7016 ACE/HCP4AH1DGA
Hybrid Ceramic Super Precision Bearings
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7016 ACE/HCP4AH1DGA Bearing Product Overview & Core Advantages
The 7016 ACE/HCP4AH1DGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional rotational accuracy and rigidity. As a universally matchable (SU) bearing supplied in a pre-set pair, it is designed to accommodate combined loads (radial and axial) simultaneously. Its core advantages stem from a P4A super-precision tolerance class, a ceramic ball construction, and an extra light preload (Class A), making it ideal for high-speed spindles and other high-reliability machinery where minimal runout and thermal stability are critical.
Model Code Breakdown
- 7016: Basic series designation, indicating a medium series angular contact bearing with an 80 mm bore and 125 mm outside diameter.
- ACE: Signifies specific internal design features optimized for high-speed and high-precision performance.
- HC: Denotes the use of Hybrid Ceramic balls (Silicon Nitride).
- P4A: Identifies the tolerance class, which is superior to ABEC 7/ISO P4, ensuring extremely tight dimensional and running accuracy.
- H1: Indicates a specific preload grouping for universal matching.
- DGA: Specifies the cage material as Phenolic (fiberglass reinforced), which is lightweight and suitable for high-speed operation.
7016 ACE/HCP4AH1DGA Bearing Structural Features & Performance Benefits
High Rigidity & Precision: The bearing is manufactured to a P4A super-precision tolerance and features a 25° contact angle. When mounted as a universally matched pair, this configuration provides high system rigidity and precise shaft positioning, essential for machine tool accuracy.
Enhanced High-Speed Capability: The combination of ceramic balls and a phenolic cage (DGA) significantly reduces centrifugal forces and friction, enabling a high limiting speed of 28,000 rpm. This hybrid ceramic design also improves stiffness and reduces heat generation.
Superior Load Capacity: With a dynamic load rating of 11,858 lbf and a static load rating of 11,925 lbf, this bearing is capable of handling significant combined loads.
Universal Matchability (SU): The bearings are supplied as a pre-selected pair with an extra light preload (Class A), allowing for simplified installation and optimal performance without the need for custom matching on-site.
7016 ACE/HCP4AH1DGA Bearing Typical Application Areas
This high-performance bearing is specifically designed for advanced applications where speed, precision, and reliability are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and milling spindles.
- Precision Instrumentation: High-accuracy measuring devices and laboratory equipment.
- High-Frequency Motors & Spindles: Motors for PCB drilling and other high-RPM applications.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other critical rotational mechanisms.
