QJ 228 N2MA
Manufacturer: SKF
Part Number: QJ 228 N2MA
| Attribute | Value |
| cate_name | Pneumatic & Hydraulic Tools |
The SKF QJ 228 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's QJ series, known for their robustness and reliability in various industrial settings.
Features of SKF QJ 228 N2MA
1. Four-Point Contact: Provides increased load-carrying capacity and stiffness.
2. Single-Row Design: Simplifies installation and reduces space requirements.
3. High Precision: Ensures minimal tolerances for accurate performance.
4. Sealed for Protection: The N2MA designation indicates a double-sealed design, protecting the bearing from contaminants and extending service life.
5. C3 Clearance: Offers a moderate radial internal clearance, suitable for most applications.
Development Support
SKF provides comprehensive support throughout the development process, including:
- Technical Consultation: Expert advice on bearing selection and application.
- Customization Options: Tailoring bearing solutions to meet specific project requirements.
- Simulation Tools: Advanced software for predicting bearing performance under various conditions.
Application Fields
The SKF QJ 228 N2MA is suitable for a wide range of applications due to its robust design and high precision, including:
- Industrial Machinery: Such as conveyor systems, pumps, and compressors.
- Marine Equipment: For use in harsh marine environments where reliability is crucial.
- Agricultural Machinery: In heavy-duty farming equipment that requires high load-bearing capacity.
- Construction Equipment: For use in excavators, cranes, and other heavy machinery.
Parameters Introduction
- Bore Diameter: 140 mm
- Outer Diameter: 250 mm
- Width: 42 mm
- Dynamic Load Rating (C): Up to 670 kN
- Static Load Rating (C0): Up to 770 kN
- Limiting Speeds: Depends on the specific application and operating conditions.
Frequently Asked Questions (FAQs)
1. Q: What is the difference between the QJ series and other ball bearing series?
A: The QJ series features four-point contact, which provides higher load-carrying capacity and stiffness compared to standard single-row deep groove ball bearings.
2. Q: How do I ensure the correct installation of the SKF QJ 228 N2MA?
A: Proper installation is crucial for bearing performance. Consult the SKF installation guide for detailed instructions, or seek assistance from a qualified technician.
3. Q: Can the SKF QJ 228 N2MA be used in high-speed applications?
A: While the QJ 228 N2MA is designed for high load-carrying capacity, its suitability for high-speed applications depends on the specific operating conditions and the bearing's limiting speeds.
4. Q: How does the double-sealed design benefit the bearing?
A: The double-sealed design (N2MA) protects the bearing from contaminants and moisture, reducing the risk of premature failure and extending the service life.
5. Q: Is there any maintenance required for the SKF QJ 228 N2MA?
A: Regular inspection and maintenance are recommended to ensure optimal performance and service life. This includes checking for signs of wear, temperature, and ensuring proper lubrication.
For more detailed information or specific inquiries regarding the SKF QJ 228 N2MA, it is advised to contact SKF directly or refer to the product's datasheet and technical documentation.
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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