7014 ACD/P4AQBCC
7000 Series Super Precision Angular Contact Ball Bearings
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7014 ACD/P4AQBCC Bearing Product Overview & Core Advantages
The 7014 ACD/P4AQBCC is a high-precision quadruplex angular contact ball bearing designed for demanding applications requiring exceptional rigidity and load capacity. This matched set arrangement of four bearings in a back-to-back configuration (QBC) provides superior stability and can accommodate combined radial and axial loads simultaneously. Manufactured to P4A tolerance class, it offers extremely tight dimensional control for high-precision, high-reliability installations. The phenolic cage and pre-lubrication contribute to its high-speed capabilities and reliable operation.
7014 ACD/P4AQBCC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
| 7014 | Basic bearing series & size (70mm bore, 110mm OD) | Standard metric dimensions |
| ACD | Angular Contact, 25° contact angle | Optimized for combined loads |
| P4A | High Precision Tolerance Class | Superior running accuracy and dimensional stability |
| QBCC | Quadruplex Back-to-Back (QBC) arrangement, Moderate Preload (Class C) | Provides maximum rigidity and moment load capacity |
7014 ACD/P4AQBCC Bearing Structural Features & Performance Benefits
Exceptional Rigidity: The quadruplex back-to-back arrangement creates an extremely stiff bearing system that minimizes deflection under heavy loads, making it ideal for applications requiring high positional accuracy.
Superior Load Capacity: With a 25° contact angle and four-bearing configuration, this set delivers outstanding performance under combined radial and axial loads, featuring a dynamic load rating of 28,575 lbf and static load rating of 38,925 lbf.
High-Speed Performance: The phenolic cage material and optimized internal geometry enable reliable operation at limiting speeds up to 29,000 rpm, while the pre-lubrication ensures consistent performance.
Precision Engineering: Manufactured to P4A tolerance class with tight bore and outside diameter tolerances (-0.004mm to 0), this bearing set guarantees precise running accuracy and minimal vibration.
7014 ACD/P4AQBCC Bearing Typical Application Areas
This high-precision quadruplex bearing set is specifically designed for applications requiring maximum rigidity and accuracy:
- Machine Tool Spindles - High-speed machining centers and grinding spindles
- Precision Gearboxes - Industrial transmission systems requiring high rigidity
- Robotic Systems - High-accuracy robotic arms and positioning systems
- Aerospace Components - Flight control systems and auxiliary power units
- Medical Equipment - High-speed dental handpieces and surgical tools
