7016 CE/HCP4ADBA
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
7016 CE/HCP4ADBA Bearing Product Overview & Core Advantages
The 7016 CE/HCP4ADBA is a precision duplex angular contact ball bearing set designed for demanding applications requiring exceptional rotational accuracy and rigidity. This back-to-back (DB) matched pair is preloaded to Extra Light (Class A) specifications, ensuring minimal axial and radial play for superior system stability. Its defining features include a P4A super-precision tolerance class and ceramic balls, which collectively enable high-speed operation, reduced friction, and extended service life. This bearing configuration is engineered to handle combined loads efficiently, making it an ideal choice for high-performance spindles and precision machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7016 | Basic bearing series and size designation (80mm bore, 125mm OD). |
| C | 15° contact angle. |
| E | Optimized internal design for enhanced performance. |
| HC | Hybrid Ceramic: Signifies the use of ceramic balls with steel rings. |
| P4A | Super-precision tolerance class, exceeding standard ABEC 7/ISO P4 specifications for runout and dimensional accuracy. |
| DB | Duplex Back-to-Back arrangement. Two bearings are mounted together to increase rigidity and moment load capacity. |
| A | Specifies the Extra Light preload (Class A) applied to the matched set. |
7016 CE/HCP4ADBA Bearing Structural Features & Performance Benefits
High Rigidity and Stability: The back-to-back (DB) duplex arrangement creates a wide, rigid support system that effectively resists moment loads and shaft deflection, which is critical for maintaining precision in machining and positioning applications.
Superior High-Speed Performance: The combination of a lightweight phenolic cage and low-density ceramic balls significantly reduces centrifugal forces, allowing for a high limiting speed of 28,000 rpm. This also results in lower operating temperatures and reduced vibration.
Enhanced Load Capacity: The 15° contact angle and optimized raceway geometry provide excellent capability for handling combined radial and axial loads simultaneously.
Extended Service Life and Reliability: Ceramic balls are harder, lighter, and more wear-resistant than steel, leading to dramatically longer fatigue life. They are also electrically insulating and less susceptible to lubricant degradation.
Precision Engineering: Manufactured to P4A super-precision tolerances, this bearing ensures minimal runout and exceptional rotational accuracy for applications where positioning repeatability is paramount.
7016 CE/HCP4ADBA Bearing Typical Application Areas
The 7016 CE/HCP4ADBA is specifically engineered for high-end, precision-driven industries, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and rotary actuators requiring high rigidity and accuracy.
- Aerospace & Defense: Gyroscopes, radar systems, and other critical navigation equipment.
- Medical Equipment: High-speed dental handpieces and imaging device rotors.
- Semiconductor Manufacturing: Wafer handling robots and precision stages.
