7216 ACD/P4ADGB
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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7216 ACD/P4ADGB Bearing Product Overview & Core Advantages
The 7216 ACD/P4ADGB is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. Operating under a P4A tolerance class, this bearing is engineered to handle combined loads efficiently, accommodating both high radial loads and substantial axial loads in one direction. Its universal matchable (SU) design allows two bearings to be paired in a back-to-back or face-to-face arrangement, providing enhanced system stability. Pre-loaded with a light preload (Class B), it ensures minimal deflection and optimal performance in high-speed and high-precision environments right from installation.
7216 ACD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7216 | Basic bearing series and size designation (80mm bore, 140mm OD). |
| AC | Angular Contact design with a 25° contact angle. |
| D | Signifies a high rigidity internal design. |
| P4A | Indicates a high-precision tolerance class for superior running accuracy. |
| DB | Specifies a Universal Matchable (SU) bearing, designed to be paired in a back-to-back arrangement. |
7216 ACD/P4ADGB Bearing Structural Features & Performance Benefits
High Rigidity and Load Capacity: The angular contact design with a 25° contact angle and optimized internal geometry provides high resistance to deformation, enabling the bearing to support significant combined radial and axial loads. The phenolic cage ensures stable operation under high centrifugal forces.
Precision and Speed Performance: Manufactured to P4A tolerance standards with tight dimensional control on the bore diameter and outside diameter, this bearing guarantees smooth, quiet, and precise rotation. The phenolic cage and precision-ground chrome steel components contribute to a high limiting speed of 28,000 rpm.
Universal Matching Capability: The Universal Matchable (SU) feature allows for simplified mounting of two bearings in a pre-loaded set, which increases system stiffness and accuracy without the need for complex adjustments.
7216 ACD/P4ADGB Bearing Typical Application Areas
The 7216 ACD/P4ADGB is ideally suited for high-performance machinery where precision and reliability are paramount. Key application areas include:
- Machine Tool Spindles for milling, grinding, and turning centers
- High-Frequency Motors and precision spindles
- Industrial Pumps and compressors
- Precision Gearboxes and robotics
