7013 ACDGC/HCP4AL
Hybrid Ceramic Super Precision Bearings
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7013 ACDGC/HCP4AL Bearing Product Overview & Core Advantages
The 7013 ACDGC/HCP4AL is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single bearing features a 25° contact angle and is manufactured to P4A tolerance class, ensuring ultra-precise rotational characteristics. Its core advantages include the ability to handle combined loads (significant radial and axial loads in one direction), superior high-speed capability facilitated by a phenolic cage and ceramic balls, and high rigidity due to its precision-ground construction. It is preloaded and lubricated, making it ready for immediate installation in high-reliability systems.
7013 ACDGC/HCP4AL Bearing Model Code Explained, Specifications & Naming Convention
- 7013: Basic designation indicating a bearing series with a 65mm bore and 100mm outside diameter.
- AC: Angular Contact design with a 25° contact angle.
- D: Signifies a specific internal design and moderate preload (Class C).
- GC: Indicates special internal clearance and preload optimization for universal matching (SU).
- HC: Denotes the use of Hybrid Ceramic components (ceramic balls with steel rings).
- P4A: Specifies a tolerance class tighter than ABEC 7, defining extremely narrow limits for bore, outside diameter, and width.
7013 ACDGC/HCP4AL Bearing Structural Features & Performance Benefits
This bearing's performance is a direct result of its advanced material selection and precision engineering:
- High Rigidity & Precision: The P4A tolerance class and ground geometry provide exceptional running accuracy and high rigidity, minimizing deflection under load for superior system stability.
- Enhanced Speed & Performance: The phenolic cage offers low weight and excellent sliding properties, while the ceramic balls (Hybrid) reduce centrifugal forces and friction. This combination significantly boosts the limiting speed and allows for lower operating temperatures.
- Superior Load Capacity: The 25° contact angle is optimized to efficiently support substantial combined loads, making it ideal for applications with high axial and radial force components.
- Universal Matchability (SU): The GC suffix ensures that individual bearings can be universally matched in sets (e.g., duplex pairs) to achieve specific preload or rigidity requirements without selective mounting.
7013 ACDGC/HCP4AL Bearing Typical Application Areas
The 7013 ACDGC/HCP4AL is designed for high-performance machinery where precision, speed, and reliability are paramount. Key application areas include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Frequency Motors and Spindles: Applications requiring extreme rotational speeds.
- Aerospace & Defense Systems: Gyroscopes, radar platforms, and other critical navigation and control equipment.
- Medical Equipment: High-speed dental handpieces and imaging device rotors.
