7011 CE/P4ADFA
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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7011 CE/P4ADFA Bearing Product Overview & Core Advantages
The 7011 CE/P4ADFA is a metric precision angular contact ball bearing designed for applications requiring exceptional accuracy and high-speed performance. This bearing features a duplex face-to-face (DF) arrangement with an extra light preload (Class A), making it ideal for machine tool spindles and other high-precision machinery. Its primary advantage lies in its ability to handle combined radial and axial loads simultaneously while maintaining superior rotational accuracy and rigidity. The bearing comes pre-lubricated and is manufactured to the stringent P4A tolerance class, ensuring reliable operation in demanding conditions.
7011 CE/P4ADFA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| CE | Contact angle of 15° |
| P4A | High precision tolerance class exceeding ABEC 7 |
| DF | Duplex Face-to-Face arrangement |
| A | Extra light preload classification |
7011 CE/P4ADFA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex face-to-face arrangement creates a rigid bearing system capable of withstanding combined loads from multiple directions. This configuration provides excellent stability under complex loading conditions.
Precision Performance: Manufactured to P4A tolerance standards with tight dimensional controls on bore diameter (55 mm), outside diameter (90 mm), and width (36 mm), ensuring minimal runout and vibration for high-precision applications.
High-Speed Capability: The phenolic cage material and optimized internal geometry enable operation at limiting speeds up to 39,000 rpm, making it suitable for high-speed spindle applications.
Superior Material Construction: Both rings and balls are made from chrome steel, providing excellent wear resistance and durability under demanding operating conditions.
7011 CE/P4ADFA Bearing Typical Application Areas
- Machine tool spindles and high-precision machining centers
- High-speed grinding applications requiring exceptional accuracy
- Precision instrumentation and measuring equipment
- Medical equipment spindles and rotary components
- Aerospace positioning systems demanding high rigidity and precision
- Robotic arm joints and precision automation equipment
