7210 ACD/P4ADGA
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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7210 ACD/P4ADGA Bearing Product Overview & Core Advantages
The 7210 ACD/P4ADGA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. Engineered with a 25° contact angle and P4A tolerance class, this bearing excels at handling combined radial and axial loads simultaneously. Its universal matchable (SU) design allows for flexible mounting in preloaded arrangements, delivering superior rotational accuracy and system rigidity. The phenolic cage and optimized internal geometry contribute to its high-speed capability, making it an ideal solution for precision spindles and other high-performance machinery.
7210 ACD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7210 | Basic bearing designation (50mm bore, 90mm OD, 40mm width) |
| ACD | Angular Contact Design with 25° contact angle |
| P4A | High precision tolerance class with enhanced running accuracy |
| DGA | Universal matchable bearing set (two bearings) |
7210 ACD/P4ADGA Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The angular contact design with 25° contact angle provides optimal load distribution, enabling the bearing to handle significant combined radial and axial loads. The universal matching capability allows for precise preload adjustment, enhancing system stiffness and positioning accuracy.
Precision Performance: Manufactured to P4A tolerance class, this bearing ensures minimal runout and vibration, critical for high-speed applications. The phenolic cage offers excellent strength-to-weight ratio and smooth operation at high rotational speeds up to 46,000 rpm.
Optimized Material Selection: Constructed from chrome steel for both rings and balls, the bearing delivers superior fatigue resistance and long service life. The open design with factory lubrication provides reliable operation within a temperature range of -30°C to 110°C.
7210 ACD/P4ADGA Bearing Typical Application Areas
- Machine tool spindles and high-precision machining centers
- High-speed motor spindles and precision grinding applications
- Industrial pumps and compressor systems
- Precision instruments and measuring equipment
- Aerospace components and robotics applications
- Medical equipment requiring high rotational accuracy
