7016 CE/HCP4ADBB
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
Ball & Washer Dimensions
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7016 CE/HCP4ADBB Bearing Product Overview & Core Advantages
The 7016 CE/HCP4ADBB is a precision duplex angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This metric system bearing features a back-to-back (DB) matched arrangement and a Light (Class B) preload, enabling it to handle combined radial and axial loads simultaneously with high stability. Its construction with ceramic balls and Phenolic cage contributes to superior high-speed performance and reduced operational friction, making it ideal for high-precision, high-reliability machinery.
7016 CE/HCP4ADBB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7016 | Basic bearing designation indicating a 80 mm bore, 125 mm OD, and 44 mm width. |
| C | Specifies a 15° contact angle. |
| E | Indicates an optimized internal design for enhanced performance. |
| HC | Signifies the use of Hybrid Ceramic balls (Silicon Nitride). |
| P4A | Denotes a high-precision tolerance class (superior to ABEC 7). |
| DB | Specifies the Duplex Back-to-Back mounting arrangement. |
| B | Indicates the Light preload level (Class B). |
7016 CE/HCP4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex back-to-back (DB) arrangement creates a rigid bearing system that effectively resists moment loads and supports combined loads. This configuration significantly increases the system's overall stiffness.
- Superior High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a Phenolic resin cage allows for a limiting speed of 28,000 rpm. This setup minimizes friction, heat generation, and wear.
- Precision Operation: Manufactured to P4A tolerance class with tight dimensional control on the bore diameter, outside diameter, and width, ensuring minimal runout and vibration for ultra-precise applications.
- Optimized for Performance: The Light preload (Class B) eliminates internal clearance, enhancing positional accuracy and rotational stability from startup without generating excessive heat.
7016 CE/HCP4ADBB Bearing Typical Application Areas
This high-performance bearing is engineered for advanced machinery where precision, speed, and reliability are critical. Key applications include:
- High-Frequency Machine Tool Spindles
- Precision Grinding Spindles
- High-Speed Robotic Arms
- Advanced Medical Equipment (e.g., Dental drills, CNC surgical devices)
- Aerospace Actuation Systems
- Semiconductor Manufacturing Equipment
