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The 7228 CD/P4A is a super precision angular contact ball bearing with a 140mm bore and 250mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 49725 lbf and operates smoothly at speeds up to 8500 RPM.
Its 15° contact angle and P4 tolerance class ensure excellent accuracy for demanding applications. The phenolic cage offers durability while keeping the bearing lightweight.
Preload options are available for enhanced performance in high-precision setups. Ideal for machine tools or spindle systems where precision and reliability are key.
Weighing 8.14kg, it’s built to last in temperatures from -30°C to 110°C. This model is interchangeable with SKF bearings, making replacements straightforward.
The open design allows for easy lubrication, ensuring long service life. A solid choice for engineers needing dependable angular contact performance.
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Performance Features of 7228 CD/P4A Bearing
7228 CD/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strong resistance to both dynamic and static radial loads, reaching up to 49725 lbf and 54000 lbf respectively.
The phenolic cage ensures smooth operation at high speeds, with a maximum of 8,500 rpm.
With a precision tolerance class of P4 (ABEC-7), it delivers reliable performance in demanding conditions.
Key Fields for 7228 CD/P4A Bearing
In industrial settings, 7228 CD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate radial and axial load handling. The open seal type allows for efficient lubrication, extending its service life in demanding conditions.
Where Is 7228 CD/P4A Bearing Used?
You’ll often find 7228 CD/P4A Bearing in automotive applications like electric motor systems, where its 15° contact angle provides stability under combined loads. Its compatibility with SKF models makes it a versatile choice for various vehicle designs.
Built for Heavy-Duty Use: 7228 CD/P4A Bearing
For robotics and automation, 7228 CD/P4A Bearing’s phenolic cage reduces friction, making it ideal for high-speed robotic arms. The P4 tolerance class ensures smooth, precise movement in repetitive tasks.
Medical vs Industrial: Where 7228 CD/P4A Bearing Excels
In medical imaging devices, 7228 CD/P4A Bearing’s chrome steel construction offers reliability for precise movements. Meanwhile, in industrial pumps, its dynamic radial load capacity handles continuous operation with ease.
Practical Applications of 7228 CD/P4A Bearing
For consumer electronics like high-end printers, 7228 CD/P4A Bearing’s low friction and quiet operation enhance performance. The metric dimensions ensure easy integration into compact, precision-driven designs.
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