S7013 CB/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
Ball & Washer Dimensions
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S7013 CB/HCP4ADGA Bearing Product Overview & Core Advantages
The S7013 CB/HCP4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and high-speed performance. As a universally matchable (SU) bearing supplied in a pre-set pair, it is engineered to accommodate combined radial and axial loads simultaneously. Its construction with ceramic balls and a P4A super-precision tolerance class ensures low heat generation, minimal vibration, and extended service life in high-rigidity systems.
S7013 CB/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| S7013 | Standard bearing series designation with 65mm bore, 100mm OD, and 36mm width. |
| CB | Specific internal clearance and preload designation for universal matching. |
| HC | Hybrid Ceramic: Indicates the use of ceramic balls for reduced friction and higher speed capability. |
| P4A | Super-precision tolerance class, exceeding ABEC 7/ISO P4 standards for runout and dimensional accuracy. |
| DGA | Contact angle designation (15°) and likely a specific internal geometry or grease filling code. |
S7013 CB/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls (Si3N4) significantly reduces friction, lowers operating temperature, and enables a limiting speed of 36,000 rpm. This construction is ideal for high-speed spindles.
High Rigidity & Load Capacity: The 15° contact angle and universal matchable (SU) design allow two bearings to be paired in a back-to-back or face-to-face arrangement, creating a system with high rigidity that can handle significant combined radial and axial loads.
Precision & Stability: Manufactured to a P4A tolerance class and featuring a lightweight phenolic cage, this bearing ensures smooth, quiet operation with minimal vibration, which is critical for machining accuracy.
Sealed & Lubricated for Life: As a sealed bearing pre-lubricated with grease, it is protected from contamination and is maintenance-free within its specified temperature range of -30°C to 110°C.
S7013 CB/HCP4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC lathes.
- Precision Instrumentation: High-speed measuring devices and laboratory equipment.
- Aerospace & Defense: Gyroscopes, radar systems, and other high-reliability rotating mechanisms.
- High-Frequency Motors: Spindles for PCB drilling and other applications requiring extreme rotational accuracy.
