S71916 ACEGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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S71916 ACEGA/HCP4A Bearing Product Overview & Core Advantages
The S71916 ACEGA/HCP4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. Engineered with a single, universal-matchable design and an extra light preload (Class A), this bearing delivers superior rotational accuracy and rigidity. Its capability to simultaneously handle combined radial and axial loads makes it an ideal solution for high-speed spindles and precision machinery. The combination of a ceramic ball material and a P4A super-precision tolerance class ensures outstanding performance in critical operational environments.
S71916 ACEGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| S71916 | Precision series angular contact ball bearing with 80mm bore, 110mm OD, 16mm width. |
| AC | 25° contact angle, optimized for high axial load capacity. |
| EGA | Pre-greased with a specific high-performance grease. |
| HC | Hybrid Ceramic: Features ceramic balls for reduced friction, higher speed capability, and longer service life. |
| P4A | Super-precision tolerance class exceeding ABEC 7 standards, ensuring minimal runout and vibration. |
S71916 ACEGA/HCP4A Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The use of ceramic balls with a steel ring significantly reduces friction, heat generation, and wear, enabling higher limiting speeds (28,000 rpm) and providing electrical insulation properties.
High Rigidity & Precision: The P4A tolerance class and extra light preload ensure exceptional running accuracy and system stiffness, minimizing deflection under load for superior machining or operational results.
Optimized Load Capacity: With a 25° contact angle and a dynamic load rating of 4860 lbf, this bearing is engineered to handle significant combined radial and axial loads efficiently.
Advanced Cage & Sealing: The phenolic resin cage offers excellent strength at high speeds with minimal friction. The sealed design and pre-applied grease provide long-term, maintenance-free operation by effectively retaining lubrication and excluding contaminants.
S71916 ACEGA/HCP4A Bearing Typical Application Areas
The S71916 ACEGA/HCP4A is ideally suited for high-performance applications where speed, precision, and reliability are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- Medical Equipment: Dental handpieces, centrifuges, and imaging scanners.
- Aerospace & Defense: Gyroscopes, radar systems, and navigation instruments.
- High-Frequency Motors & Spindles: Where extreme rotational accuracy and low vibration are required.
