7014 CE/P4ADBA
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7014 CE/P4ADBA Bearing Product Overview & Core Advantages
The 7014 CE/P4ADBA is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This duplex back-to-back (DB) matched set is preloaded to Extra light / Class A specifications, ensuring minimal axial and radial run-out for superior performance. Its primary advantage lies in its ability to handle combined loads effectively, providing high system stiffness and stability. Manufactured to the exacting P4A tolerance class, this bearing is ideal for high-precision, high-reliability machinery.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing series and size designation (70mm bore, 110mm OD, 40mm width). |
| C | Specifies a 15° contact angle, optimized for handling high axial loads. |
| E | Indicates a high-capacity internal design with optimized ball size and quantity. |
| P4A | Denotes a high-precision tolerance class with strict limits on bore, OD, and width runout. |
| DB | Signifies a Duplex Back-to-Back matched arrangement, providing high moment rigidity. |
| A | Specifies the preload level as Extra Light (Class A). |
7014 CE/P4ADBA Bearing Structural Features & Performance Benefits
High Rigidity and Stability: The duplex back-to-back (DB) arrangement creates a wide, rigid support system that effectively resists moment loads and shaft misalignment, ensuring precise shaft positioning.
Optimized Load Capacity: The 15° contact angle and high-capacity "E" design with 25 balls enable the bearing to support significant combined radial and axial loads simultaneously.
Precision Performance: Manufactured to P4A tolerance class with tight dimensional control, this bearing guarantees minimal runout and vibration, which is critical for high-speed applications up to 22,000 rpm.
Lightweight & Durable Cage: The phenolic cage offers excellent strength-to-weight ratio, reducing centrifugal forces and allowing for smoother operation at high speeds, while being compatible with a wide temperature range from -30°C to 110°C.
7014 CE/P4ADBA Bearing Typical Application Areas
The 7014 CE/P4ADBA is engineered for high-performance machinery where precision and rigidity are paramount. Key applications include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring exceptional accuracy.
- Precision Gearboxes: Providing rigid support for shafts under heavy combined loads.
- High-Speed Motors and Spindles: Where low vibration and high rotational accuracy are critical.
- Medical and Laboratory Equipment: Such as centrifuges and precision scanners.
- Robotic Arm Joints and Rotary Tables: Demanding high moment stiffness and positional accuracy.
