7222 ACD/P4A
7200 & 7300 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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7222 ACD/P4A Bearing Product Overview & Core Advantages
The 7222 ACD/P4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. Engineered to simultaneously handle combined radial and axial loads, this bearing features a 25° contact angle optimized for high axial load capacity. Manufactured to P4 (ABEC-7) tolerance class, it delivers superior running accuracy and is preloaded for enhanced system stiffness and minimal deflection under operational stresses. Its phenolic resin cage contributes to smooth high-speed operation, making it an ideal solution for high-performance machinery where precision and reliability are paramount.
7222 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| ACD | 25° Contact Angle | Optimized for high axial load capacity and rigidity |
| P4A | P4 (ABEC-7) Tolerance Class, Preloaded | Guarantees high precision and reduced runout; preload enhances system stiffness |
7222 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The optimized 25° contact angle and preloaded design provide superior resistance to deflection, enabling the bearing to handle significant combined loads with high system stiffness.
- High-Speed Performance: The lightweight phenolic resin cage ensures excellent dimensional stability and low friction at high rotational speeds, contributing to a limiting speed of 10,000 rpm.
- Precision Engineering: Manufactured to P4 tolerance class with tight dimensional controls on bore, outside diameter, and width, ensuring consistent high-precision performance in the most demanding applications.
- Durable Construction: Components made from chrome steel provide high fatigue life and wear resistance, suitable for a wide operating temperature range from -30°C to 110°C.
7222 ACD/P4A Bearing Typical Application Areas
- Machine Tool Spindles
- High-Speed Precision Grinders
- Industrial Pumps and Compressors
- Robotic Arm Joints and Precision Gearboxes
- Medical and Laboratory Equipment
