QJ 219 N2MA
Manufacturer: SKF
Part Number: QJ 219 N2MA
| Attribute | Value |
| cate_name | Pneumatic & Hydraulic Tools |
Overview:
The SKF QJ 219 N2MA is a high-precision, single-row, four-point contact ball bearing designed for applications that demand high load carrying capacity and precision. It is part of the SKF QJ series, known for their robust construction and reliability in diverse industrial settings.
Features:
- Single-Row Design: Offers a compact solution for applications with space constraints.
- Four-Point Contact: Provides superior load distribution and higher stiffness compared to standard ball bearings.
- High-Precision Manufacturing: Ensures consistent performance and long service life.
- Sealed and Greased: Comes pre-lubricated with long-life grease, reducing maintenance requirements.
- N2MA Designation: Indicates specific features such as a steel cage and certain manufacturing tolerances.
Development Support:
SKF provides comprehensive support during the development phase of any project involving their bearings. This includes:
- Technical Consultation: Expert advice on bearing selection and application-specific solutions.
- Customization Options: Tailoring bearing specifications to meet unique project requirements.
- Simulation Tools: Advanced software for predicting bearing performance under various operating conditions.
Application Fields:
The SKF QJ 219 N2MA is suitable for a wide range of applications due to its robust design and high load capacity, including:
- Industrial Machinery: Such as conveyor systems, pumps, and compressors.
- Automotive Sector: Particularly in the suspension systems of heavy-duty vehicles.
- and Defense: For equipment requiring high reliability and precision.
- Construction Equipment: In heavy machinery that operates under harsh conditions.
Parameter Introduction:
- Bore Diameter (d): 95 mm
- Outer Diameter (D): 170 mm
- Width (B): 32 mm
- Dynamic Load Rating (C): Up to 95 kN
- Static Load Rating (C0): Up to 122 kN
- Limiting Speeds: Consult SKF documentation for specific speed limits.
Frequently Asked Questions (FAQs):
1. Q: What is the difference between a QJ series bearing and a standard deep groove ball bearing?
A: The QJ series bearings, including the QJ 219 N2MA, feature a four-point contact design that provides higher load carrying capacity and stiffness compared to standard deep groove ball bearings.
2. Q: Can the QJ 219 N2MA be used in high-speed applications?
A: While the QJ 219 N2MA is designed for high load applications, its suitability for high-speed applications should be verified with SKF's speed calculation tools or by consulting with a technical expert.
3. Q: Is the QJ 219 N2MA suitable for applications with high temperature variations?
A: The bearing material and design can handle a range of temperatures, but for applications with extreme temperature variations, it's recommended to consult with SKF to ensure the bearing can perform reliably.
4. Q: How should maintenance be performed on the QJ 219 N2MA bearing?
A: The QJ 219 N2MA comes pre-lubricated with long-life grease, reducing the need for frequent lubrication. However, regular inspections and maintenance should be performed according to SKF's maintenance guidelines.
5. Q: Can I get a custom version of the QJ 219 N2MA with specific modifications?
A: SKF offers customization options for their bearings. Contact SKF for details on how to specify custom requirements for your application.
For more detailed information, technical specifications, and to discuss your application requirements, it's recommended to reach out to SKF directly or visit their official website for comprehensive support and resources.
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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