7006 ACD/P4ADBC
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7006 ACD/P4ADBC Bearing Product Overview & Core Advantages
The 7006 ACD/P4ADBC is a precision duplex angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This matched set bearing features a back-to-back (DB) arrangement, providing superior stability and the ability to withstand combined loads, including significant radial and bidirectional axial loads. Manufactured to P4A tolerance class and preloaded for high rigidity, it is an ideal solution for high-precision spindles and machinery where minimal deflection and precise rotational accuracy are critical.
7006 ACD/P4ADBC Bearing Model Code Explained, Specifications & Naming Convention
| 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. |
| DB | Specifies the Duplex Back-to-Back mounting arrangement of the two bearings in the set. |
| C | Denotes a Moderate Preload (Class C) applied to the bearing set. |
7006 ACD/P4ADBC Bearing Structural Features & Performance Benefits
High Rigidity and Stability: The duplex back-to-back (DB) arrangement creates a wide effective spread of the load-carrying contact angles, significantly increasing system rigidity and resistance to moment loads. This configuration is essential for applications where shaft deflection must be minimized.
Superior Load Capacity: With a 25° contact angle and a dynamic load rating of 4972 lbf, this bearing is engineered to handle substantial combined radial and axial loads simultaneously.
Precision Performance: The P4A tolerance class ensures extremely tight dimensional and running accuracy, contributing to smooth operation, reduced vibration, and enhanced machine performance. The phenolic resin cage is lightweight and robust, suitable for high-speed operation up to 53,000 rpm.
Optimized Material Selection: Constructed from chrome steel for both rings and balls, the bearing offers high durability and wear resistance. The standard lubrication ensures immediate operational readiness.
7006 ACD/P4ADBC Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes: Where high rigidity and accurate shaft positioning are required.
- High-Frequency Motors and Spindles: Applications demanding minimal runout and high rotational accuracy.
- Industrial Pumps and Compressors: For handling axial and radial loads in demanding fluid handling systems.
