S7013 CE/HCP4ADBA
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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Materials
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S7013 CE/HCP4ADBA Bearing Product Overview & Core Advantages
The S7013 CE/HCP4ADBA is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This duplex back-to-back (DB) matched set features a P4A super-precision tolerance and is preloaded to Extra Light (Class A), ensuring minimal runout and outstanding rotational accuracy. Its construction with ceramic balls and a phenolic cage enables superior high-speed performance and thermal stability. This bearing is engineered to handle combined loads (radial and axial) simultaneously with high rigidity, making it ideal for ultra-precise, high-reliability systems.
S7013 CE/HCP4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Hybrid bearing designation, indicating the use of Ceramic balls (Silicon Nitride). |
| HC | Designation for the Phenolic (Polyamide) cage. |
| P4A | Indicates a super-precision tolerance class, tighter than ABEC 7, for exceptional running accuracy. |
| DB | Specifies the Duplex Back-to-Back mounting arrangement of the matched set. |
| A | Denotes the Extra Light preload applied to the matched set. |
S7013 CE/HCP4ADBA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex back-to-back (DB) arrangement creates a rigid bearing system that can withstand significant combined radial and axial loads, as well as overturning moments. This configuration provides exceptional operational stability.
Superior High-Speed Performance: The combination of low-density ceramic balls reduces centrifugal forces, while the lightweight phenolic cage offers excellent guidance and low friction. This synergy allows for a very high limiting speed of 36,000 rpm.
Reduced Heat Generation & Long Service Life: Ceramic balls have a lower coefficient of thermal expansion than steel and are electrically insulating, reducing heat buildup and the risk of electrical erosion. The inherent properties of the materials contribute to extended bearing service life, especially in high-speed applications.
Pre-Lubricated & Sealed: The bearing comes pre-greased and is sealed, protecting it from contamination during handling and installation, and providing reliable operation from the start.
S7013 CE/HCP4ADBA Bearing Typical Application Areas
The S7013 CE/HCP4ADBA is specified for high-performance machinery where precision, speed, and reliability are paramount. Key application areas include:
- High-Frequency Machine Tool Spindles for milling, grinding, and drilling
- Precision Robotics and automated assembly arms
- High-Speed Motors and turbine systems
- Advanced Medical Equipment such as dental handpieces and imaging scanners
- Aerospace Instrumentation and guidance systems
