7013 ACEGA/HCP4AL
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7013 ACEGA/HCP4AL Bearing Product Overview & Core Advantages
The 7013 ACEGA/HCP4AL is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and performance. Engineered with a 25° contact angle and extra light preload (Class A), this bearing excels at handling combined radial and axial loads simultaneously. Its construction features ceramic balls and a phenolic cage, contributing to high-speed capability, reduced weight, and superior operational stability. As part of a universally matchable (SU) set, it enables precise axial play adjustment when paired with another identical bearing, making it ideal for high-rigidity, high-reliability spindle arrangements.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7013 | Basic bearing series and size designation (65mm bore, 100mm OD, 18mm width) |
| AC | Angular Contact design with a 25° contact angle |
| EGA | Extra Light Preload (Class A) |
| HC | Hybrid Ceramic (Silicon Nitride balls with steel rings) |
| P4A | High Precision Tolerance Class (equivalent to ABEC 7) |
| L | Lubricated with high-performance grease |
7013 ACEGA/HCP4AL Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces friction, heat generation, and wear. This enables higher limiting speeds (31,000 rpm) and extended service life compared to all-steel bearings.
Phenolic Cage Design: The lightweight phenolic resin cage provides excellent dimensional stability at high speeds, contributing to smooth operation and reduced vibration.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control on bore diameter, outside diameter, and width, ensuring consistent performance and precise fitment in demanding applications.
Universal Matching Capability: As a universally matchable bearing, it can be paired with another identical bearing to create optimized preload conditions, enhancing system rigidity and rotational accuracy.
7013 ACEGA/HCP4AL Bearing Typical Application Areas
- Machine Tool Spindles: High-speed machining centers, grinding spindles
- Precision Robotics: Robot arm joints, CNC rotary tables
- Aerospace Systems: Gyroscopes, navigation instruments, auxiliary power units
- Medical Equipment: Dental handpieces, laboratory centrifuges
- High-Speed Motors: Servo motors, spindle drives
