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The 7218 CD/P4ADBB is a super precision angular contact ball bearing with a 90mm bore and 160mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 46800 lbf and reaches speeds of 17000 RPM, making it suitable for high-performance applications.
Its 15° contact angle and light preload ensure smooth operation, while the phenolic cage offers stability under stress. The open design allows for easy lubrication, extending its lifespan.
This matched set of two bearings (DB arrangement) is ideal for machine tools or spindles where precision is key. It operates in temperatures from -30°C to 110°C, maintaining reliability in varied conditions.
Weighing 4.53kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for convenient replacements.
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Why Choose 7218 CD/P4ADBB Bearing for Precision Tasks?
7218 CD/P4ADBB Bearing features a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel construction ensures durability and consistent performance in high-speed applications.
The matched arrangement of two bearings (DB) provides enhanced stability and load distribution.
With a maximum speed of 17,000 rpm, it excels in precision machinery and demanding environments.
Phenolic cage material reduces friction and wear, contributing to smoother operation.
The P4A tolerance class guarantees high precision, making it suitable for critical applications.
Light preload (Class B) ensures optimal performance without excessive rigidity.
Its open design allows for easy lubrication, maintaining efficiency over time.
Industrial Uses of 7218 CD/P4ADBB Bearing
7218 CD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under heavy radial and axial loads.
Where Is 7218 CD/P4ADBB Bearing Used?
In automotive applications, 7218 CD/P4ADBB Bearing supports high-speed components like turbochargers and transmission systems. Its phenolic cage reduces friction, enhancing efficiency in demanding conditions.
Optimized for Performance: 7218 CD/P4ADBB Bearing
For robotics and automation, 7218 CD/P4ADBB Bearing offers smooth motion control in robotic arms and CNC machines. The P4A tolerance class ensures consistent performance in precision tasks.
Medical vs Industrial: Where 7218 CD/P4ADBB Bearing Excels
In medical imaging devices, 7218 CD/P4ADBB Bearing’s chrome steel construction provides reliable operation under continuous use. Industrial applications benefit from its durability in pumps and compressors.
Light-Duty vs Heavy-Duty: Best Uses for 7218 CD/P4ADBB Bearing
For light-duty applications like dental drills, 7218 CD/P4ADBB Bearing ensures quiet and precise operation. Heavy-duty uses include wind turbine gearboxes, where its high load capacity is essential.
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