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The 728 CD/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 835 lbf and spins at impressive speeds up to 130,000 RPM.
Its 15° contact angle and ceramic balls reduce friction, while the phenolic cage ensures smooth operation. The open design allows easy lubrication, and it’s available with preload for precise applications.
This bearing is ideal for high-speed machinery like spindles or CNC tools where accuracy is crucial. It operates in temperatures from -30°C to 110°C and meets P4 tolerance standards for reliable performance.
Weighing just 0.015kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a practical choice for replacements or upgrades.
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Performance Features of 728 CD/HCP4A Bearing
728 CD/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The ceramic balls and chrome steel rings enhance durability, while the phenolic cage ensures smooth operation.
With a dynamic radial load capacity of 835 lbf, it handles high-speed applications up to 130,000 rpm.
Its P4 tolerance class (ABEC-7) guarantees precision, making it suitable for demanding tasks.
The open seal design allows for easy lubrication, maintaining performance in temperatures from -30° to 110°C.
This bearing is available in matched arrangements, offering flexibility for various setups.
Common Applications of 728 CD/HCP4A Bearing
728 CD/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 demanding machining tasks.
In robotics, 728 CD/HCP4A Bearing supports articulated arms, providing smooth movement and long service life. Its phenolic cage offers lightweight durability, perfect for repetitive motions.
For dental drills, 728 CD/HCP4A Bearing’s P4 tolerance guarantees quiet, vibration-free operation. The lubricated design also ensures consistent performance during prolonged use.
Where Is 728 CD/HCP4A Bearing Used?
You’ll often find 728 CD/HCP4A Bearing in 3D printers, where its high-speed capability maintains print accuracy. The open seal allows for easy cleaning, which is handy in dusty environments.
In electric motors, 728 CD/HCP4A Bearing handles radial and axial loads efficiently. Its chrome steel rings provide reliable strength for continuous operation.
Built for Heavy-Duty Use: 728 CD/HCP4A Bearing
728 CD/HCP4A Bearing excels in conveyor systems, managing heavy loads with ease. The matched arrangement option ensures balanced performance in paired setups.
For packaging machinery, 728 CD/HCP4A Bearing’s 15° contact angle optimises load distribution. This reduces wear and extends the bearing’s lifespan in fast-paced production lines.
Automotive vs Aerospace: Applications of 728 CD/HCP4A Bearing
In automotive turbochargers, 728 CD/HCP4A Bearing withstands extreme RPMs thanks to its ceramic balls. The temperature range also suits both cold starts and hot running conditions.
Aerospace actuators benefit from 728 CD/HCP4A Bearing’s lightweight design and precision. Its ABEC-7 rating meets the strict tolerances required for flight control systems.
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