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The 728 ACD/P4A is a super precision angular contact ball bearing with an 8mm bore and 24mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 806 lbf and spins smoothly at speeds up to 100,000 RPM.
Its 25° contact angle and phenolic cage ensure stable performance under angular loads, while the open design allows for easy lubrication. The bearing operates efficiently in temperatures from -30°C to 110°C.
This model is interchangeable with SKF bearings and comes with optional preload and matched arrangements for tailored setups. Ideal for high-precision applications like machine tools or spindle drives.
Weighing just 0.017kg, it’s lightweight yet robust, meeting P4 (ABEC-7) tolerance standards for exceptional accuracy.
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Performance Features of 728 ACD/P4A Bearing
728 ACD/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and phenolic cage ensure smooth operation at high speeds, up to 100,000 rpm.
The bearing’s precision P4 tolerance class guarantees consistent performance in demanding conditions.
With a dynamic radial load capacity of 806 lbf, it handles both radial and axial loads effectively.
728 ACD/P4A Bearing operates in temperatures from -30° to 110°C, suitable for various environments.
Its open design allows for easy lubrication, reducing friction and extending service life.
Common Applications of 728 ACD/P4A Bearing
728 ACD/P4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure smooth operation. The open seal type allows for easy lubrication, extending its lifespan in demanding environments.
In robotics, 728 ACD/P4A Bearing excels in articulated arms, providing reliable performance under dynamic loads. Its phenolic cage reduces friction, making it ideal for repetitive movements.
For medical imaging devices, 728 ACD/P4A Bearing’s P4 tolerance class guarantees accuracy in critical components. The chrome steel construction also ensures durability in sterile environments.
Where Is 728 ACD/P4A Bearing Used?
728 ACD/P4A Bearing is a go-to choice for CNC spindles, thanks to its high-speed capabilities and precise load handling. The matched arrangement option further enhances its performance in paired applications.
In aerospace systems, 728 ACD/P4A Bearing supports components like gyroscopes, where stability is paramount. Its lightweight design and high rpm rating make it a reliable fit for aviation technology.
Built for Heavy-Duty Use: 728 ACD/P4A Bearing
728 ACD/P4A Bearing performs well in industrial pumps, handling both radial and axial loads with ease. The 25° contact angle optimises load distribution for prolonged use.
For 3D printers, 728 ACD/P4A Bearing ensures precise movement in print heads, minimising vibration. Its phenolic cage also reduces noise, making it suitable for quiet operation.
Automotive vs Aerospace: Applications of 728 ACD/P4A Bearing
In automotive transmissions, 728 ACD/P4A Bearing provides smooth gear shifts, thanks to its angular contact design. The high-speed rating ensures reliability in performance vehicles.
For aerospace actuators, 728 ACD/P4A Bearing’s P4 tolerance class meets stringent precision requirements. Its lightweight construction also helps reduce overall system weight.
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