7007 CD/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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Materials
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7007 CD/P4A Bearing Product Overview & Core Advantages
The 7007 CD/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to simultaneously withstand combined radial and axial loads, this single-row bearing features a 15° contact angle optimized for high-speed operation. Its P4 (ABEC-7) tolerance class ensures minimal runout and vibration, making it ideal for high-precision, high-reliability applications. The phenolic cage and preload availability contribute to its stable performance under demanding conditions.
7007 CD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7007 | Basic bearing designation (35mm bore, 62mm OD, 14mm width) |
| CD | Contact angle designation (15° contact angle) |
| P4A | Tolerance class designation (P4/ABEC-7 precision grade) |
7007 CD/P4A Bearing Structural Features & Performance Benefits
High Precision Construction: Manufactured to P4 tolerance standards, this bearing delivers exceptional dimensional accuracy and running precision, minimizing vibration in sensitive applications.
Optimized Load Capacity: The 15° contact angle provides excellent capability for handling combined loads, particularly axial loads in one direction, while maintaining high radial load capacity.
High-Speed Performance: The phenolic resin cage ensures smooth operation at the limiting speed of 36,000 rpm, offering reduced friction and excellent acceleration characteristics.
Thermal Stability: The phenolic cage material maintains dimensional stability across the operating temperature range of -30°C to 110°C, ensuring consistent performance.
Preload Capability: Available with preload for enhanced stiffness and rotational accuracy, making it suitable for applications requiring minimal deflection under load.
7007 CD/P4A Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- Precision Instrumentation - Measuring equipment and laboratory instruments
- High-Speed Motors - Spindle motors and high-frequency applications
- Medical Equipment - Dental handpieces and surgical tools
- Aerospace Components - Guidance systems and auxiliary power units
- Robotics - Precision joints and servo motor applications
