S7013 CDGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S7013 CDGA/HCP4A Bearing Product Overview & Core Advantages
The S7013 CDGA/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional speed and rigidity. Its single-row design with a 15° contact angle is optimized to handle combined loads, efficiently supporting substantial radial loads and axial loads in one direction. Manufactured to the stringent P4A tolerance class, it guarantees superior running accuracy and rotational precision. The combination of a ceramic ball material and phenolic cage enables outstanding high-speed performance and reduced rotational mass, making it an ideal solution for high-reliability, high-velocity spindles and machinery.
S7013 CDGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| S7013 | Standard bearing series designation (65mm bore, 100mm OD). | Defines the core bearing dimensions. |
| CD | 15° contact angle and universal matching designation. | Enables precise universal matching (SU) of two bearings for optimal preload control. |
| GA | Indicates an Extra Light (Class A) preload. | Minimizes friction and heat generation, maximizing limiting speed. |
| HCP4A | Specifies the bearing is Sealed and manufactured to ABEC 7 / P4A super-precision tolerance. | Provides contaminant protection and ensures the highest level of running accuracy and dimensional stability. |
S7013 CDGA/HCP4A Bearing Structural Features & Performance Benefits
High-Speed & Rigidity: The use of ceramic balls (Si3N4) significantly reduces centrifugal forces and inertial mass, while the lightweight phenolic cage ensures stability. This combination directly contributes to the high limiting speed of 36,000 rpm and provides high rigidity for precise shaft positioning.
Load Capacity: The 15° contact angle geometry is optimized to handle significant combined radial and axial loads simultaneously, with a dynamic load rating of 9360 lbf and a static load rating of 8438 lbf.
Precision & Longevity: Manufactured to P4A tolerance class with tight dimensional controls on bore, OD, and width. The integral seals protect the premium grease lubrication from contamination, ensuring consistent performance and extended service life within a temperature range of -30°C to 110°C.
S7013 CDGA/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery where precision, speed, and reliability are paramount. Key applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling and routing spindles.
- High-Frequency Motors: Spindles for electric motors requiring ultra-high rotational speeds.
- Advanced Robotics: Joints and actuators in high-accuracy robotic systems.
