7000 ACD/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7000 ACD/P4ADGA Bearing Product Overview & Core Advantages
The 7000 ACD/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and performance. Engineered to a P4A tolerance class, it offers superior dimensional stability and running accuracy. This bearing is specifically configured to handle combined loads (simultaneous radial and axial loads) efficiently. Its extra light preload (Class A) ensures minimal deflection under operational stresses, making it ideal for high-precision, high-rigidity applications where precise shaft positioning is critical. The universal matchable (SU) design allows for flexible mounting arrangements in pairs to support bidirectional axial loads.
7000 ACD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Contact Angle of 25° and Universal Matchable (SU) design. |
| P4A | High precision tolerance class, exceeding ABEC 7 standards, for superior running accuracy. |
| DGA | Indicates specific internal design and preload (Extra Light / Class A). |
7000 ACD/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The 25° contact angle and P4A tolerance class provide excellent stiffness and running accuracy, minimizing system vibration and ensuring precise rotational performance.
- Superior Load Capacity: The optimized internal geometry, featuring 9 high-precision chrome steel balls, enables reliable handling of combined radial and axial loads.
- High-Speed Capability: The lightweight phenolic resin cage ensures stable operation and reduced centrifugal forces, contributing to a high limiting speed of 95,000 rpm.
- Optimized for Matched Sets: The Universal Matchable (SU) designation means bearings can be paired in a back-to-back (DB) or face-to-face (DF) arrangement without selective mounting, simplifying installation and providing robust support for complex load scenarios.
7000 ACD/P4ADGA Bearing Typical Application Areas
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Equipment
- Medical and Dental Handpieces
- Aerospace Actuators and Instrumentation
