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The 71904 CEGA/HCPA9A is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, measuring just 9mm wide. Made from chrome steel with ceramic balls, it offers smooth operation and durability.
It handles radial loads up to 1112 lbf and spins at speeds up to 100,000 RPM, ideal for high-performance applications. The extra light preload ensures minimal friction and precise movement.
The open design allows easy lubrication, while the phenolic cage provides stability. Suitable for temperatures from -30°C to 110°C, it works well in demanding environments.
This bearing is universal matching, allowing arrangements like back-to-back or face-to-face. Perfect for precision machinery, spindles, or high-speed tools where accuracy is key. Weighing only 0.032kg, it’s lightweight yet robust.
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Performance Features of 71904 CEGA/HCPA9A Bearing
71904 CEGA/HCPA9A Bearing is designed with a 15° contact angle, optimising performance in angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, ensuring smooth operation at high speeds.
The phenolic cage maintains ball alignment, enhancing durability under dynamic radial loads up to 1112 lbf.
With a maximum speed of 100,000 rpm, it excels in precision tasks requiring high rotational accuracy.
71904 CEGA/HCPA9A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) minimises vibration, making it ideal for sensitive equipment.
The open design allows for easy lubrication, extending maintenance intervals.
Weighing just 0.032 kg, it offers a lightweight solution without compromising strength.
Industrial Uses of 71904 CEGA/HCPA9A Bearing
71904 CEGA/HCPA9A Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup.
The extra light preload ensures smooth operation in precision grinding applications, making it a reliable choice for industrial settings.
Where Is 71904 CEGA/HCPA9A Bearing Used?
You’ll find 71904 CEGA/HCPA9A Bearing in dental drills and surgical tools, where its high-speed capability and low vibration are essential.
The chrome steel rings provide durability, while the ceramic balls enhance performance in sterile environments.
Optimized for Performance: 71904 CEGA/HCPA9A Bearing
71904 CEGA/HCPA9A Bearing excels in robotics, particularly in articulated arms requiring precise angular contact.
Its lightweight design and high-speed tolerance make it ideal for automated assembly lines.
Automotive vs Aerospace: Applications of 71904 CEGA/HCPA9A Bearing
In automotive systems, 71904 CEGA/HCPA9A Bearing supports turbochargers, benefiting from its high-speed and temperature resistance.
For aerospace, it’s used in gyroscopes and navigation systems, where precision and reliability are critical.
Practical Applications of 71904 CEGA/HCPA9A Bearing
71904 CEGA/HCPA9A Bearing is a great fit for 3D printers, ensuring smooth linear motion with minimal backlash.
The open design allows for easy lubrication, extending its lifespan in continuous operation.
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