7016 ACEGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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7016 ACEGA/HCP4A Bearing Product Overview & Core Advantages
The 7016 ACEGA/HCP4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This single bearing features an extra light preload (Class A) and is manufactured to P4A tolerance class, ensuring superior running accuracy and minimal vibration. Its 25° contact angle is optimized to handle combined radial and axial loads simultaneously. A key advantage is its Universal Matchable (SU) designation, meaning it can be universally paired with another bearing of the same type for duplex arrangements without selective matching, simplifying installation and inventory. The use of a phenolic cage and ceramic balls contributes to its high-speed capability, low friction, and extended service life.
7016 ACEGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7016 | Basic bearing series, with 80 mm bore diameter and 125 mm outside diameter. |
| AC | Angular Contact design, enabling it to support combined loads. |
| EGA | Indicates specific internal design and Universal Matchable (SU) pairing capability for duplex sets. |
| HC | Refers to the Hybrid Ceramic construction, featuring steel rings and ceramic balls. |
| P4A | Denotes the high-precision tolerance class, exceeding ABEC 7 standards for superior dimensional and running accuracy. |
7016 ACEGA/HCP4A Bearing Structural Features & Performance Benefits
- High-Speed Performance & Rigidity: The combination of a lightweight phenolic cage and low-density ceramic balls (Si3N4) reduces centrifugal forces, enabling a high limiting speed of 28,000 rpm. The 25° contact angle and extra light preload provide excellent rotational stiffness and precise shaft positioning.
- Superior Load Capacity: Engineered to handle significant combined radial and axial loads (Dynamic: 7312 lbf, Static: 5962 lbf), making it suitable for applications with complex loading conditions.
- Extended Service Life & Thermal Stability: Ceramic balls are harder, lighter, and more resistant to wear and deformation than steel. They also provide superior electrical insulation and can operate effectively within a temperature range of -30°C to 110°C.
- Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control on bore, outside diameter, and width, ensuring predictable performance and ease of integration into high-accuracy assemblies.
7016 ACEGA/HCP4A Bearing Typical Application Areas
The 7016 ACEGA/HCP4A is ideally suited for high-performance machinery where precision, speed, and reliability are critical. Key sectors include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy positioning systems.
- Aerospace & Defense: Gyroscopes, radar systems, and auxiliary power units (APUs).
- High-Frequency Motors and Spindles: Motors for PCB drilling and dental handpieces.
- Advanced Pump and Compressor Systems.
