7207 ACD/P4ATGC
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7207 ACD/P4ATGC Bearing Product Overview & Core Advantages
The 7207 ACD/P4ATGC is a precision angular contact ball bearing designed for demanding applications requiring high rigidity and exceptional running accuracy. Engineered to a P4A tolerance class, it is optimized to handle combined loads, accommodating significant radial loads and axial loads in one direction. Its 25° contact angle and universal matchable (SU) design allow for flexible mounting in preloaded sets, delivering superior operational stability and positioning accuracy in high-performance machinery.
7207 ACD/P4ATGC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7207 | Standard bore diameter (35 mm), outside diameter (72 mm), and width (51 mm) dimensions. |
| AC | Angular Contact design with a 25° contact angle. |
| D | Signifies a Moderate Preload (Class C) for enhanced rigidity. |
| /P4A | Indicates a high-precision tolerance class for exceptional dimensional and running accuracy. |
| TGC | Refers to the Phenolic (Textolite) cage material, offering high strength, low weight, and excellent performance at high speeds. |
7207 ACD/P4ATGC Bearing Structural Features & Performance Benefits
High Rigidity and Load Capacity: The bearing's single-row design, combined with a 25° contact angle and moderate preload, provides high axial and radial rigidity, enabling it to handle demanding combined loads effectively.
High-Speed Performance: The lightweight and robust phenolic cage (TGC) minimizes centrifugal forces and friction, contributing to the high limiting speed of 41,000 rpm. This makes it an excellent high-speed bearing solution.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control on the bore, outside diameter, and width, this bearing ensures minimal runout and vibration for superior precision in sensitive applications.
Universal Matchability (SU): This feature allows bearings to be mounted in any combination (back-to-back, face-to-face, or tandem) without performance degradation, offering design flexibility for creating preloaded sets to achieve optimal system stiffness.
7207 ACD/P4ATGC Bearing Typical Application Areas
The 7207 ACD/P4ATGC is ideally suited for high-precision and high-speed machinery, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Arm Joints and Precision Gearboxes
