Quick Summary:
Price:$53,036.40
SKU: 5049059
Pros:
- High Load Capacity: Capable of handling extremely high axial and radial loads.
- Durability: Constructed from through-hardened steel with a brass cage for extended life.
- Temperature Range: Operates efficiently in a wide temperature range from -40 to 250°F.
- Speed Capability: Functions well at speeds up to 550 RPM with oil lubrication.
- Versatility: Suitable for various demanding applications like mining, construction, and industrial gearboxes.
Cons:
- Weight: At 217.376 lb, the bearing is heavy, which may require special handling equipment.
- Cost: High-performance bearings like the NTN 29296 can be expensive.
NTN 29296 X-Large Spherical Roller Bearing Review
Introduction
In the realm of industrial applications, selecting the right bearings is crucial for optimizing performance, reliability, and minimizing maintenance expenses. One exceptional option is the NTN 29296 Bearings Review. Renowned for its robust design, high load capacity, and adaptability to demanding environments, this bearing is a standout choice. This comprehensive review delves into the specifications, features, applications, and overall performance of the NTN 29296.
Key Specifications and Technical Data
The NTN 29296 is a spherical thrust roller bearing crafted for heavy-duty applications. Below are its primary 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
Accurate dimensional details are vital for ensuring a proper fit and function in various 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 bearing is engineered to handle exceptionally high axial and radial loads. This capability makes it ideal for heavy machinery and industrial applications where reliability and durability are essential.
Durability
Constructed from through-hardened steel and featuring a brass cage, this bearing offers exceptional resistance to wear and tear. Its robust construction ensures a long service life even under harsh operating conditions.
High-Strength Cage
The high-strength, two-piece machined brass cage provides superior guidance to the rollers, reducing friction and heat generation. This design enhances the bearing's performance and extends its operational life.
Temperature Range
With an operating temperature range of -40 to 250°F (-40 to 120°C), the NTN 29296 is suitable for a wide range of environments. This versatility makes it an excellent choice for industries such as mining, construction, and heavy machinery.
Speed Capability
The bearing can operate at speeds up to 550 RPM when lubricated with oil. This speed capability, combined with its load-carrying capacity, makes it suitable for dynamic applications where both high loads and speeds are present.
Applications
The NTN 29296 X-Large Spherical Roller Bearing is suitable for a variety of demanding applications, including:
Mining Equipment
Heavy-duty bearings are essential in mining operations, where equipment is subjected to extreme loads and harsh conditions.
Construction Machinery
Cranes, excavators, and other construction equipment benefit from the high load capacity and durability of spherical roller bearings.
Industrial Gearboxes
These bearings can handle the significant axial and radial loads found in industrial gearboxes, ensuring smooth and reliable operation.
Steel Mills
The harsh environment of steel mills requires bearings that can withstand high temperatures and heavy loads, making the NTN 29296 a suitable choice.
Performance
The NTN 29296 excels in performance due to its high-quality materials and precise engineering. Its ability to handle substantial loads without compromising on speed makes it a reliable component in critical applications. The bearing's open enclosure allows for easy inspection and maintenance, ensuring that it remains in optimal condition throughout its service life.
Installation and Maintenance
Proper installation and maintenance are crucial for maximizing the performance and longevity of the NTN 29296 bearing. Here are some tips:
Installation
- Cleanliness: Ensure that the bearing and its housing are clean and free from contaminants before installation.
- Proper Tools: Use the correct tools and techniques to avoid damaging the bearing during installation.
- Alignment: Ensure that the bearing is correctly aligned to prevent uneven load distribution and premature wear.
Maintenance
- Regular Inspection: Periodically inspect the bearing for signs of wear, damage, or lubrication issues.
- Lubrication: Use the appropriate type and amount of lubricant to reduce friction and wear.
- Environment: Protect the bearing from contaminants such as dust, dirt, and moisture.
NTN 29296 X-Large Spherical Roller Bearing Review Conclusion
The NTN 29296 X-Large Spherical Roller Bearing is a high-performance component designed for demanding industrial applications. Its robust construction, high load capacity, and wide operating temperature range make it an ideal choice for industries requiring reliable and durable bearings. Proper installation and maintenance will ensure that this bearing provides optimal performance and a long service life, making it a valuable investment for any heavy-duty application.
FAQ 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 made 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?
The bearing operates efficiently 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 correct alignment during installation. Regularly inspect, lubricate, and protect the bearing from contaminants during maintenance.