7006 ACDGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7006 ACDGA/P4A Bearing Product Overview & Core Advantages
The 7006 ACDGA/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to simultaneously handle combined radial and axial loads, this bearing features a 25° contact angle and an Extra Light (Class A) preload for superior performance in high-speed, high-rigidity scenarios. Manufactured to the stringent P4A tolerance class, it ensures minimal runout and vibration, making it ideal for mission-critical machinery where precision is paramount.
7006 ACDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
- 7006: Basic designation indicating a metric series bearing with a 30mm bore and 55mm outside diameter.
- AC: Angular Contact design, optimized for combined loads.
- D: Signifies a high-precision design.
- GA: Indicates a specific internal clearance and preload combination for universal matching (SU). Two bearings are supplied as a matched set for optimal performance.
- P4A: Denotes an ultra-precision tolerance class exceeding ABEC 7 standards, ensuring extremely tight dimensional and running accuracy.
7006 ACDGA/P4A Bearing Structural Features & Performance Benefits
High Rigidity and Precision: The single-row angular contact design, combined with the Class A preload and P4A tolerances, provides exceptional system stiffness and minimizes deflection under load, which is critical for maintaining accuracy.
Superior Load Capacity: The 25° contact angle effectively manages substantial axial loads in one direction while supporting significant radial loads, making it suitable for combined load applications.
Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, contributing to a high limiting speed of 71,500 rpm. The bearing is pre-lubricated for immediate operation and reliable performance across its specified temperature range.
Universal Matchability (SU): Supplied as part of a universally matchable set, these bearings can be arranged in tandem, back-to-back, or face-to-face configurations to achieve the required rigidity and load capacity for complex applications.
7006 ACDGA/P4A Bearing Typical Application Areas
The 7006 ACDGA/P4A is ideally suited for high-performance applications requiring supreme precision and speed, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Aerospace Control Systems
- Medical and Dental Handpieces
