S7013 ACE/HCP4AQBCA
Hybrid Ceramic Super Precision Bearings
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S7013 ACE/HCP4AQBCA Bearing Product Overview & Core Advantages
The S7013 ACE/HCP4AQBCA is a high-precision quadruplex matched bearing set designed for applications demanding extreme rigidity and rotational accuracy. This metric angular contact ball bearing features a back-to-back (QBC) arrangement of four bearings, providing exceptional stability and the ability to handle combined radial and axial loads from multiple directions. Manufactured to P4A tolerance class and preloaded to Extra Light (Class A), it delivers superior running accuracy and is optimized for high-speed operation up to 31,000 rpm, making it ideal for the most demanding precision machinery.
S7013 ACE/HCP4AQBCA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7013 | Basic bearing series and size designation (65mm bore, 100mm OD). |
| ACE | Specific internal design and 25° contact angle for optimal axial load capacity. |
| HC | Hybrid Ceramic: Signifies the use of ceramic balls for reduced friction, higher speed, and longer service life. |
| P4A | High precision tolerance class, exceeding ABEC 7 standards for exceptional dimensional and running accuracy. |
| QBC | Quadruplex Back-to-Back arrangement. A matched set of four bearings configured to provide maximum rigidity and moment load capacity. |
S7013 ACE/HCP4AQBCA Bearing Structural Features & Performance Benefits
- Unmatched Rigidity and Stability: The quadruplex back-to-back (QBC) arrangement creates a highly rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise alignment and minimal runout under heavy combined loads.
- Superior High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic cage significantly lowers friction and inertial forces, enabling stable operation at the high limiting speed of 31,000 rpm.
- Enhanced Load Capacity and Longevity: With a 25° contact angle and robust construction, this set offers a high dynamic load rating of 11,408 lbf and static load rating of 13,162 lbf. The hybrid ceramic design also provides inherent resistance to wear and a longer operational lifespan.
- Pre-optimized for Precision: The bearings are supplied as a universally matched set with Class A preload and P4A precision tolerances, eliminating the need for complex on-site adjustment and guaranteeing immediate, high-performance operation.
S7013 ACE/HCP4AQBCA Bearing Typical Application Areas
This high-performance bearing set is engineered for the most critical applications where precision, speed, and rigidity are paramount. Key industries and equipment include:
- High-Frequency Machine Tool Spindles (e.g., CNC milling, grinding, and jig boring machines)
- Precision Robotics and Automation Arms
- High-Speed Compressors and Pumps
- Advanced Aerospace & Defense Systems
- Medical Equipment such as high-speed dental handpieces and imaging devices
