7206 ACDGC/P4A
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7206 ACDGC/P4A Bearing Product Overview & Core Advantages
The 7206 ACDGC/P4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This single bearing features a 25° contact angle and is manufactured to P4A tolerance class, ensuring superior running accuracy. Its core advantage lies in its ability to accommodate combined loads (radial and axial) simultaneously, making it ideal for high-speed spindles and precision machinery where high rigidity and minimal runout are critical. The phenolic cage and universal matching (SU) designation further enhance its performance in preloaded arrangements.
7206 ACDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7206 | Basic bearing series and size designation (30mm bore, 62mm OD). |
| AC | Angular Contact design. |
| D | High contact angle (25°). |
| GC | Internal clearance group for moderate preload (Class C). |
| P4A | High precision tolerance class for enhanced running accuracy. |
7206 ACDGC/P4A Bearing Structural Features & Performance Benefits
- Optimized Contact Angle & Rigidity: The 25° contact angle provides an excellent balance between radial and axial load capacity, delivering high rigidity to resist deflection under complex loading conditions.
- Precision & Speed: Manufactured to P4A tolerance class with tight dimensional controls, this bearing ensures smooth operation and low vibration. The lightweight phenolic cage is ideal for high-speed applications, contributing to a limiting speed of 100,500 rpm.
- Universal Matching Capability: Designated as Universal Matchable (SU), these bearings can be universally paired in any combination from a set of three to create preloaded arrangements (e.g., DB or DF), simplifying installation and optimizing system stiffness.
- Superior Material & Lubrication: Constructed from chrome steel for both rings and balls, ensuring high durability and fatigue resistance. The bearing is pre-lubricated for immediate operation within a temperature range of -30°C to 110°C.
7206 ACDGC/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Rotary Systems: CNC rotary tables, indexing heads, and robotic arms.
- High-Frequency Motors & Spindles: Applications requiring minimal runout and high rotational accuracy.
- Medical & Laboratory Equipment: Centrifuges and precision instruments.
