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The QJ 1244 N2MA is a four-point contact angular contact ball bearing with a 220mm bore and 400mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 133200 lbf and operates smoothly at speeds up to 2600 RPM.
Its single-row design and brass cage ensure durability, while the open construction allows for easy lubrication. The bearing performs reliably in temperatures ranging from -30°C to 110°C.
This model is interchangeable with SKF bearings, making it a practical choice for replacements. Suitable for heavy-duty applications like industrial gearboxes or large machinery where high radial loads are present.
Weighing 45.5kg, it’s built to handle demanding conditions while meeting RoHS and REACH standards for safety.
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How Does QJ 1244 N2MA Bearing Handle Heavy Loads?
QJ 1244 N2MA Bearing is built with chrome steel rings and balls, offering strong resistance to heavy radial loads.
Its dynamic radial load capacity reaches 133200 lbf, ensuring reliable performance in demanding applications.
The brass cage keeps the balls aligned, reducing wear and extending service life.
With a maximum speed of 2,600 rpm, it balances durability and efficiency.
Performance Features of QJ 1244 N2MA Bearing
QJ 1244 N2MA Bearing features a four-point contact design, providing excellent load distribution.
The chrome steel construction ensures durability and resistance to wear in high-stress conditions.
Its precision engineering allows smooth operation even under heavy loads.
The open seal type simplifies maintenance and lubrication.
Built for Reliability: QJ 1244 N2MA Bearing
QJ 1244 N2MA Bearing is designed for long-lasting performance in tough environments.
The brass cage enhances stability and reduces friction during operation.
With a temperature range of -30° to 110°C, it performs well in various conditions.
Its P6 tolerance class ensures precision and reliability.
Industrial Uses of QJ 1244 N2MA Bearing
QJ 1244 N2MA Bearing is commonly used in heavy machinery, such as large-scale conveyor systems and industrial gearboxes, where its four-point contact design handles combined radial and axial loads efficiently.
The brass cage ensures smooth operation even under high stress, making it suitable for continuous use in demanding environments.
What Makes QJ 1244 N2MA Bearing a Preferred Choice?
In wind turbines, QJ 1244 N2MA Bearing’s robust construction and high load capacity make it ideal for supporting rotor shafts.
The P6 tolerance class ensures precision, which is critical for maintaining performance in renewable energy applications.
Built for Heavy-Duty Use: QJ 1244 N2MA Bearing
QJ 1244 N2MA Bearing excels in mining equipment, where its chrome steel rings and brass cage withstand harsh conditions.
The lubricated design reduces friction, extending the bearing’s lifespan in abrasive environments.
Automotive vs Aerospace: Applications of QJ 1244 N2MA Bearing
In automotive applications, QJ 1244 N2MA Bearing is often found in large truck transmissions, providing reliable load support.
For aerospace, its precision and durability make it suitable for auxiliary systems in aircraft, though weight considerations are key.
Perfect Fit for Automation: QJ 1244 N2MA Bearing
QJ 1244 N2MA Bearing is used in robotic arms and automated assembly lines, where its high-speed capability and stability are essential.
The metric sizing ensures compatibility with a wide range of industrial automation components.
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