7007 CE/HCP4ADGA
Hybrid Ceramic Super Precision Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7007 CE/HCP4ADGA Bearing Product Overview & Core Advantages
The 7007 CE/HCP4ADGA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This metric bearing features a universal matchable (SU) design, allowing two bearings to be paired in a back-to-back (DB) or face-to-face (DF) arrangement for optimal rigidity. Its core advantages include the ability to handle combined radial and axial loads simultaneously, superior running accuracy from its P4A tolerance class, and high-speed capability enabled by its phenolic cage and ceramic balls. The open seal design facilitates custom lubrication schemes for specialized operational environments.
7007 CE/HCP4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
| 7007 | Basic bearing series with 35mm bore, 62mm OD, 28mm width |
| CE | Contact angle of 15° for optimized axial load capacity |
| HC | Hybrid ceramic construction with steel rings and ceramic balls |
| P4A | High-precision tolerance class with enhanced dimensional accuracy |
| DGA | Universal matchable (SU) designation for paired mounting configurations |
7007 CE/HCP4ADGA Bearing Structural Features & Performance Benefits
Hybrid Ceramic Construction: The combination of chrome steel rings and silicon nitride ceramic balls provides superior performance in high-speed applications, reducing friction and heat generation while offering electrical insulation properties.
High Rigidity & Load Capacity: The 15° contact angle and precision geometry enable excellent performance under combined loads, with a dynamic load rating of 4185 lbf and static load rating of 2970 lbf.
Superior High-Speed Performance: The phenolic resin cage and ceramic balls work in synergy to achieve a limiting speed of 56,000 rpm, making this bearing ideal for high-rotation applications.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control (bore/OD tolerance: -0.004mm to 0), ensuring exceptional running accuracy and minimal vibration.
Universal Matching Capability: The SU designation allows precise pairing of two bearings for applications requiring preload and enhanced system stiffness.
7007 CE/HCP4ADGA Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring extreme accuracy
- High-Speed Motors: Electric motors and spindles operating at elevated rotational speeds
- Aerospace Systems: Aviation instrumentation and control systems demanding reliability
- Medical Equipment: Dental handpieces and surgical tools requiring precision and speed
- Semiconductor Manufacturing: Wafer processing equipment and precision positioning systems
- Robotics: High-accuracy robotic joints and servo mechanisms
