7013 ACE/HCP4AH1DT
Hybrid Ceramic Super Precision Bearings
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7013 ACE/HCP4AH1DT Bearing Product Overview & Core Advantages
The 7013 ACE/HCP4AH1DT is a high-precision angular contact ball bearing engineered for demanding applications. This duplex tandem (DT) matched set configuration delivers exceptional performance by combining two bearings to achieve superior axial rigidity and load capacity. Its construction with a phenolic cage and ceramic balls makes it an ideal solution for high-speed operation and applications requiring high reliability and dimensional stability under combined loads.
7013 ACE/HCP4AH1DT Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7013 | Basic bearing series, defining the standard boundary dimensions (65mm bore, 100mm OD, 36mm width). |
| ACE | Internal design code, typically indicating a 25° contact angle and optimized internal geometry. |
| HC | Hybrid Ceramic: Denotes the use of ceramic balls for reduced friction, higher speed capability, and non-conductivity. |
| P4A | High-Precision Tolerance Class, exceeding ABEC 7/ISO P4 standards, ensuring minimal runout and superior rotational accuracy. |
| H1 | Preload code, signifying a specific level of internal preload applied to the bearing for enhanced rigidity. |
| DT | Duplex Tandem Arrangement. Two bearings are mounted together to primarily handle heavy axial loads in one direction. |
7013 ACE/HCP4AH1DT Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride (Si3N4) ceramic balls significantly reduces centrifugal forces, lowers operating temperature, and allows for a limiting speed of 31,000 rpm. This construction also provides electrical insulation and superior performance in lubricant-starved conditions.
Phenolic Resin Cage: The lightweight and robust phenolic cage ensures stable operation at high speeds, offering excellent strength and slip characteristics with minimal friction.
Duplex Tandem (DT) Matched Set: This configuration provides maximum axial rigidity and load-carrying capacity for applications with predominant axial loads in one direction. The set is supplied pre-lubricated and pre-loaded (H1), ensuring immediate high-performance operation and simplifying installation.
Superior Precision (P4A): Manufactured to P4A tolerance class, this bearing guarantees extremely tight dimensional and running accuracy, which is critical for applications like machine tool spindles.
7013 ACE/HCP4AH1DT Bearing Typical Application Areas
This high-performance bearing set is specifically designed for advanced machinery requiring high speed, high precision, and high rigidity. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and auxiliary power units (APUs).
- High-Frequency Motors and Spindles: PCB drilling spindles and dental handpieces.
