Quick Summary:
Price: $75,592.20
SKU: 5049083
Pros:
High Load Capacity: Capable of handling substantial radial and axial loads, making it ideal for heavy-duty industrial applications.
Durable Construction: Made from through-hardened steel with a machined brass cage, ensuring exceptional durability and resistance to wear.
Wide Operating Temperature Range: Operates efficiently between -40 to 250 °F (-40 to 120 °C), suitable for diverse environmental conditions.
Versatile Speed Limits: Supports speeds up to 430 RPM (oil) and 330 RPM (grease), providing flexibility across different operational requirements.
Ease of Maintenance: Designed with an open enclosure for better cooling and lubrication, facilitating straightforward maintenance practices.
Cons:
Heavy Weight: Weighing 1247.815 lb (566 kg), it requires specialized handling equipment during installation and maintenance.
Higher Initial Cost: Initial purchase costs may be higher compared to standard bearings due to its robust construction and advanced engineering.
NTN 231/500BL1KW33C3 X-Large Spherical Roller Bearing Review
Introduction
The NTN 231/500BL1KW33C3 Bearings Review stands out as a robust solution tailored for heavy-duty industrial environments. Known for its superior load capacity, durable construction, and reliable performance, this bearing is ideal for applications demanding resilience and efficiency. This comprehensive review explores its technical specifications, applications across industries, and the benefits it offers to industrial users.
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:
- d: 500 mm
- D: 830 mm
- B: 264 mm
- Weight: 1247.815 lb (566 kg)
Design and Construction
The bearing features a tapered bore and is crafted from through-hardened steel, ensuring exceptional durability and resistance to wear. Its machined brass cage enhances stability and reduces friction, while the open enclosure design promotes efficient cooling and lubrication, critical for sustained performance under challenging conditions.
Performance and Load Capacity
With a dynamic load rating of 1,560,000 lbf and a static load rating of 3,080,000 lbf, the NTN 231/500BL1KW33C3 excels in handling substantial radial and axial loads. This capability makes it a preferred choice for heavy machinery and equipment operating under high stress. The C3 radial internal clearance accommodates variable loads and misalignments, ensuring smooth operation and prolonged bearing life.
Applications
This spherical roller bearing finds extensive use in various industries, including:
- Mining Equipment: Crushers, conveyor systems, and earth-moving machinery benefit from its robust performance and durability.
- Steel Manufacturing: Ideal for rolling mills and continuous casting machines where reliability under extreme conditions is crucial.
- Power Generation: Used in turbines, gearboxes, and other high-stress equipment due to its high load capacity and reliability.
Benefits
Durability: Constructed from through-hardened steel and featuring a machined brass cage, the bearing offers exceptional durability and wear resistance.
High Load Capacity: With dynamic and static load ratings of 1,560,000 lbf and 3,080,000 lbf respectively, it ensures reliable performance under heavy loads, extending equipment lifespan.
Versatility: Operates efficiently across a wide temperature range (-40 to 250 °F) and at speeds up to 430 RPM (oil) and 330 RPM (grease), making it adaptable to diverse industrial applications.
Reliability: NTN's engineering expertise guarantees consistent performance, crucial for maintaining operational efficiency in demanding environments.
Maintenance and Reliability
The NTN 231/500BL1KW33C3 X-Large Spherical Roller Bearing is designed for ease of maintenance, with its open enclosure design facilitating effective cooling and lubrication. Regular lubrication and periodic inspections are recommended to ensure optimal performance and extend bearing longevity, minimizing downtime and enhancing operational reliability.
Conclusion
The NTN 231/500BL1KW33C3 X-Large Spherical Roller Bearing stands as a pinnacle of durability and performance in heavy-duty industrial settings. Its robust design, high load capacity, and operational versatility make it indispensable across mining, steel manufacturing, and power generation sectors. By adhering to proper maintenance practices, industrial operators can maximize efficiency, reduce costs, and prolong equipment life with this reliable bearing.
FAQ about NTN 231/500BL1KW33C3 X-Large Spherical Roller Bearing
Q: What is the NTN 231/500BL1KW33C3 bearing used for?
A: This bearing is utilized in heavy-duty industrial applications such as mining equipment, steel manufacturing, and power generation due to its exceptional load capacity and durability.
Q: What are the dimensions of the bearing?
A: The bearing has a bore diameter (d) of 500 mm, an outside diameter (D) of 830 mm, and a width (B) of 264 mm.
Q: What materials are used in its construction?
A: The bearing is made from through-hardened steel with a machined brass cage for enhanced stability and reduced friction.
Q: What are the load capacities of this bearing?
A: It boasts a dynamic load rating of 1,560,000 lbf and a static load rating of 3,080,000 lbf, making it suitable for heavy radial and axial loads.
Q: What is its operating temperature range?
A: The bearing operates efficiently between -40 to 250 °F (-40 to 120 °C), ensuring performance across a wide range of environmental conditions.
Q: How does the C3 radial internal clearance benefit the bearing?
A: The C3 clearance accommodates thermal expansion and misalignments, ensuring smooth operation and prolonged bearing life under variable load conditions.
Q: What are the speed limits for this bearing?
A: It operates at limiting speeds of 430 RPM with oil lubrication and 330 RPM with grease lubrication, offering versatility in different operational scenarios.
Q: Is maintenance required for this bearing?
A: Yes, regular lubrication and periodic inspections are recommended to maintain optimal performance and extend the bearing's service life.
Q: What are the main advantages of using this bearing?
A: Advantages include durability, high load capacity, wide operating temperature range, versatile speed limits, and ease of maintenance.
Q: Are there any drawbacks to using this bearing?
A: Drawbacks include its heavy weight (566 kg), necessitating specialized handling during installation and potentially higher initial purchase costs compared to standard bearings.