Centrifugal Pumps Roller Bearings
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Understanding Centrifugal Pumps Roller Bearings
Let’s meet AMIGO Centrifugal Pump Roller Bearings, which are built for various uses while offering a high level of performance and reliability. These roller bearings are also perfect for centrifugal pumps as they provide better load capacity and endure more wear. Their properties allow them to be substituted with bearings belonging to well-known manufacturers, improving performance efficiency. Expect nothing less than AMIGO quality and compatibility!

Features and benefits
- High Load Capacity: It can operate in different directions, such as radial and axial, and withstands great amounts of load.
- Durability: High-quality materials are used to ensure a long life and less damage.
- Interchangeable Design: Suits major companies’ models for quick and hassle-free replacing and fixing.
- Low Friction: Lowering the friction also lowers the energy required to perform the work, which results in higher efficiency.
- Corrosion Resistance: This application can be applied in different fluids without being destroyed by rust.
Temperature Limits
- Operating Temperature Range: It is usually in the range of -30°C to 120°C (-22°F to 248°F); however, this varies with the bearing material.
- High-Temperature Applications: Special bearings have been developed that can withstand high operating temperatures. They are rated for a continuous operational temperature of 200°C (392°F).
- Low-Temperature Applications: Some bearings can also be used in extremely low temperatures of -50°C (-58°F).
Applications
- Water Treatment Plants: Monitor the expenditure and use of fluid handling and filtration equipment.
- Chemical Processing: Manage chemical agents in a chemical process.
- Oil and Gas: Assist with the delivery of fluids in the exploration and refining processes.
- Agricultural Irrigation: Delivery of water to irrigate crops with certainty.
- Mining: Locate and work under challenging conditions transporting and processing fluids.
Centrifugal Pumps Roller Bearing Size Chart
Designation | Principal dimensions | Bearing Dimensions Chart Pdf | ||
---|---|---|---|---|
d[mm] | D[mm] | B[mm] | ||
NU 3036X2 M/C4 | 180 | 280 | 74 | Download |
NU 3040X3 M/C4 | 200 | 320 | 88.9 | Download |
NU 3044X3 M/C4 | 220 | 350 | 98.4 | Download |
ZB-8253 | 130 | 230 | 40 | Download |
ZB-10236 | 130 | 230 | 40 | Download |
ZB-28515 | 723.795 | 908.05 | 120.65 | Download |
NFP 6/723.795 Q4/C9-1 | 28.496 | 35.75 | 4.75 | Download |
NFP 38/666.75X3Q/P69 | 26.25 | 33 | 4.5 | Download |
NNAL 6/177.8-2 Q4/C5W33XYA2 | 177.8 | 257.18 | 196.85 | Download |
NNAL 6/180.975Q/P69-1 W33XYA | 180.85 | 257.05 | 196.85 | Download |
NNAL 6/206.375 Q4/W33XYA2 | 206.25 | 285.75 | 222.25 | Download |
NNAL 6/209.55 Q4/C9W33X | 225 | 54 | 90 | Download |
Customize bearings to meet your specific needs.
Are you looking for bearings tailored to your unique specifications? Our customization service ensures that each bearing is designed and manufactured to meet your requirements, providing the perfect solution for your application. Click the "Enquire Now" button to discuss your needs with our experts and get started on your custom-bearing solution today.
Centrifugal Pumps Roller Bearings - Designs and Variants
- Single Row Roller Bearings: Best suited for standard load applications of limited space.
- Double Row Roller Bearings: Thin-section all-spherical roller bearing has higher-load capacity and stability for adverse conditions.
- Angular Contact Bearings: Structured for radial and axial load transmission.
- Sealed Bearings: Support operations in rough conditions and offer protection from water or dust particles.
- Self-Aligning Bearings: These bearings account for abnormalities in alignment that may occur in practice, so all bearing wear is avoided in operation.
- High-Speed Bearings: Designed for high-speed applications.
- Corrosion-Resistant Bearings: Applicable for harsh chemical and physical environments.
Centrifugal Pumps Roller Bearings Loads
Radial Loads
This load occurs due to the weight of the attached structures, such as a rotating shaft and an impeller, which is caused by the fluid dynamic forces applied on the impeller during the operation.
Axial Loads
These are created owing to the pressure difference at the inlet and the pump outlet. These are affected by impellers and flow conditions.
Combined Loads
In this case, axial and radial, more than one type of load may co-occur.The bearings, too, should be designed to endure these combined stresses to provide durability.
Dynamic Loads
These change when in service due to changes in the fluids involved and the speed of the pump.Hence, bearings must be rated regarding these alterations over time.

Centrifugal Pumps Roller Bearings Catalogue
Look through this detailed PDF presentation dedicated to Centrifugal Pump Roller Bearings and discover a lot of information on their construction, types, load capacity, and designation system. This resource is meant to accompany the product with all its specifications and possibilities for industrial use applications. Download the PDF to access the crucial information.
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Centrifugal Pumps Roller Bearings FAQ
What is the function of centrifugal pump roller bearings?
Centrifugal pump roller bearings are designed to rest on the rotating shaft, enabling it to rotate and withstand these radial and axial forces. They are also helpful in maintaining the axial and radial arrangement of the elements and reducing wear—both of which are necessary for the pump’s normal operation.
How do I know the right choice of roller bearings for my pump would be?
In order to select the proper bearings, they need to assess the pump’s operational conditions, such as load, rotation, environment, and lubricating conditions, manufacturer’s specifications may also be handy in this process of selection.
What particular kinds of load do these bearings support?
These bearings mostly take care of the radial load caused by the pump’s rotating parts and axial loads resulting from internal pressure differences. Understanding these loads is very important in order to select bearings with appropriate ratings.
I want to know whether I can use AMIGO bearings with other brands.
All AMIGO roller bearings are made to conform to the significant bearing brand`s standards; therefore, they are interchangeable. This feature makes it easy to perform repairs and replacements and guarantees performance without making so many changes.
Are there ways to prevent wear on my roller bearings?
These include maintenance practices such as lubrication, inspection for wear out once in a while, and abiding by the promised range of load and temperature under which the bearings should function properly.
What materials are the given bearings made from?
Centrifugal pump roller bearings primarily comprise good-quality steel or any steel that is resistant to corrosion, such as stainless steel. This, in turn, will impact the bearing’s service life and ability to resist wear and environmental factors.
Is it possible for the roller bearings to work in an elevated temperature setting?
Yes, roller bearings can be heated and used in their working conditions. Special High-Temperature Bearings are capable of continuous operation at temperatures of 200 degrees Celsius (392 degrees Fahrenheit) or even more, depending on the design and the lubricant used.