7013 CE/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
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7013 CE/P4ADGA Bearing Product Overview & Core Advantages
The 7013 CE/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. This universal matchable bearing is part of a matched set of two, allowing for precise preload control when mounted in pairs. Its 15° contact angle and P4A tolerance class enable it to handle combined radial and axial loads simultaneously with superior running accuracy. The phenolic cage and optimized internal geometry contribute to stable, high-speed performance, making it ideal for high-precision, high-rigidity applications.
7013 CE/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Contact angle of 15° |
| P4A | High precision tolerance class with specific running accuracy requirements |
| DGA | Universal Matchable (SU) bearing, supplied in a matched set for duplex mounting |
7013 CE/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The P4A tolerance class ensures extremely tight dimensional and running accuracy, while the universal matchable design (SU) allows for various preload configurations (face-to-face, back-to-back) to achieve optimal system stiffness.
- Superior Load Capacity: The 15° contact angle is optimized to handle significant combined loads, providing excellent performance under complex loading conditions.
- High-Speed Capability: The lightweight phenolic resin cage reduces centrifugal forces, lowers friction, and enables a high limiting speed of 31,000 rpm, which is critical for spindle applications.
- Optimized Internal Geometry: With 25 precision balls and a carefully calculated ball diameter, the bearing offers smooth operation and reduced vibration levels.
7013 CE/P4ADGA Bearing Typical Application Areas
This high-precision bearing is engineered for demanding applications where accuracy and speed are paramount. Key industries and equipment include:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Aerospace Control Systems
- Medical and Laboratory Equipment
