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The 7218 CDGB/P4A is a super precision angular contact ball bearing with a 90mm bore and 160mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for light preload applications, offering smooth operation at speeds up to 15,000 RPM.
With a dynamic radial load capacity of 28,575 lbf, this bearing is built to handle demanding conditions while maintaining precision. Its open design and phenolic cage ensure durability and easy maintenance, suitable for temperatures ranging from -30°C to 110°C.
This model is interchangeable with SKF bearings and comes in a universal matching set, allowing for flexible arrangements like back-to-back or face-to-face. Ideal for high-precision machinery, such as CNC spindles or medical equipment, where accuracy and reliability are crucial.
Weighing 2.27kg, it’s a robust choice for industrial applications. Compliant with P4A tolerance standards, it delivers consistent performance under radial loads.
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Performance Features of 7218 CDGB/P4A Bearing
7218 CDGB/P4A Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.
Its 15° contact angle ensures efficient load distribution, enhancing performance in high-speed operations.
The phenolic cage maintains ball alignment, reducing friction and wear for smoother operation.
With a dynamic radial load capacity of 28,575 lbf, it handles demanding conditions reliably.
Why Choose 7218 CDGB/P4A Bearing for Precision Tasks?
7218 CDGB/P4A Bearing’s P4A tolerance class guarantees exceptional accuracy, ideal for precision machinery.
Its open design allows for easy lubrication, ensuring consistent performance over time.
The bearing supports speeds up to 15,000 rpm, making it suitable for high-speed applications.
Chrome steel construction provides durability, even in challenging environments.
Engineered for Precision: 7218 CDGB/P4A Bearing
7218 CDGB/P4A Bearing features a light preload (Class B), optimising performance for angular contact loads.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.
The bearing operates smoothly within a temperature range of -30°C to 110°C, ensuring reliability.
With 16 balls of 22.225 mm diameter, it balances load capacity and rotational efficiency.
How Does 7218 CDGB/P4A Bearing Reduce Friction?
7218 CDGB/P4A Bearing’s phenolic cage minimises friction, contributing to quieter and smoother operation.
Precision-ground raceways ensure even load distribution, reducing wear and extending service life.
The open seal type facilitates effective lubrication, further lowering friction levels.
Its high-quality chrome steel components resist wear, maintaining performance over time.
Steel vs Ceramic Bearings: Strengths of 7218 CDGB/P4A Bearing
7218 CDGB/P4A Bearing’s chrome steel construction offers a robust balance of strength and affordability.
It provides excellent load capacity (28,575 lbf dynamic radial load) without the brittleness of ceramic options.
The material choice ensures reliable performance in varied temperature conditions (-30°C to 110°C).
With its phenolic cage, it delivers smooth operation comparable to more expensive alternatives.
Industrial Uses of 7218 CDGB/P4A Bearing
7218 CDGB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it suitable for applications demanding minimal vibration.
In automotive systems, 7218 CDGB/P4A Bearing supports high-speed components like turbochargers and electric motors. Its chrome steel construction provides durability under both radial and axial loads.
For robotics, 7218 CDGB/P4A Bearing offers reliable performance in articulated arms and rotary joints. The phenolic cage reduces friction, enhancing efficiency in repetitive movements.
Medical imaging devices benefit from 7218 CDGB/P4A Bearing’s precision and smooth operation. The open design allows for easy lubrication, ensuring long service life in critical applications.
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