7007 CD/P4ADFC
7000 Series Super Precision Angular Contact Ball Bearings
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7007 CD/P4ADFC Bearing Product Overview & Core Advantages
The 7007 CD/P4ADFC is a precision duplex pair of Angular Contact Ball Bearings in a Face-to-Face (DF) arrangement, preloaded for immediate use. Engineered to the exacting P4A tolerance class, this matched set delivers exceptional running accuracy, high system rigidity, and reliable performance under combined radial and axial loads. Its pre-assembled and pre-lubricated configuration ensures simplified installation and optimal performance from the outset, making it an ideal solution for high-precision, high-speed applications demanding superior rotational stability.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7007 | Basic bearing series and size designation (35mm bore, 62mm OD). |
| C | 15° contact angle, optimized for handling significant axial loads. |
| D | Indicates a duplex pair of two bearings supplied as a set. |
| P4A | The high-precision tolerance class, exceeding ABEC 7 standards, for minimal runout and vibration. |
| DF | Face-to-Face arrangement. This configuration provides high rigidity and is tolerant to misalignment. |
| C | Specifies a moderate preload (Class C), balancing rigidity, speed, and temperature performance. |
7007 CD/P4ADFC Bearing Structural Features & Performance Benefits
Duplex DF Arrangement & High Rigidity: The two bearings are mounted face-to-face, creating a structurally robust unit that significantly increases system rigidity and moment load capacity compared to a single bearing. This arrangement is less sensitive to shaft misalignment.
Superior Load Capacity: With a 15° contact angle and a dynamic load rating of 5738 lbf, this bearing set is engineered to handle substantial combined loads (simultaneous radial and axial forces) efficiently.
Precision & High-Speed Performance: Manufactured to P4A tolerances and featuring a lightweight, high-strength phenolic cage, the bearing achieves smooth operation, low vibration, and a high limiting speed of 56,000 rpm.
Optimized for Performance: The set is supplied pre-lubricated and with a moderate preload (C) applied, ensuring immediate, hassle-free installation and consistent, high-performance operation without the need for initial adjustment.
7007 CD/P4ADFC Bearing Typical Application Areas
The 7007 CD/P4ADFC is designed for high-performance machinery where precision, speed, and rigidity are paramount. Key applications include:
- Machine Tool Spindles for milling, grinding, and turning centers
- High-Frequency Spindles in PCB drilling and precision engraving
- Robotic Arm Joints and Precision Gearboxes
- High-Speed Pumps and Compressors
- Medical and Dental Equipment Drives
