7206 ACD/P4ATBTA
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7206 ACD/P4ATBTA Bearing Product Overview & Core Advantages
The 7206 ACD/P4ATBTA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. This bearing is supplied as a matched triplex set in a Back-to-Back (TBT) arrangement, providing superior stability and moment load capacity. Its P4A tolerance class ensures ultra-precision operation, making it ideal for high-speed spindles and other critical machinery where high rigidity and minimal runout are paramount. The combination of a phenolic cage and optimized 25° contact angle delivers outstanding high-speed performance and reliable operation under complex combined loads.
Model Code Breakdown
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle. |
| P4A | Indicates a high-precision tolerance class with enhanced running accuracy requirements. |
| TBT | Denotes a Triplex Back-to-Back matched set arrangement. |
| A | Signifies an Extra Light preload for minimal friction and high-speed capability. |
7206 ACD/P4ATBTA Bearing Structural Features & Performance Benefits
- High Rigidity & Stability: The triplex back-to-back arrangement creates a highly rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise rotational alignment.
- Superior Load Capacity: The angular contact design allows the bearing to handle significant combined radial and axial loads simultaneously. The matched set distributes loads evenly across all three bearings.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the 25° contact angle and extra light preload contribute to a high limiting speed of 100,500 rpm.
- Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control on the bore diameter, outside diameter, and width, guaranteeing smooth, quiet, and accurate operation.
7206 ACD/P4ATBTA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling, engraving machines, and other high-precision equipment.
- High-Frequency Motors: Where low vibration and high rotational accuracy are critical.
- Medical Equipment: Centrifuges and other high-speed laboratory apparatus.
