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The QJ 304 MA is a four-point contact angular contact ball bearing with a 20mm bore and 52mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 7200 lbf and spins smoothly at speeds up to 24000 RPM.
Its single-row design with a brass cage offers stability and reduces friction, making it suitable for high-speed applications. The open seal type allows for easy lubrication and maintenance.
This bearing is interchangeable with SKF models, providing a reliable alternative for replacements. Ideal for use in gearboxes, pumps, or machinery where radial and axial loads are present.
Weighing just 0.18kg, it’s lightweight yet robust, and operates efficiently in temperatures from -30°C to 110°C. Compliant with RoHS and REACH standards for safe usage.
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Performance Features of QJ 304 MA Bearing
QJ 304 MA Bearing is built with chrome steel rings and balls, offering excellent resistance to radial loads.
Its dynamic radial load capacity reaches 7200 lbf, ensuring reliable performance in various applications.
The brass cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 24,000 rpm, it delivers both efficiency and longevity.
QJ 304 MA Bearing operates smoothly in temperatures ranging from -30° to 110 °C.
Its open design allows for easy lubrication, ensuring consistent performance over time.
The precise P6 tolerance class ensures high accuracy, making it suitable for demanding tasks.
Its compact size and robust construction make it ideal for space-constrained applications.
Key Fields for QJ 304 MA Bearing
QJ 304 MA Bearing is commonly used in industrial machinery, especially in applications where high radial and axial loads are present, like gearboxes and pumps. Its four-point contact design ensures stability and smooth operation even under heavy loads.
In automotive systems, QJ 304 MA Bearing is ideal for components such as wheel hubs and transmissions, where its durability and precision are key. The metric sizing makes it a versatile choice for various vehicle models.
For automation and robotics, QJ 304 MA Bearing provides reliable performance in mechanical arms and precision tools. The brass cage enhances its wear resistance, making it suitable for high-speed operations.
In medical equipment, QJ 304 MA Bearing’s chrome steel construction ensures consistent performance in devices like surgical robots. Its open design allows for easy maintenance, which is crucial in medical settings.
For consumer electronics, QJ 304 MA Bearing is often found in printers and small appliances, where its compact size and efficiency are beneficial. The lubricated design helps reduce noise and friction during operation.
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