7007 CE/P4ADBA
7000 Series Super Precision Angular Contact Ball Bearings
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Main Dimensions
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7007 CE/P4ADBA Bearing Product Overview & Core Advantages
The 7007 CE/P4ADBA is a precision duplex angular contact ball bearing designed for applications requiring exceptional rotational accuracy and rigidity. This back-to-back (DB) matched pair configuration delivers superior performance in handling combined loads, including significant radial and bidirectional axial forces. Manufactured to P4A tolerance class with an extra light preload (Class A), it ensures minimal runout and stable operation in high-precision machinery. The open design and phenolic cage contribute to its suitability for high-speed applications up to 56,000 rpm.
7007 CE/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 7007 | Basic bearing series and size designation | 35mm bore, 62mm OD, 28mm width |
| C | 15° contact angle design | Optimized for axial load capacity |
| E | Reinforced design | Increased load rating through optimized internal geometry |
| P4A | High precision tolerance class | Superior dimensional and running accuracy |
| DB | Duplex Back-to-Back arrangement | Provides rigid support for moment loads |
| A | Extra light preload | Minimizes deflection while maintaining smooth operation |
7007 CE/P4ADBA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex back-to-back configuration creates a rigid bearing system capable of withstanding combined radial and axial loads in both directions. With a 15° contact angle and reinforced "E" design, it achieves a dynamic load rating of 4185 lbf and static load rating of 2970 lbf.
Precision Engineering: Manufactured to P4A tolerance class with tight bore and OD tolerances (±0.004mm), this bearing ensures exceptional running accuracy and minimal vibration for high-precision applications.
High-Speed Capability: The phenolic resin cage and optimized internal geometry enable stable operation at limiting speeds of 56,000 rpm, making it ideal for high-speed spindles and rotating systems.
Thermal Stability: The phenolic cage material provides excellent dimensional stability across the operating temperature range of -30°C to 110°C, maintaining precision under thermal variations.
7007 CE/P4ADBA Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding spindles requiring minimal runout
- Precision Instrumentation: Measuring equipment and optical devices demanding exceptional rotational accuracy
- High-Speed Motors: Spindle motors and high-RPM drive systems
- Robotic Systems: Precision joints and rotary axes in industrial robots
- Aerospace Components: Guidance systems and auxiliary power units requiring reliable performance
