7014 ACDTP/P4B
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7014 ACDTP/P4B Bearing Product Overview & Core Advantages
The 7014 ACDTP/P4B is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to a P4 (ABEC-7) tolerance class, it excels in handling combined loads, supporting significant radial and axial loads simultaneously. Its 25° contact angle is optimized for high axial load capacity. The bearing comes pre-lubricated and is available with a preload, ensuring immediate high-performance operation, minimal runout, and enhanced system stiffness in high-speed and high-precision environments.
7014 ACDTP/P4B Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 7014 | Basic bearing series and size designation | Defines the core dimensions: 70mm bore, 110mm OD, 20mm width. |
| AC | Angular Contact design | Optimized for combined radial and axial loads. |
| DT | Duplex arrangement, Tandem mounting | Two bearings are mounted in tandem to increase axial load capacity and rigidity. |
| P | Preload | The bearing is supplied with a preload, reducing axial and radial play for higher system rigidity and precision. |
| P4B | Tolerance Class P4 (ABEC-7) | Denotes ultra-precision manufacturing tolerances for applications requiring minimal runout and vibration. |
7014 ACDTP/P4B Bearing Structural Features & Performance Benefits
High Rigidity and Load Capacity: The angular contact design with a 25° contact angle and the duplex tandem (DT) arrangement work in concert to provide superior rigidity, enabling the bearing to withstand heavy combined loads and high moment loads.
Precision and High-Speed Performance: Manufactured to a P4 tolerance class, this bearing ensures exceptional running accuracy. The lightweight phenolic resin cage minimizes centrifugal forces, contributing to a high limiting speed of 11,000 rpm. The open design facilitates efficient lubrication management for demanding high-speed operations.
Material and Construction: Constructed from chrome steel for both rings and balls, the bearing offers high hardness, wear resistance, and a long operational life. The precision-ground components ensure smooth and quiet operation.
7014 ACDTP/P4B Bearing Typical Application Areas
The 7014 ACDTP/P4B is engineered for high-performance machinery where precision, speed, and rigidity are paramount. Key applications include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers.
- Precision Gearboxes: In robotics, aerospace, and high-end automotive systems.
- High-Frequency Spindles: Used in PCB drilling and engraving machines.
- Medical Equipment: In high-speed centrifuges and dental handpieces.
- Test and Measurement Equipment: Where minimal rotational error is critical.
