S7013 ACEGA/HCP4A
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 ACEGA/HCP4A Bearing Product Overview & Core Advantages
The S7013 ACEGA/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single bearing features a 25° contact angle and is manufactured to P4A super-precision tolerance, ensuring minimal runout and vibration. Its core advantages include the ability to handle combined loads (radial and axial) efficiently, superior high-speed capability facilitated by a phenolic cage and ceramic balls, and long service life due to its sealed and pre-lubricated design. This bearing is the ideal choice for spindles and other mechanisms where high rigidity and rotational accuracy are paramount.
S7013 ACEGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
- S7013: Basic model number denoting a 65mm bore, 100mm OD, 18mm width angular contact ball bearing.
- AC: Signifies Angular Contact design with a 25° contact angle.
- EGA: Indicates the Extra light (Class A) preload and that the bearing is Universal Matchable (SU). This allows multiple bearings to be mounted in a rigid, preloaded arrangement.
- HCP4A: Denotes the P4A tolerance class, representing very high dimensional and running accuracy.
S7013 ACEGA/HCP4A Bearing Structural Features & Performance Benefits
High-Speed & High-Rigidity Performance: The combination of a lightweight phenolic resin cage and ceramic balls (Silicon Nitride) significantly reduces centrifugal forces, enabling very high limiting speeds (36,000 rpm) while maintaining system stability and high rigidity.
Superior Load Capacity: The 25° contact angle is optimized to support significant combined radial and axial loads simultaneously, making it suitable for complex loading conditions.
Exceptional Precision and Longevity: Manufactured to P4A super-precision standards with tight bore, OD, and width tolerances, this bearing ensures smooth, quiet operation and extended service life. The sealed design with pre-applied grease protects against contamination and provides reliable lubrication within the specified temperature range.
S7013 ACEGA/HCP4A Bearing Typical Application Areas
The S7013 ACEGA/HCP4A is ideally suited for high-performance machinery requiring utmost precision and speed, including:
- Machine Tool Spindles (e.g., CNC milling, grinding, and high-speed machining centers)
- Precision Instrumentation
- High-Frequency Motors and Spindles
- Medical Equipment (e.g., high-speed dental handpieces)
- Aerospace Actuation Systems
