NA 4908.2RS
Manufacturer: SKF
Part Number: NA 4908.2RS
| Attribute | Value |
| cate_name | Pneumatic & Hydraulic Tools |
Overview:
The SKF NA 4908.2RS needle bearing is a high-precision, low-friction bearing designed for applications requiring high loads and minimal space. It is part of the Needle Assembly (NA) series, which combines the benefits of needle bearings with the convenience of a pre-assembled housing.
Features:
1. Low Friction: Needle bearings have a high load-carrying capacity for their size and offer low friction, making them ideal for applications where energy efficiency is critical.
2. High Load Capacity: The design allows for both radial and axial loads, providing versatility in various mechanical systems.
3. Sealed Design: The 2RS suffix indicates that the bearing has two contact seals, which protect the bearing from contaminants and extend its service life.
4. Precision Manufacturing: SKF's precision manufacturing processes ensure consistent quality and reliability.
5. Easy Maintenance: The sealed design simplifies maintenance and reduces the need for frequent lubrication.
Development Support:
SKF offers comprehensive support during the development phase of your project, including:
- Technical Consultation: Expert advice on bearing selection and application.
- Customization Options: Tailoring bearing solutions to meet specific application requirements.
- Simulation Tools: Advanced software for predicting bearing performance under various conditions.
Application Fields:
The SKF NA 4908.2RS is suitable for a wide range of applications, including:
- Automotive components
- Industrial machinery
- Agricultural equipment
- Construction machinery
- High-precision instruments
Parameter Introduction:
- Bore Diameter: The inner diameter of the bearing, accommodating the rotating shaft.
- Outer Diameter: The outer diameter, which interacts with the bearing housing.
- Width: The overall width of the bearing, affecting the load capacity and rigidity.
- Dynamic Load Rating: The maximum load that the bearing can withstand under dynamic conditions.
- Static Load Rating: The maximum load that the bearing can withstand under static conditions without deformation.
Frequently Asked Questions (FAQs):
1. Q: What is the difference between open and sealed needle bearings?
A: Open needle bearings do not have seals, which can be beneficial for applications where high-speed operation is required and heat dissipation is a concern. Sealed bearings, like the NA 4908.2RS, have contact seals that protect against contaminants and reduce maintenance requirements.
2. Q: How often should I lubricate my NA 4908.2RS bearing?
A: The sealed design of the NA 4908.2RS reduces the need for frequent lubrication. However, it's essential to follow the manufacturer's recommendations and consider the operating conditions of your specific application.
3. Q: Can I use this bearing in high-temperature environments?
A: While needle bearings can operate in a wide range of temperatures, it's crucial to consult with SKF to ensure that the materials and seals used in the NA 4908.2RS are suitable for your specific high-temperature application.
4. Q: What is the lifespan of an NA 4908.2RS bearing?
A: The lifespan of a bearing depends on various factors, including load, speed, lubrication, and operating environment. Proper installation, maintenance, and operation can significantly extend the service life of the NA 4908.2RS.
5. Q: How do I ensure proper installation of the NA 4908.2RS bearing?
A: Proper installation is critical for the performance and longevity of the bearing. It's recommended to follow SKF's installation guidelines, which may include using the correct tools, applying the right amount of force, and ensuring the housing is clean and free of contaminants.
For more detailed information, technical specifications, and to discuss your specific application requirements, contact SKF's technical support team.
Please refer to the product rule book for details.
SKF’s mission is to develop innovative solutions that meet or exceed the needs of its customers while operating sustainably and being responsible corporate citizens. The company’s vision is to equip the world with SKF knowledge to help customers achieve smooth, efficient, and reliable machinery performance. This is achieved through a combination of hands-on experience in over 40 industries and the development of high-performance products and services.
The company’s product portfolio is extensive and includes solutions for a wide range of industries such as automotive, , railway, , construction, and energy, among others. SKF’s bearing solutions include ball bearings, roller bearings, and bearing units, which are crucial for reducing friction and supporting rotational or linear movement. Their sealing solutions are designed to protect bearings from contaminants and to retain lubricants, thereby extending the life of the machines.
SKF’s mechatronics line combines mechanical elements with electronics, offering products such as actuators and ball screws that are integral to advanced machinery automation and control. The lubrication systems provided by SKF ensure that industrial machinery and equipment are continuously supplied with the right amount of lubricant at the right time, which is essential for the longevity and efficiency of the systems.
In addition to its product offerings, SKF provides a range of services aimed at helping businesses reduce their maintenance costs, increase productivity, and enhance the reliability and efficiency of their operations. These services include predictive maintenance, condition , asset management, and remanufacturing. SKF’s industry experts and engineers also provide valuable consultancy services that help businesses optimize their manufacturing processes and design more efficient machinery.
SKF is committed to sustainability and environmental stewardship. The company actively works to reduce its environmental impact through initiatives aimed at minimizing waste and emissions, conserving energy, and using sustainable materials. SKF also places a strong emphasis on social responsibility, promoting fair labor practices and contributing to the communities in which it operates.
With a presence in more than 130 countries and over 100 manufacturing sites worldwide, SKF is truly a global player. Its extensive network of service centers and distributors ensures that customers have access to SKF’s expertise and products no matter where they are located.
Through continuous innovation, a deep industry knowledge, and a commitment to quality and sustainability, SKF remains at the forefront of technology development in bearing and related technologies. The company’s dedication to improving machinery performance and reliability makes it a trusted partner for companies around the world, helping them achieve their operational objectives while contributing to a more sustainable future.
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