7013 CE/HCP4AH1DGA
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
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7013 CE/HCP4AH1DGA Bearing Product Overview & Core Advantages
The 7013 CE/HCP4AH1DGA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This universal matchable bearing is part of a matched set of two, allowing for simplified installation and optimal performance in preloaded arrangements. Its core advantages include superior running accuracy due to the P4A tolerance class, high-speed capability enabled by a phenolic cage and ceramic balls, and the ability to accommodate combined radial and axial loads efficiently with its 15° contact angle. This bearing is pre-lubricated and operates reliably within a wide temperature range, making it ideal for high-reliability, precision machinery.
7013 CE/HCP4AH1DGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Indicates the use of ceramic balls, which provide lower density, reduced centrifugal forces, and superior performance at high speeds. |
| HC | Refers to the phenolic (resin) cage material, offering excellent strength-to-weight ratio and suitability for high rotational speeds. |
| P4A | Denotes an ultra-precision tolerance class with enhanced running accuracy and dimensional stability, exceeding standard P4 levels. |
| H1 | Specifies a preload level of Extra Light (Class A), minimizing friction and heat generation for high-speed operation. |
| DGA | Indicates the bearing is universally matchable (SU designation) and supplied as part of a pre-set duplex pair. |
7013 CE/HCP4AH1DGA Bearing Structural Features & Performance Benefits
High-Speed Performance: The combination of a lightweight phenolic cage and low-density ceramic balls significantly reduces centrifugal forces and inertial mass, enabling the bearing to achieve its high limiting speed of 31,000 rpm. The open design facilitates efficient lubrication and heat dissipation.
Precision & Rigidity: Manufactured to P4A tolerance class with a 15° contact angle, this bearing provides exceptional running accuracy and rotational stability. When used in the supplied universally matched set, it delivers high system rigidity and can accommodate combined loads effectively.
Reduced Maintenance: The bearing is pre-lubricated, ensuring immediate operational readiness and reducing the need for initial servicing. The specified temperature range of -30°C to 110°C ensures reliable performance under various operating conditions.
7013 CE/HCP4AH1DGA Bearing Typical Application Areas
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring ultra-precision and rigidity.
- Precision Instrumentation: In applications such as coordinate measuring machines and optical scanners.
- High-Frequency Motors & Spindles: Where minimal friction and high rotational accuracy are critical.
- Aerospace & Defense Systems: In gyroscopes, navigation systems, and other critical high-speed components.
