7202 CD/P4A
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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7202 CD/P4A Bearing Product Overview & Core Advantages
The 7202 CD/P4A is a single-row angular contact ball bearing designed for high-precision applications requiring exceptional rotational accuracy and rigidity. Engineered to accommodate combined loads (radial and axial loads in one direction), this bearing features a 15° contact angle and is supplied with a P4 (ABEC-7) tolerance class for superior running accuracy. Its phenolic resin cage and pre-lubrication contribute to its high-speed capability and reliable performance in demanding operational environments.
7202 CD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| C | Designates a 15° contact angle. |
| D | Indicates the bearing is part of a matched set (preload available) for enhanced rigidity. |
| P4 | Specifies a high-precision tolerance class (equivalent to ABEC-7). |
| A | Identifies the bearing's internal design and clearance for optimal preload configuration. |
7202 CD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The single-row angular contact design with a 15° contact angle provides high rigidity and is manufactured to P4 precision tolerances, ensuring minimal runout and superior positional accuracy.
- Optimized Load Capacity: Engineered to support significant combined radial and axial loads in one direction, making it ideal for applications with complex loading conditions.
- High-Speed Performance: The lightweight phenolic resin cage allows for stable operation and reduced centrifugal forces, supporting a high limiting speed of 70,000 rpm.
- Pre-Lubricated & Ready for Use: Factory-lubricated for immediate installation and initial operation, reducing maintenance requirements and ensuring consistent performance.
7202 CD/P4A Bearing Typical Application Areas
- Machine Tool Spindles
- High-Speed Grinding Spindles
- Precision Gearboxes
- Medical and Dental Equipment
- Robotic Arms and Actuators