7000 CE/P4ADT
7000 Series Super Precision Angular Contact Ball Bearings
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7000 CE/P4ADT Bearing Product Overview & Core Advantages
The 7000 CE/P4ADT is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This duplex tandem (DT) arrangement features two bearings preloaded against each other, delivering superior axial rigidity and the ability to handle significant combined loads. Manufactured to the exacting P4A tolerance class, it is engineered for high-speed operation and is pre-lubricated for immediate use, making it an ideal solution for high-performance spindles and precision machinery.
7000 CE/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7000 | Basic bearing series, indicating a metric angular contact design. |
| CE | Indicates a 15° contact angle, optimized for high-speed applications with predominant axial loads. |
| P4A | The tolerance class, signifying very high precision in dimensions and running accuracy. |
| DT | Denotes a Duplex Tandem matched set of two bearings, designed to share axial loads in the same direction and increase axial load capacity. |
7000 CE/P4ADT Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex tandem arrangement and 15° contact angle create a system with exceptionally high axial and radial rigidity, capable of withstanding heavy combined loads.
High-Speed Performance: The phenolic resin cage is lightweight and robust, contributing to lower centrifugal forces and stable operation at the high limiting speed of 185,000 rpm. The optimized internal geometry further enhances high-speed capability.
Precision Engineering: As a P4A class bearing, it features extremely tight dimensional and running tolerances, ensuring minimal vibration and superior positioning accuracy in the most demanding applications.
Pre-Lubricated & Ready-to-Use: The bearing comes lubricated from the factory, simplifying installation and ensuring immediate, reliable performance.
7000 CE/P4ADT Bearing Typical Application Areas
This high-precision, high-speed bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Instrumentation: Measuring devices and optical equipment requiring minimal runout.
- High-Frequency Motors: Spindles for PCB drilling and other high-RPM electric motors.
- Robotics: High-accuracy joints and arms.
