7014 FE/P4ADT
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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Materials
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7014 FE/P4ADT Bearing Product Overview & Core Advantages
The 7014 FE/P4ADT is a precision angular contact ball bearing supplied as a duplex tandem (DT) matched set. Engineered to the exacting P4A tolerance class, this bearing is designed for applications demanding exceptional rotational accuracy and rigidity. Its primary advantage lies in its ability to handle high axial loads in one direction while maintaining superior performance at high speeds. The matched tandem arrangement significantly increases axial load capacity and system stiffness, making it an ideal solution for high-precision, high-rigidity spindles and other critical machinery components.
7014 FE/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
- 7014: Basic designation indicating a 70mm bore and 110mm outside diameter.
- FE: Signifies a high-capacity phenolic resin cage, offering excellent strength and performance at high speeds.
- P4A: Denotes an ultra-precision tolerance class with stricter runout and dimensional tolerances than ABEC 7.
- DT: Indicates a Duplex Tandem preloaded pair. This arrangement stacks two bearings to maximize axial load capacity and rigidity in one direction.
7014 FE/P4ADT Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex tandem (DT) matched pair configuration provides exceptional system stiffness and is specifically designed to withstand very high axial loads in one direction. The 18° contact angle is optimized for this load type.
High-Speed Performance: The lightweight and robust phenolic cage (FE) ensures stable operation and low friction, contributing to the high limiting speed of 28,000 rpm. The bearings are pre-lubricated for immediate operation.
Precision Engineering: Manufactured to P4A tolerance class, this bearing guarantees minimal runout and precise dimensional accuracy, which is critical for applications requiring high rotational precision.
Material Quality: Constructed from chrome steel for both rings and balls, ensuring high durability, wear resistance, and a long operational lifespan.
7014 FE/P4ADT Bearing Typical Application Areas
The 7014 FE/P4ADT is ideally suited for high-performance applications where precision, speed, and unidirectional axial load capacity are paramount. Key industries and equipment include:
- Machine Tool Spindles (e.g., high-speed milling, grinding)
- Precision Spindles for PCB drilling and routing
- High-speed Pumps and Compressors
- Robotic Drives and precision gearboxes
