands and Series
Here is a list of brands and bearing models that are compatible with or equivalent to the Amigo ZB-28515:
TIMKEN – Model: N-28515-B
- Known for reliability in heavy-duty applications and comparable quality to the Amigo ZB-28515.
SKF – Model: Cylindrical Roller Bearing 28515
- SKF bearings are widely recognized for durability and efficiency, suitable for similar applications as the Amigo model.
NSK – Model: 28515B Series
- High-quality bearings with excellent load-handling capabilities, commonly used in compressors and centrifugal pumps.
FAG – Model: N28515-B-C4
- FAG bearings are known for precision and stability, providing an alternative for applications requiring high load capacity and durability.
NTN – Model: 28515 Series
- Designed for industrial applications, NTN’s equivalent bearings offer a high degree of reliability and are suitable for use in high-speed machinery.
KOYO – Model: N28515 Series
- KOYO’s bearings are used in various heavy industrial applications, known for their ability to handle radial and axial loads effectively.
ZB-28515 Bearing Cross Reference and Interchange
| Brand | Model/Series |
|---|---|
| TIMKEN | N-2504-B |
| FAG | Z-549351.ZL |
| Amigo | ZB-28515 |
| UFINE | 10771-RP |
The ZB-28515 Bearing Centrifugal Pump is engineered to support high-load applications across heavy-duty industrial machinery.
Choosing the Right Bearing
The Amigo ZB-28515 Bearing stands out for its high load capacity, durability, and affordability, making it a top choice for heavy-duty applications.
When to Choose the Amigo ZB-28515 Bearing
Need for High Load Capacity: With a dynamic load rating of 780,000 N and a static load rating of 1,200,000 N, the Amigo ZB-28515 is ideal for machinery under heavy loads, such as centrifugal pumps, compressors, and motors. It is suitable for operations requiring reliability under continuous high load conditions.
Requirement for Durable and Corrosion-Resistant Material: The Amigo ZB-28515 is constructed with high-grade chrome steel, providing resistance to wear and corrosion, making it a good choice for applications in demanding industrial environments.
Preference for Brass Cage Design: The brass cage in the ZB-28515 ensures better heat resistance and durability compared to steel cages in some competitors. Brass cages are less prone to distortion under heavy loads and high speeds, which adds to the longevity of the bearing.
Moderate Operating Temperature Needs: The Amigo ZB-28515 is designed to operate efficiently up to 120°C (248°F). If your application does not exceed this temperature, this bearing provides an ideal balance of performance and durability.
Advantages of the Amigo ZB-28515 Bearing
Precision Fit and Stability: The Amigo ZB-28515 offers excellent dimensional precision, which means smoother operation and better alignment for rotating machinery.
Higher Load Ratings: Compared to similar models, the ZB-28515 bearing has higher load ratings, allowing it to handle both dynamic and static forces effectively, which increases the bearing’s life under heavy-duty usage.
| Feature | Amigo ZB-28515 | TIMKEN N-2504-B | FAG Z-549351.ZL | UFINE 10771-RP |
|---|---|---|---|---|
| Bore Diameter | 723.8 mm / 28.5 in | 725 mm / 28.54 in | 723 mm / 28.46 in | 723.8 mm / 28.5 in |
| Outer Diameter | 908.05 mm / 35.75 in | 907 mm / 35.7 in | 908 mm / 35.74 in | 908.05 mm / 35.75 in |
| Width | 120.65 mm / 4.75 in | 121 mm / 4.76 in | 120.5 mm / 4.74 in | 120.65 mm / 4.75 in |
| Cage Type | Brass | Steel | Brass | Brass |
| Radial Internal Play | CN (Normal) | CN (Normal) | C3 (Increased) | CN (Normal) |
| Weight | 100.25 lbs | 102 lbs | 101 lbs | 100.5 lbs |
| Load Rating (Dynamic) | 780,000 N | 770,000 N | 790,000 N | 775,000 N |
| Load Rating (Static) | 1,200,000 N | 1,180,000 N | 1,210,000 N | 1,190,000 N |
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Why Amigo ZB-28515 Bearings Are the Top Choice
"I've been using the Amigo ZB-28515 Bearing for our high-capacity pumps, and it's been excellent. The bearing performs just as reliably as some of the SKF models we've used in the past. It handles heavy loads effortlessly, even in high-temperature conditions, which speaks to its solid construction. The smooth operation and durability are on par with premium brands, but Amigo offers it at a much more competitive price. I’m genuinely impressed with the quality."
John R.
"The Amigo ZB-28515 is a fantastic bearing. I was initially skeptical since I usually opt for SKF or FAG, but this bearing has exceeded expectations. After months of heavy use, it still runs quietly and smoothly, showing no signs of wear. The performance feels nearly identical to SKF bearings we have in other equipment, but the cost savings with Amigo is a huge advantage. Definitely recommend giving it a try."
Laura M.
"We tested the Amigo ZB-28515 Bearing in one of our centrifugal pumps, and it has matched the reliability of top brands like SKF. The bearing operates smoothly under pressure, and its load tolerance is impressive. We’ve run it in some pretty demanding conditions, and it performs just as well as the SKF bearings we typically use. The Amigo bearing offers similar durability and quality, but at a much better price point."
David K.
"I can honestly say the Amigo ZB-28515 Bearing is on par with the SKF bearings we've relied on for years. We used it in a high-stress environment, and it has been extremely reliable, handling loads and speeds like a pro. The bearing feels solid and shows no signs of overheating or excessive wear. For the quality and the price, it's a smart choice, especially if you’re looking for a dependable alternative to SKF without compromising performance."
Sarah T.
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