7216 CDGB/P4A
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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7216 CDGB/P4A Bearing Product Overview & Core Advantages
The 7216 CDGB/P4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. As a universal matchable bearing with a P4A tolerance class, it is engineered to operate at high speeds while supporting significant combined loads. Its light preload (Class B) ensures minimal deflection and smooth operation, making it ideal for high-precision spindles and other critical machinery where reliability is paramount.
7216 CDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7216 | Basic bearing designation: 80 mm bore, 140 mm OD, 26 mm width. |
| CD | Contact angle of 15°, optimized for high-speed operation and axial load capacity. |
| GB | Indicates a universal matchable bearing designed for precise pairing in sets. |
| P4A | A super-precision tolerance class with enhanced running accuracy and dimensional stability. |
7216 CDGB/P4A Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The optimized 15° contact angle and phenolic cage enable the bearing to handle substantial combined radial and axial loads with high rigidity, minimizing operational deflection.
High-Speed Performance: The lightweight phenolic cage and precision-ground chrome steel components contribute to a high limiting speed of 28,000 rpm, ensuring stable performance in demanding high-speed applications.
Precision & Durability: Manufactured to P4A tolerance standards with a light preload, this bearing offers exceptional running accuracy, reduced vibration, and extended service life in precision machinery.
7216 CDGB/P4A Bearing Typical Application Areas
The 7216 CDGB/P4A is ideally suited for high-performance applications requiring superior precision and speed, including:
- Machine Tool Spindles
- High-Speed Machining Centers
- Precision Grinding Spindles
- Industrial Pumps & Compressors
- Robotic Drives & Precision Instrumentation
