7012 CE/P4ATGA
7000 Series Super Precision Angular Contact Ball Bearings
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7012 CE/P4ATGA Bearing Product Overview & Core Advantages
The 7012 CE/P4ATGA is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. Manufactured to P4A tolerance class, this bearing delivers superior running accuracy and dimensional stability. Its 15° contact angle and Universal Matchable (SU) design make it ideal for handling combined loads, efficiently supporting both radial and axial forces. The phenolic cage and optimized internal geometry contribute to its high-speed capabilities, making it a reliable choice for high-precision, high-rigidity applications.
7012 CE/P4ATGA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CE | Contact angle of 15° |
| P4A | High precision tolerance class for superior running accuracy |
| TGA | Indicates special technical features including phenolic cage material |
7012 CE/P4ATGA Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The P4A tolerance class ensures minimal runout and vibration, providing stable operation in precision machinery. The phenolic cage offers excellent dimensional stability and reduced friction.
- Superior Load Capacity: The 15° contact angle enables efficient handling of combined radial and axial loads. With a dynamic load rating of 8348 lbf and static load rating of 8775 lbf, it delivers reliable performance under demanding conditions.
- High-Speed Performance: The phenolic cage and optimized internal design contribute to a high limiting speed of 34,000 rpm, making it suitable for high-speed spindles and rotating assemblies.
- Universal Matching Capability: The Universal Matchable (SU) design allows for flexible mounting arrangements in sets (typically 3 bearings) to achieve desired preload and stiffness characteristics.
7012 CE/P4ATGA Bearing Typical Application Areas
This precision angular contact bearing is widely used in:
- Machine Tool Spindles
- High-Speed Machining Centers
- Precision Grinding Spindles
- Industrial Pumps & Compressors
- Robotic Arm Joints & Precision Positioning Systems
