Quick Summary:
Price: $75,592.20
SKU: 5049083
Pros:
- Exceptional Durability: Constructed from through-hardened steel and featuring a machined brass cage, ensuring long-lasting durability even under heavy loads and harsh conditions.
- High Load Capacity: Boasts a dynamic load rating of 1,560,000 lbf and a static load rating of 3,080,000 lbf, making it suitable for handling substantial radial and axial loads in industrial applications.
- Versatility in Applications: Suitable for a wide range of industries including mining, steel manufacturing, and power generation, due to its robust design and ability to perform in diverse operating conditions.
- Wide Operating Temperature Range: Capable of operating efficiently between -40 to 250 °F (-40 to 120 °C), ensuring reliability in both high-heat and low-temperature environments.
- Ease of Maintenance: Designed for easy maintenance with an open enclosure for better cooling and lubrication, coupled with a C3 radial internal clearance that allows for minimal misalignments without compromising performance.
Cons:
- Heavyweight: Weighs 1247.815 lb (566 kg), which requires specialized handling during installation and maintenance.
- Higher Initial Cost: Compared to standard bearings, the NTN 231/500BL1KW33C3 may have a higher purchase price due to its advanced engineering and durability features.
Comprehensive Review of NTN 231/500BL1KW33C3 X-Large Spherical Roller Bearing
Introduction
The NTN 231/500BL1KW33C3 X-Large Spherical Roller Bearing is a top-tier choice for heavy-duty industrial applications, renowned for its robust construction, superior load capacity, and advanced engineering. This detailed review explores its technical specifications, versatile applications, and the substantial benefits it offers to industrial users seeking reliability and performance.
Overview of NTN 231/500BL1KW33C3
Designed to meet the rigorous demands of heavy-duty industrial environments, the NTN 231/500BL1KW33C3 excels with its durability, exceptional load capacity, and advanced engineering features. This bearing is engineered to perform reliably in challenging conditions where operational consistency is paramount.
Technical Specifications
Type: Spherical Roller Bearing
Bore Type: Tapered
Material: Through Hardened Steel
Cage Type: Machined Brass
Dynamic Load Rating: 1,560,000 lbf (6950.00 kN)
Static Load Rating: 3,080,000 lbf (13700.00 kN)
Radial Internal Clearance: C3
Operating Temperature Range: -40 to 250 °F (-40 to 120 °C)
Limiting Speed (Oil): 430 RPM
Limiting Speed (Grease): 330 RPM
Dimensions
- Bore Diameter (d): 500 mm
- Outside Diameter (D): 830 mm
- Width (B): 264 mm
- Weight: 1247.815 lb (566 kg)
Design and Construction
Crafted with a tapered bore and through-hardened steel, the NTN 231/500BL1KW33C3 ensures exceptional durability and resistance to wear. Its machined brass cage enhances stability, reduces friction, and promotes efficient cooling and lubrication, critical for sustained high-performance operations.
Performance and Load Capacity
Boasting a dynamic load rating of 1,560,000 lbf and a static load rating of 3,080,000 lbf, this bearing excels in handling significant radial and axial loads. Its robust design makes it an optimal choice for heavy machinery and equipment operating under intense stress, while the C3 radial internal clearance ensures smooth performance even under variable loads and misalignments.
Operating Conditions
Engineered to operate efficiently across a broad temperature range (-40 to 250 °F), the NTN 231/500BL1KW33C3 is well-suited for both high-heat and low-temperature environments. Its versatility extends to different applications, thanks to its ability to function at speeds of up to 430 RPM (oil) and 330 RPM (grease), ensuring reliable performance across diverse industrial settings.
Applications
The NTN 231/500BL1KW33C3 finds extensive utility in demanding industries such as:
Mining Equipment
Ideal for crushers, conveyor belts, and earth-moving machinery, where robust performance under heavy loads is essential.
Steel Manufacturing
Well-suited for rolling mills and continuous casting machines, where durability and reliability are crucial in high-temperature environments.
Power Generation
Critical for turbines, gearboxes, and other high-stress equipment, offering dependable support under varying operational conditions.
Benefits of NTN 231/500BL1KW33C3
Durability
Constructed from through-hardened steel and featuring a machined brass cage, this bearing ensures exceptional durability and resistance to wear, prolonging operational lifespan.
