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The 728 ACD/HCP4A is a super precision angular contact ball bearing with an 8mm bore and 24mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 806 lbf and reaches speeds of 120,000 RPM, thanks to its ceramic balls and phenolic cage.
With a 25° contact angle and P4 tolerance class, it offers high accuracy for demanding applications. The open design allows easy lubrication, ensuring smooth operation even at high speeds.
This bearing is ideal for precision machinery like spindles or CNC tools where low friction and tight tolerances are crucial. Its lightweight design (0.015kg) makes it suitable for compact setups.
Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades. Works well in temperatures from -30°C to 110°C, making it versatile for various environments.
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How Does 728 ACD/HCP4A Bearing Achieve Super Precision?
728 ACD/HCP4A Bearing features a 25° contact angle, ensuring optimal load distribution for high-precision applications.
Its ceramic balls and chrome steel rings reduce friction, enabling smooth operation at speeds up to 120,000 rpm.
The phenolic cage maintains ball alignment, enhancing durability and performance.
With a P4 tolerance class, it meets stringent precision requirements for demanding tasks.
Essential Roles of 728 ACD/HCP4A Bearing
728 ACD/HCP4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.
In robotics, 728 ACD/HCP4A Bearing supports articulated arms, providing stability and durability in repetitive movements. Its phenolic cage offers lightweight performance, enhancing efficiency in automated systems.
For dental drills and surgical tools, 728 ACD/HCP4A Bearing’s P4 tolerance class guarantees consistent performance. The open design allows for easy lubrication, extending service life in critical medical environments.
Where Is 728 ACD/HCP4A Bearing Used?
You’ll often find 728 ACD/HCP4A Bearing in 3D printers, where its high-speed capability ensures precise layering. The matched arrangement option also makes it suitable for dual-bearing setups in advanced printing systems.
In electric vehicle motors, 728 ACD/HCP4A Bearing handles radial and axial loads efficiently. Its chrome steel rings and ceramic balls provide a balance of strength and reduced heat generation.
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