7017 ACE/HCP4AH1DGA
Hybrid Ceramic Super Precision Bearings
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7017 ACE/HCP4AH1DGA Bearing Product Overview & Core Advantages
The 7017 ACE/HCP4AH1DGA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. This universal matchable bearing features a 25° contact angle and extra light preload (Class A), making it ideal for arrangements requiring high rigidity and precise rotational characteristics. Its ceramic ball construction and P4A tolerance class ensure superior running accuracy, low heat generation, and extended service life in high-speed applications.
7017 ACE/HCP4AH1DGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7017 | Standard bearing series with 85mm bore, 130mm OD, 44mm width |
| ACE | Angular Contact design with 25° contact angle |
| HC | Hybrid Ceramic balls (steel rings with ceramic balls) |
| P4A | High precision tolerance class (superior to ABEC 7) |
| H1 | Precision preload classification |
| DG | Universal matchable bearing designation |
| A | Extra light preload classification |
7017 ACE/HCP4AH1DGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings with silicon nitride ceramic balls significantly reduces friction, minimizes heat generation, and extends bearing life. This construction enables higher limiting speeds (17,000 rpm) and improved performance in contaminated environments.
Precision Engineering: Manufactured to P4A tolerance class with extra light preload, this bearing delivers exceptional running accuracy and minimal vibration. The phenolic cage provides excellent dimensional stability and reduced weight for high-speed operation.
Universal Matching Capability: As a Universal Matchable (SU) bearing, the 7017 ACE/HCP4AH1DGA can be mounted in various configurations (back-to-back, face-to-face, or tandem) without requiring selective matching, simplifying installation and maintenance.
Enhanced Load Capacity: With a 25° contact angle, this bearing optimally handles combined loads including significant axial loads in one direction, while maintaining high rigidity and precision.
7017 ACE/HCP4AH1DGA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and precision lathes
- Industrial Pumps & Compressors: High-performance centrifugal pumps and compressor systems
- Precision Instruments: Measuring equipment, optical instruments, and laboratory devices
- Robotics & Automation: High-precision robotic arms and automated manufacturing systems
- Aerospace Systems: Auxiliary power units, flight control systems, and navigation equipment
