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The 7218 CD/P4ADBC is a super precision angular contact ball bearing with a 90mm bore and 160mm outer diameter, crafted from durable chrome steel. It handles both radial and angular loads, with a dynamic radial load capacity of 46800 lbf.
Designed for high-speed operations, it can reach up to 17000 RPM and works well in temperatures from -30°C to 110°C. The phenolic cage ensures smooth performance, while the open design allows easy lubrication.
This bearing comes in a matched set of two, arranged back-to-back for balanced load distribution. Ideal for precision machinery like spindles or CNC equipment where accuracy is key.
Weighing 4.53kg, it’s robust yet suitable for applications requiring tight tolerances and moderate preload. Compliant with P4A standards for reliable performance.
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Why Choose 7218 CD/P4ADBC Bearing for Precision Tasks?
7218 CD/P4ADBC Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load capacity of 46,800 lbf, it performs reliably in high-speed applications.
The P4A tolerance class guarantees consistent accuracy, making it suitable for demanding tasks.
Designed for moderate preload, 7218 CD/P4ADBC Bearing maintains stability under varying loads.
Its matched arrangement of two bearings enhances performance in angular contact applications.
The maximum speed of 17,000 rpm ensures efficiency without compromising on precision.
Operating between -30°C to 110°C, it adapts to a wide range of industrial environments.
Industrial Uses of 7218 CD/P4ADBC Bearing
This bearing is commonly used in high-speed machine tools, where its angular contact design helps manage both radial and axial loads efficiently. The matched arrangement ensures stability during precision operations like milling or grinding.
Where Is 7218 CD/P4ADBC Bearing Used?
You’ll often find it in automotive transmissions, supporting smooth gear shifts and reducing friction. Its moderate preload and phenolic cage make it reliable for long-term use in demanding conditions.
Built for Heavy-Duty Use: 7218 CD/P4ADBC Bearing
In robotics, this bearing excels in articulated arms, providing precise movement and durability. The chrome steel construction handles repetitive motions without compromising performance.
Automotive vs Aerospace: Applications of 7218 CD/P4ADBC Bearing
While it’s great for car gearboxes, it also fits aerospace applications like helicopter rotor systems. The P4A tolerance class ensures accuracy even under extreme conditions.
Perfect Fit for Automation: 7218 CD/P4ADBC Bearing
In automated production lines, this bearing keeps conveyor systems running smoothly. Its open design allows for easy lubrication, reducing downtime in busy factories.
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