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The QJ 312 MA is a four-point contact angular contact ball bearing with a 60mm bore and 130mm outer diameter, crafted from sturdy chrome steel. It manages radial loads up to 35100 lbf and operates smoothly at speeds up to 9000 RPM.
Its single-row design with an open seal ensures easy lubrication, while the brass cage enhances durability. The bearing performs reliably in temperatures ranging from -30°C to 110°C.
This model is interchangeable with SKF bearings, offering a practical replacement option. Suitable for applications like gear systems or industrial machinery where radial and axial loads are present.
Weighing 2.15kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe and eco-friendly use.
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Why Choose QJ 312 MA Bearing for Precision Tasks?
QJ 312 MA Bearing features a four-point contact design, ensuring high precision and stability in angular applications.
Its chrome steel rings and balls provide excellent resistance to wear, maintaining performance under heavy radial loads.
The brass cage keeps the balls aligned, reducing friction and extending the bearing’s service life.
With a maximum speed of 9,000 rpm, it delivers reliable operation in high-speed environments.
QJ 312 MA Bearing operates efficiently in temperatures ranging from -30° to 110°C, suitable for various industrial conditions.
Its P6 tolerance class ensures consistent performance, making it ideal for precision machinery.
Key Fields for QJ 312 MA Bearing
QJ 312 MA Bearing is commonly used in industrial machinery, especially in applications like machine tools and conveyor systems where precise radial and axial load handling is needed. Its open design and brass cage ensure smooth operation in demanding environments.
In automotive applications, QJ 312 MA Bearing fits well in gearboxes and wheel hubs, providing reliable performance under high loads. The metric sizing makes it compatible with various vehicle models, ensuring versatility.
For automation systems, QJ 312 MA Bearing supports robotic arms and CNC machines, where its four-point contact design enhances stability. The chrome steel construction offers durability, making it suitable for continuous operation.
In medical equipment, QJ 312 MA Bearing is used in imaging devices and surgical tools, where precision and reliability are critical. The lubricated design helps maintain performance in high-use scenarios.
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