7214 ACD/P4ADGB
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Basic Information
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7214 ACD/P4ADGB Bearing Product Overview & Core Advantages
The 7214 ACD/P4ADGB is a high-precision double row angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. Engineered to simultaneously handle combined radial and axial loads from both directions, this bearing features a universal matchable (SU) design and a P4A tolerance class for superior running accuracy. Its compact double-row construction provides high rigidity and stable rotational characteristics, making it an ideal solution for high-speed spindles and precision machinery where minimal runout and maximum performance are critical.
7214 ACD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Significance |
|---|---|---|
| ACD | 25° Contact Angle, Double Row Design | Optimized for handling combined loads with high axial load capacity |
| P4A | High Precision Tolerance Class | Superior dimensional and running accuracy for precision applications |
| DGB | Universal Matchable (SU) Arrangement | Bearings can be mounted in any combination to achieve required preload |
7214 ACD/P4ADGB Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row angular contact design with 25° contact angle provides exceptional stiffness and enables the bearing to withstand significant combined radial and axial loads in both directions. With a radial dynamic load rating of 24,300 lbf and static load rating of 24,750 lbf, this bearing offers reliable performance under demanding operating conditions.
High-Speed Performance: The phenolic cage material ensures optimal performance at high rotational speeds, contributing to the bearing's limiting speed of 28,000 rpm. The precision-ground chrome steel components and optimized internal geometry minimize friction and heat generation.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional controls (bore and OD tolerance: -0.004mm to 0), this bearing guarantees exceptional running accuracy and minimal vibration for high-precision applications.
Universal Matching Capability: The SU (Universal Matchable) designation allows bearings to be mounted in pairs without selective matching, simplifying installation and maintenance while ensuring consistent preload characteristics.
7214 ACD/P4ADGB Bearing Typical Application Areas
- Machine Tool Spindles - High-speed machining centers and precision lathes
- Precision Grinding Spindles - Surface and cylindrical grinding applications
- High-Speed Motors - Industrial motors requiring precise rotational accuracy
- Medical Equipment - CT scanners and MRI systems
- Aerospace Components - Guidance systems and precision instrumentation
- Robotics - High-accuracy robotic arms and positioning systems
