Quick Summary:
Price:$210,959.38
SKU: 5049059
Pros:
- High Load Capacity: Capable of handling substantial axial and radial loads, ideal for heavy-duty industrial applications.
- Durable Construction: Crafted from through-hardened steel with a robust brass cage, ensuring long-term durability and resistance to wear.
- Wide Temperature Range: Operates efficiently in temperatures ranging from -40 to 250°F (-40 to 120°C), suitable for diverse environmental conditions.
- Superior Roller Guidance: Equipped with a high-strength, two-piece machined brass cage that minimizes friction and heat generation.
- Versatile Applications: Suitable for use in mining, construction, industrial gearboxes, and steel mills due to its robust design and performance.
Cons:
- High Initial Cost: The upfront investment required for this bearing may be significant compared to alternatives.
- Heavy Weight: Weighing 217.376 lb (98.6 kg), specialized handling and installation equipment may be necessary, adding to operational complexities.
Comprehensive Review of the NTN 29296 X-Large Spherical Roller Bearing
Introduction
Selecting the right bearings is crucial for optimizing performance, reliability, and maintenance costs in industrial applications. The NTN 29296 X-Large Spherical Roller Bearing stands out as an excellent choice. This comprehensive review delves deep into its specifications, features, applications, performance, and maintenance requirements, providing a thorough understanding of its capabilities and benefits.
Specifications and Technical Data
The NTN 29296 is a robust spherical thrust roller bearing designed for heavy-duty applications. Here are its key specifications:
- Type: Spherical Thrust Roller Bearing
- Bore Type: Round
- Material: Through Hardened Steel
- Cage Type: High Strength, 2-piece, Machined
- Cage Material: Brass
- Limiting Speed - Oil: 550 RPM
- Configuration: Single
- Ring Modification: Plain
- Radial Internal Clearance: CN (Normal)
- Static Load Rating: 2,700,000 lbf (12,000 kN)
- Dynamic Load Rating: 540,000 lbf (2,400 kN)
- Enclosure: Open
- Weight: 217.376 lb (98.6 kg)
- Operating Temperature Range: -40 to 250°F (-40 to 120°C)
Dimensional Specifications
Precise dimensions ensure proper fit and function across diverse applications:
- d (Bore Diameter): 18.8976 in (480 mm)
- D (Outer Diameter): 25.5906 in (650 mm)
- d1: 25.0000 in (635 mm)
- D1: 21.8898 in (556 mm)
- T (Total Width): 4.0551 in (103 mm)
- A: 10.1969 in (259 mm)
- B1: 1.2992 in (33 mm)
- C: 2.1654 in (55 mm)
- r: 0.1969 in (5 mm)
- da min: 21.8504 in (555 mm)
- Da max: 23.4252 in (595 mm)
- ras max: 0.1575 in (4 mm)
Features and Benefits
High Load Capacity
The NTN 29296 offers exceptional axial and radial load-bearing capabilities, making it ideal for heavy machinery and industrial environments where reliability and endurance are critical.
Durability
Crafted from through-hardened steel with a robust brass cage, this bearing ensures outstanding resistance to wear and tear, providing prolonged service life even under severe operating conditions.
High-Strength Cage
The high-strength, two-piece machined brass cage provides superior roller guidance, minimizing friction and heat generation, enhancing performance and longevity.
Temperature Range
Efficiently operates in temperatures ranging from -40 to 250°F (-40 to 120°C), making it versatile for applications in mining, construction, and heavy machinery.
Speed Capability
Capable of operating at speeds up to 550 RPM when lubricated with oil, this bearing is suitable for dynamic applications demanding both high loads and speeds.
Applications
The NTN 29296 X-Large Spherical Roller Bearing is used in various demanding environments:
Mining Equipment
Essential for heavy-duty operations in mining, where equipment faces extreme loads and harsh conditions.
Construction Machinery
Ideal for cranes, excavators, and other construction equipment requiring high load capacity and durability.
Industrial Gearboxes
Handles significant axial and radial loads found in industrial gearboxes, ensuring smooth operation.
Steel Mills
Withstands high temperatures and heavy loads typical of steel mill environments.
Performance
The NTN 29296 excels in performance due to its premium materials and precise engineering. Its ability to manage substantial loads without compromising speed makes it indispensable in critical applications. The open enclosure facilitates easy inspection and maintenance, ensuring optimal performance throughout its lifespan.
Installation and Maintenance
Installation
- Ensure cleanliness and remove contaminants before installing.
- Use appropriate tools to prevent damage.
- Align accurately to avoid uneven load distribution.
Maintenance
- Regularly inspect for wear, damage, or lubrication issues.
- Apply suitable lubricants to reduce friction and wear.
- Shield from contaminants like dust and moisture.
Conclusion
The NTN 29296 X-Large Spherical Roller Bearing stands as a top-tier choice for rigorous industrial applications. Its durable construction, high load capacity, and broad temperature range make it a reliable investment across various industries. Proper installation and maintenance ensure optimal performance and extended service life, solidifying its value in heavy-duty applications.
FAQs about NTN 29296 X-Large Spherical Roller Bearing
What is the load capacity of the NTN 29296 bearing?
The static load rating is 2,700,000 lbf (12,000 kN), and the dynamic load rating is 540,000 lbf (2,400 kN).
What materials are used in this bearing?
The bearing is crafted from through-hardened steel with a high-strength, two-piece machined brass cage.
What are the dimensional specifications?
Bore Diameter: 18.8976 in (480 mm), Outer Diameter: 25.5906 in (650 mm), Total Width: 4.0551 in (103 mm).
What is the operating temperature range?
Efficiently operates between -40 to 250°F (-40 to 120°C).
What are common applications for this bearing?
Common applications include mining equipment, construction machinery, industrial gearboxes, and steel mills.
How should the bearing be installed and maintained?
Ensure cleanliness, use proper tools, and ensure accurate alignment during installation. Regularly inspect, lubricate, and protect from contaminants during maintenance.
By understanding the detailed features and benefits of the NTN 29296 X-Large Spherical Roller Bearing, industrial professionals can make informed decisions to enhance the efficiency and longevity of their machinery.