S7013 ACEGB/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S7013 ACEGB/HCP4A Bearing Product Overview & Core Advantages
The S7013 ACEGB/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional speed and rigidity. This single bearing features a 25° contact angle and is manufactured to P4A super-precision tolerance, ensuring minimal runout and superior rotational accuracy. Its core advantage lies in its ability to handle combined loads (radial and axial) simultaneously with high stability, making it ideal for high-speed spindles and other precision machinery where reliability is paramount. The use of ceramic balls and a phenolic cage further enhances its high-speed performance and reduces centrifugal forces.
S7013 ACEGB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| S | Stainless Steel Bearing Ring |
| 7013 | Standard bearing series and size designation (65mm bore, 100mm OD, 18mm width) |
| AC | 25° Contact Angle |
| E | Optimized internal design for high performance |
| GB | Grease lubrication with a specific sealing arrangement |
| HC | Hybrid Ceramic (Silicon Nitride balls with steel rings) |
| P4A | Super Precision Tolerance Class (exceeds ABEC 7) |
S7013 ACEGB/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The 25° contact angle and robust internal geometry provide excellent support for combined radial and axial loads, ensuring minimal deflection under operational stresses.
- Superior High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic resin cage allows for a very high limiting speed of 36,000 rpm, making it a true high-speed bearing.
- Precision and Accuracy: Manufactured to P4A tolerance class, this bearing guarantees extremely tight dimensional and running accuracy, which is critical for applications like machine tool spindles to achieve superior surface finishes.
- Universal Matching (SU): Bearings are universally matchable, allowing for flexible mounting in sets (back-to-back, face-to-face, or tandem) to achieve the required preload and stiffness without selective assembly.
- Long-Term Reliability: The sealed design and factory-applied grease lubrication protect against contamination and provide consistent performance within a wide operating temperature range of -30°C to 110°C.
S7013 ACEGB/HCP4A Bearing Typical Application Areas
The S7013 ACEGB/HCP4A is specifically designed for high-performance machinery where precision, speed, and reliability are non-negotiable. Key application areas include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling, engraving machines, and semiconductor manufacturing equipment.
- High-Speed Motors: Motors and drives requiring ultra-precise rotation.
- Aerospace and Defense Systems: Gyroscopes, navigation systems, and other critical rotating assemblies.
- Medical Equipment: High-speed dental handpieces and laboratory centrifuges.
