7016 FE/HCP4ALDT
Hybrid Ceramic Super Precision Bearings
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7016 FE/HCP4ALDT Bearing Product Overview & Core Advantages
The 7016 FE/HCP4ALDT is a precision angular contact ball bearing designed for demanding applications requiring exceptional performance. This duplex tandem (DT) arrangement bearing set is preloaded and manufactured to P4A tolerance class, ensuring superior running accuracy and system rigidity. Its core advantages include the ability to handle high combined loads (radial and axial), excellent high-speed capability facilitated by a phenolic cage and ceramic balls, and reliable operation within a defined temperature range. This configuration is ideal for machine tool spindles and other high-precision machinery where maximum stiffness and rotational accuracy are critical.
Model Code Breakdown
- 7016: Standard bearing series and size designation (Bore: 80 mm, OD: 125 mm, Width: 44 mm).
- FE: Indicates a specific internal design and preload level optimized for high-speed operation.
- HC: Signifies the use of Hybrid Ceramic components (Ceramic balls with steel rings).
- P4A: Denotes an ultra-precision tolerance class exceeding ABEC 7/ISO P4 standards, ensuring minimal runout and vibration.
- DT: Stands for Duplex Tandem arrangement. Two bearings are mounted in tandem to primarily increase axial load capacity in one direction.
7016 FE/HCP4ALDT Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces centrifugal forces, lowers operating temperatures, and enables higher limiting speeds. This construction also offers improved resistance to wear and a longer service life.
Phenolic Cage: The lightweight and robust phenolic resin cage provides excellent dimensional stability at high speeds, contributing to smooth operation and reduced friction.
High Rigidity & Load Capacity: The duplex tandem arrangement and the 18° contact angle are engineered to provide high system rigidity and superior axial load-carrying capacity in one direction, making it suitable for applications with significant thrust loads.
Precision & Speed: Manufactured to P4A tolerance class with optimized internal geometry, this bearing achieves exceptional running accuracy and a high limiting speed of 28,000 rpm, which is ideal for high-speed spindle applications.
7016 FE/HCP4ALDT Bearing Typical Application Areas
This high-precision bearing is specifically engineered for use in:
- Machine Tool Spindles (e.g., CNC machining centers, grinding spindles)
- High-Speed Motors and Precision Spindles
- Aerospace & Defense instrumentation and control systems
- Medical Equipment such as high-speed dental handpieces and imaging devices