Load Capacity
With high dynamic and static load ratings, it effectively manages substantial stresses, enhancing equipment longevity and operational reliability.
Versatility
Suitable for diverse operating temperatures and speeds, the bearing offers flexibility across a wide range of industrial applications, optimizing performance in varied conditions.
Reliability
Engineered with NTN’s precision and excellence, it delivers consistent performance, crucial for maintaining operational efficiency and minimizing downtime.
Maintenance and Reliability
Designed for ease of maintenance, the NTN 231/500BL1KW33C3 features an open enclosure for improved cooling and lubrication. The C3 radial internal clearance accommodates minor misalignments without compromising performance, while regular lubrication and periodic inspections ensure prolonged operational efficiency and minimal downtime.
Pros and Cons
Pros
- Exceptional Durability: Made from through-hardened steel and machined brass cage.
- High Load Capacity: Handles significant radial and axial loads.
- Versatile Operating Conditions: Functions efficiently across a wide temperature range.
- Reliable Performance: Consistent operation under challenging conditions.
- Ease of Maintenance: Open enclosure design for better cooling and lubrication.
Cons
- Heavy Weight: At 566 kg, it requires specialized handling.
- Higher Initial Cost: More expensive compared to standard bearings.
Conclusion
The NTN 231/500BL1KW33C3 X-Large Spherical Roller Bearing emerges as a pinnacle of engineering excellence for heavy-duty industrial applications. With its robust construction, superior load capacity, and ability to operate across a wide temperature range, this bearing excels in environments where reliability and performance are non-negotiable.
Engineered from through-hardened steel and equipped with a machined brass cage, the NTN 231/500BL1KW33C3 ensures exceptional durability and wear resistance. Its impressive dynamic and static load ratings enable it to effortlessly manage substantial radial and axial loads, making it indispensable for machinery under high stress.
Moreover, the bearing's versatility extends its utility across diverse industries such as mining, steel manufacturing, and power generation, where it supports critical operations like crushers, rolling mills, turbines, and more.
For maintenance, its open enclosure design facilitates efficient cooling and lubrication, while the C3 radial internal clearance accommodates misalignments without compromising performance. Regular maintenance, including proper lubrication and inspections, ensures prolonged operational efficiency and minimizes downtime.
In essence, the NTN 231/500BL1KW33C3 stands as a testament to NTN's commitment to quality and innovation in bearing technology. It not only meets but exceeds the stringent demands of modern industrial applications, providing unmatched reliability, longevity, and performance under diverse operational conditions. For industries seeking a bearing solution that combines durability, high load capacity, and operational flexibility, the NTN 231/500BL1KW33C3 proves to be an indispensable choice.
Frequently Asked Questions (FAQ)
What is the NTN 231/500BL1KW33C3 bearing used for?
It is used in heavy-duty industrial applications such as mining equipment, steel manufacturing, and power generation due to its high load capacity and durability.
What are the dimensions of the bearing?
The dimensions are 500 mm bore diameter (d), 830 mm outside diameter (D), and 264 mm width (B).
What materials are used in the construction?
It is made from through-hardened steel with a machined brass cage.
What is the load capacity of this bearing?
The dynamic load rating is 1,560,000 lbf and the static load rating is 3,080,000 lbf.
What is the operating temperature range?
It operates efficiently between -40 to 250 °F (-40 to 120 °C).
How does the C3 radial internal clearance benefit the bearing?
It provides room for thermal expansion and misalignments, ensuring smooth operation under various load conditions.
What are the speed limits for this bearing?
The limiting speed is 430 RPM with oil lubrication and 330 RPM with grease lubrication.
Is maintenance required for this bearing?
Yes, regular lubrication and periodic inspections are recommended to maintain optimal performance and extend the bearing's life.
What are the main advantages of using this bearing?
Durability, high load capacity, wide operating temperature range, versatile speed limits, and ease of maintenance.
Are there any drawbacks to using this bearing?
The bearing is heavy (566 kg), requiring specialized handling, and may have a higher purchase price compared to standard bearings.
This comprehensive review highlights the NTN 231/500BL1KW33C3 X-Large Spherical Roller Bearing as an exemplary choice for industrial applications demanding reliability, durability, and high-performance capabilities.