7016 ACDGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7016 ACDGA/P4A Bearing Product Overview & Core Advantages
The 7016 ACDGA/P4A is a single row angular contact ball bearing engineered for applications demanding ultra-high precision and superior running accuracy. Positioned in the P4A tolerance class, it guarantees exceptional dimensional and rotational precision. Its 25° contact angle is optimized to support significant combined loads, handling both radial and axial forces efficiently. The bearing features an Extra light (Class A) preload, which minimizes deflection and ensures high system rigidity and positional accuracy from the moment of installation. Manufactured from chrome steel and fitted with a lightweight phenolic cage, it is designed for high-speed operation and is supplied pre-lubricated for immediate use.
7016 ACDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| ACD | Angular Contact Design, 25° contact angle | Optimized for handling combined radial and axial loads. |
| GA | Universal Matchable bearing set with Extra light preload (Class A) | Allows for precise universal matching (SU) in sets of 3 to achieve desired rigidity and preload without selective mounting. |
| P4A | Tolerance class superior to ABEC 7/ISO P4 | Ensures ultra-high precision, minimal runout, and exceptional rotational accuracy for the most demanding applications. |
7016 ACDGA/P4A Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: The P4A tolerance class and Class A preload work in concert to deliver maximum system stiffness and minimal deflection under load, which is critical for maintaining accuracy in precision machinery.
- Superior Load Capacity: The 25° contact angle and optimized internal geometry provide excellent performance under combined loads, making it suitable for applications with significant radial and axial force components.
- High-Speed Capability: The lightweight phenolic resin cage reduces centrifugal forces, lowers friction, and contributes to a high limiting speed of 28,000 rpm. The open design facilitates efficient lubrication and cooling.
- Universal Matching: As a Universal Matchable (SU) bearing, it can be universally paired with other bearings of the same designation in any combination to form a pre-adjusted set (typically 3 bearings), simplifying installation and ensuring consistent, predictable performance.
7016 ACDGA/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Grinding Spindles: Internal and external grinding machines.
- High-Frequency Motors and Spindles: PCB drilling spindles and other high-RPM electric motors.
- Medical Equipment: High-speed dental handpieces and imaging device rotors.
- Aerospace & Defense Systems: Gyroscopes, radar systems, and other precision instrumentation.
