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The QJ 1252 N2MA is a four-point contact angular contact ball bearing with a 260mm bore and 480mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 166725 lbf and operates smoothly at speeds up to 2200 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 expected.
Weighing 78kg, it’s built to handle demanding conditions while meeting RoHS and REACH standards for safety.
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How Does QJ 1252 N2MA Bearing Handle Heavy Loads?
QJ 1252 N2MA Bearing is built with chrome steel rings and balls, offering strong resistance to heavy radial loads.
Its dynamic radial load capacity reaches 166725 lbf, ensuring reliable performance in demanding applications.
The brass cage maintains ball alignment, reducing friction and extending service life.
With a maximum speed of 2,200 rpm, it balances durability and efficiency in industrial settings.
Industrial Uses of QJ 1252 N2MA Bearing
QJ 1252 N2MA Bearing is commonly used in heavy machinery, such as large-scale conveyor systems and industrial presses, where its four-point contact design handles combined radial and axial loads efficiently. The brass cage ensures smooth operation even under high stress.
In automotive manufacturing, QJ 1252 N2MA Bearing supports robotic assembly arms, providing stability and precision during repetitive tasks. Its metric dimensions make it a reliable choice for European and Asian production lines.
For wind turbine applications, QJ 1252 N2MA Bearing’s chrome steel construction offers durability in harsh outdoor conditions. The open seal design allows for easy lubrication, extending the bearing’s service life in demanding environments.
Where Is QJ 1252 N2MA Bearing Used?
QJ 1252 N2MA Bearing is ideal for large rotating equipment like cranes and excavators, where its high load capacity ensures reliable performance. The P6 tolerance class guarantees precision in these critical applications.
In the aerospace sector, QJ 1252 N2MA Bearing is found in landing gear systems, where its ability to handle dynamic loads is essential. The brass cage reduces friction, enhancing operational smoothness.
Built for Heavy-Duty Use: QJ 1252 N2MA Bearing
QJ 1252 N2MA Bearing excels in steel mills, where its robust design withstands extreme temperatures and heavy loads. The chrome steel rings and balls provide long-lasting performance in these tough conditions.
For mining equipment, QJ 1252 N2MA Bearing’s large size and high load capacity make it a dependable choice. The lubricated design ensures minimal maintenance, even in dusty environments.
Automotive vs Aerospace: Applications of QJ 1252 N2MA Bearing
In automotive applications, QJ 1252 N2MA Bearing is used in heavy-duty trucks, supporting axles and transmissions with its high load-bearing capacity. The metric sizing ensures compatibility with global vehicle standards.
In aerospace, QJ 1252 N2MA Bearing is crucial for helicopter rotor systems, where precision and durability are paramount. The brass cage and chrome steel construction meet the stringent requirements of aviation standards.
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