7014 ACDGA/VQ126
7000 Series Super Precision Angular Contact Ball Bearings
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7014 ACDGA/VQ126 Bearing Product Overview & Core Advantages
The 7014 ACDGA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. Manufactured to P4A tolerance class, this bearing delivers superior running precision. Its 25° contact angle and Universal Matchable (SU) designation make it ideally suited for preloaded duplex arrangements, enabling it to handle combined radial and axial loads simultaneously with high stability. The phenolic cage and optimized internal geometry contribute to its high-speed capability, making it a top choice for high-speed, high-rigidity spindle systems.
7014 ACDGA/VQ126 Bearing Model Code Explained, Specifications & Naming Convention
The model number 7014 ACDGA breaks down into the following technical specifications:
- 7014: Standard bore diameter (70 mm) and series designation.
- AC: Angular Contact design, optimized for combined loads.
- D: Signifies a duplex or matchable bearing, part of a set.
- GA: Indicates a specific preload level - in this case, Extra Light (Class A).
This bearing is supplied as a Single unit but is part of a matched set of 3 bearings for universal mounting (SU).
7014 ACDGA/VQ126 Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design and capability for preloaded mounting provide excellent stiffness, enabling the bearing to support significant combined loads with minimal deflection.
- High-Speed Performance: The lightweight phenolic resin cage ensures stable operation and low centrifugal forces, contributing to a high limiting speed of 29,000 rpm. The 25° contact angle offers a balanced performance for both high-speed and load-carrying requirements.
- Precision & Accuracy: Manufactured to P4A tolerance class with tight dimensional tolerances on the bore, outside diameter, and width, ensuring precise shaft positioning and smooth, quiet operation.
- Universal Matching: As a Universal Matchable (SU) bearing supplied in a set of three, it allows for flexible arrangement configurations (back-to-back, face-to-face, or tandem) to optimize performance for specific application needs.
7014 ACDGA/VQ126 Bearing Typical Application Areas
The 7014 ACDGA is engineered for high-performance machinery where precision and speed are critical. Its primary applications include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling machines, high-frequency motor spindles.
- Industrial Pumps & Compressors
- Robotic Arm Joints and Precision Gearboxes
