7012 CD/P4ADGA
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7012 CD/P4ADGA Bearing Product Overview & Core Advantages
The 7012 CD/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Operating under the stringent P4A tolerance class, this bearing is engineered to handle combined loads efficiently, accommodating both radial and significant axial loads in one direction. Its Universal Matchable (SU) design allows for simplified mounting in pairs to support bidirectional axial loads. The combination of a phenolic cage and optimized 15° contact angle contributes to its high-speed capabilities, making it an ideal solution for high-performance machinery where high rigidity and precision are paramount.
7012 CD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7012 | Standard bore diameter (60 mm) and series designation. |
| C | Specifies a 15° contact angle. |
| D | Indicates the bearing is part of a Universal Matchable (SU) pair. |
| P4A | Denotes a high-precision tolerance class with specific running accuracy requirements. |
| DG | Signifies a universal match combination for duplex pairs. |
| A | Indicates an Extra light preload. |
7012 CD/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: Manufactured to P4A tolerance class with tight dimensional controls on the bore diameter (60 mm), outside diameter (95 mm), and width (36 mm), ensuring stable and precise shaft positioning under load.
- Optimized Load Capacity: The 15° contact angle and robust construction using chrome steel rings and balls provide a high dynamic load rating of 14,918 lbf and a static load rating of 15,638 lbf, enabling reliable performance under combined loads.
- Superior High-Speed Performance: The lightweight phenolic cage and optimized internal geometry contribute to a high limiting speed of 34,000 rpm, reducing centrifugal forces and operational temperatures.
- Universal Matching Capability: The Universal Matchable (SU) design allows two bearings to be easily paired in a back-to-back (DB), face-to-face (DF), or tandem (DT) arrangement without selective mounting, simplifying installation and ensuring optimal preload and stiffness.
7012 CD/P4ADGA Bearing Typical Application Areas
- Machine Tool Spindles
- High-Speed Precision Drives
- Industrial Pumps and Compressors
- Robotic Arms and Precision Positioning Systems
- Aerospace Actuation Systems
