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The 71904 ACDGB/HCP4A is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from high-quality chrome steel. Its compact 9mm width makes it suitable for tight spaces, while the ceramic balls ensure smooth operation.
With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 1287 lbf dynamically. It spins at impressive speeds up to 75,000 RPM, ideal for high-performance applications.
The phenolic cage reduces friction and wear, enhancing durability. This bearing is lubricated for easy maintenance and operates reliably in temperatures from -30°C to 110°C.
Perfect for precision machinery like spindles or dental tools, it’s interchangeable with SKF bearings. Weighing just 0.033kg, it’s lightweight yet robust, meeting P4A tolerance standards for accuracy.
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How Does 71904 ACDGB/HCP4A Bearing Achieve High-Speed Performance?
71904 ACDGB/HCP4A Bearing features ceramic balls and a phenolic cage, reducing friction for smooth high-speed operation.
Its 25° contact angle ensures optimal load distribution, enhancing precision in angular contact applications.
With a maximum speed of 75,000 rpm, it excels in demanding high-speed environments.
The P4A tolerance class guarantees consistent performance and reliability.
Common Applications of 71904 ACDGB/HCP4A Bearing
71904 ACDGB/HCP4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The ceramic balls reduce friction, making it ideal for applications demanding smooth rotation.
In robotics, 71904 ACDGB/HCP4A Bearing supports articulated arms, providing stability and durability in repetitive movements. Its light preload and P4A tolerance class enhance precision in automated tasks.
For dental drills and other medical devices, 71904 ACDGB/HCP4A Bearing’s phenolic cage and chrome steel rings offer reliable operation. The open design allows for easy lubrication, extending service life in critical environments.
Where Is 71904 ACDGB/HCP4A Bearing Used?
You’ll often find 71904 ACDGB/HCP4A Bearing in CNC machinery, where its high-speed capability and low heat generation are essential. The metric sizing ensures compatibility with a range of industrial equipment.
In electric motors, 71904 ACDGB/HCP4A Bearing handles radial and axial loads efficiently, thanks to its 25° contact angle. The ceramic balls also help reduce energy loss, improving overall motor performance.
Built for Heavy-Duty Use: 71904 ACDGB/HCP4A Bearing
71904 ACDGB/HCP4A Bearing excels in aerospace applications, such as turbine systems, where its lightweight and high-speed tolerance are crucial. The phenolic cage withstands extreme conditions without compromising performance.
For printing machinery, 71904 ACDGB/HCP4A Bearing ensures precise paper handling and consistent print quality. Its open design allows for easy maintenance, reducing downtime in busy production environments.
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