7206 ACD/P4ADBC
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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7206 ACD/P4ADBC Bearing Product Overview & Core Advantages
The 7206 ACD/P4ADBC is a precision duplex angular contact ball bearing designed for applications requiring exceptional rigidity and accuracy. This matched back-to-back (DB) arrangement is preloaded to Moderate / Class C specifications, enabling it to handle combined radial and axial loads simultaneously with high stability. Manufactured to a P4A tolerance class, it offers superior running accuracy, making it ideal for high-speed spindles and other high-precision machinery. Its compact design and robust construction provide a reliable solution for demanding operational environments.
7206 ACD/P4ADBC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle, optimized for combined loads. |
| P4A | Indicates a high-precision tolerance class with strict limits on bore, outside diameter, and width runout. |
| DB | Signifies a Duplex Back-to-Back matched set arrangement, providing high rigidity and moment load capacity. |
| C | Denotes the Moderate preload level applied to the bearing set, reducing deflection under load. |
7206 ACD/P4ADBC Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The duplex back-to-back (DB) arrangement creates a rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise rotational alignment.
- Superior Load Capacity: With a 25° contact angle and a dynamic load rating of 8482 lbf, this bearing is engineered to handle significant combined radial and axial loads.
- Precision & High-Speed Performance: The P4A tolerance class guarantees minimal runout and vibration. Combined with the lightweight phenolic cage, it supports a high limiting speed of 100,500 rpm, making it suitable for high-speed applications.
- Optimized Material & Lubrication: Components made from chrome steel offer high durability and wear resistance. The bearing comes pre-lubricated for immediate use and reliable operation within its specified temperature range.
7206 ACD/P4ADBC Bearing Typical Application Areas
The 7206 ACD/P4ADBC is ideally suited for high-performance applications where precision and rigidity are paramount. Key sectors include:
- Machine Tool Spindles: For CNC machining centers, grinders, and milling machines requiring high-speed and high-accuracy rotation.
- Precision Gearboxes: In robotics and automated systems where low backlash and high stiffness are critical.
- High-Frequency Motors and Spindles: Applications demanding minimal vibration and thermal growth at extreme rotational speeds.
- Medical and Laboratory Equipment: Used in centrifuges and other precision instruments that demand reliable and accurate performance.
