7200 CD/P4ADGA
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7200 CD/P4ADGA Bearing Product Overview & Core Advantages
The 7200 CD/P4ADGA is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. As a universal matchable (SU) bearing supplied in a pre-set duplex pair, it is engineered to accommodate combined loads—simultaneously handling radial and axial forces. Its P4A tolerance class and extra light preload (Class A) ensure smooth, precise operation, making it ideal for high-speed spindles and other high-precision machinery where minimal runout and high rotational accuracy are critical.
Model Code Breakdown
| Suffix | Technical Meaning |
|---|---|
| C | 15° contact angle |
| D | Duplex bearing pair (two bearings) |
| P4A | High precision tolerance class (superior to ABEC 7) |
| DG | Universal matchable arrangement (can be mounted in face-to-face or back-to-back configurations) |
| A | Extra light preload |
7200 CD/P4ADGA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex pair configuration creates a rigid bearing system capable of withstanding significant combined radial and axial loads from both directions. The 15° contact angle is optimized for axial load carrying capacity while maintaining good radial performance.
Precision Performance: Manufactured to P4A tolerance class, this bearing delivers extremely tight dimensional control for applications requiring minimal vibration and high running accuracy. The extra light preload eliminates internal clearance, reducing deflection under load for improved positioning precision.
High-Speed Capability: The phenolic cage provides excellent strength-to-weight ratio, contributing to the bearing's ability to operate at limiting speeds up to 185,000 rpm. This makes it suitable for demanding high-speed applications.
Universal Matching Design: As universal matchable (SU) bearings, they can be arranged in either back-to-back or face-to-face mounting without selective assembly, simplifying installation and maintenance.
7200 CD/P4ADGA Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- High-Speed Motors - Spindle motors and high-frequency applications
- Precision Instrumentation - Measuring equipment and optical devices
- Aerospace Components - Guidance systems and auxiliary power units
- Medical Equipment - Dental handpieces and laboratory instrumentation
