7014 CE/P4ADFB
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/P4ADFB Bearing Product Overview & Core Advantages
The 7014 CE/P4ADFB is a precision angular contact ball bearing supplied as a matched duplex pair in a Face-to-Face (DF) arrangement. Engineered to the exacting P4A tolerance class, this bearing is designed for applications demanding exceptional running accuracy and high system rigidity. Its core advantages include the ability to support combined loads (radial and axial) simultaneously and excellent operational stability at high speeds, making it a superior choice for high-precision spindles and machinery.
7014 CE/P4ADFB Bearing Model Code Explained, Specifications & Naming Convention
The model number 7014 CE/P4ADFB provides detailed technical specifications through its suffixes:
- 7014: Basic bearing series, indicating a 70mm bore, 110mm OD, and 40mm width.
- C: Denotes a 15° contact angle, optimized for high-speed performance and moderate axial load capacity.
- E: Indicates an optimized internal design, often referring to reinforced structure and higher load capacity.
- P4A: Specifies a super-precision tolerance class with enhanced dimensional and running accuracy requirements.
- DF: Designates the bearing set as a Duplex Face-to-Face arrangement. This configuration increases system rigidity and is particularly effective in supporting combined moment loads.
- B: Signifies a Light preload (Class B) applied to the matched set, which minimizes axial and radial play for precise shaft positioning and reduced vibration.
7014 CE/P4ADFB Bearing Structural Features & Performance Benefits
The performance of the 7014 CE/P4ADFB is a direct result of its sophisticated design and material selection.
- High Rigidity & Load Capacity: The duplex Face-to-Face (DF) arrangement of two bearings creates a highly rigid support system that effectively resists moment loads and complex combined loads. The 15° contact angle provides a balanced capacity for both radial and bidirectional axial loads.
- Precision & High-Speed Performance: Manufactured to P4A super-precision standards, this bearing ensures minimal runout and smooth operation. The phenolic resin cage is lightweight and robust, contributing to lower centrifugal forces and stable operation at the high limiting speed of 22,000 rpm. The standard lubrication reduces friction and heat generation.
- Superior Materials: Both rings and balls are made from high-grade chrome steel, ensuring high durability, wear resistance, and long service life under demanding conditions.
7014 CE/P4ADFB Bearing Typical Application Areas
The 7014 CE/P4ADFB is ideally suited for high-precision machinery and systems requiring superior accuracy and rigidity.
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Drives: Servo motors, high-frequency spindles, and robotics.
- Aerospace & Defense Systems: Gyroscopes, radar platforms, and navigation instruments.
- Medical Equipment: High-speed dental handpieces and imaging device rotors.
