7016 CEGA/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7016 CEGA/P4A Bearing Product Overview & Core Advantages
The 7016 CEGA/P4A is a single row angular contact ball bearing engineered for ultra-high precision applications. Positioned in the P4A tolerance class, it delivers exceptional running accuracy and rotational stability. Its core advantage lies in its ability to accommodate high-speed operation while sustaining significant combined loads (radial and axial). The extra light preload (Class A) minimizes deflection under light loads, ensuring smooth, precise rotation. Manufactured from high-grade chrome steel and featuring a phenolic cage, this bearing is designed for demanding environments requiring maximum reliability and long service life.
7016 CEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7016 | Basic bearing designation, indicating a metric series bearing with an 80 mm bore and 125 mm outside diameter. |
| CE | Indicates a 15° contact angle and that the bearing is Universal Matchable (SU), allowing for precise axial play adjustment when mounted with other bearings. |
| GA | Specifies the preload level. In this case, Extra Light (Class A) preload for minimal friction and high-speed capability. |
| P4A | Denotes the tolerance class, signifying very high precision with tight dimensional and running accuracy tolerances. |
7016 CEGA/P4A Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: The P4A tolerance class ensures minimal runout and vibration, providing superior positional accuracy. The optimized internal geometry and 15° contact angle deliver high rigidity for stable operation under combined loads.
- Superior High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, enabling a high limiting speed of 28,000 rpm. This makes it an ideal high-speed bearing for spindle applications.
- Optimized Load Capacity: With a dynamic load rating of 7605 lbf and a static load rating of 6300 lbf, this bearing is built to handle significant radial and axial forces simultaneously.
- Universal Matching Capability (SU): This feature allows for the creation of precisely preloaded bearing sets by mounting two or more bearings together, simplifying assembly and enhancing system rigidity.
7016 CEGA/P4A Bearing Typical Application Areas
The 7016 CEGA/P4A is specified for high-performance machinery where precision and speed are critical. Key applications include:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Grinding Spindles
- High-Frequency Motors
- Industrial Pumps and Compressors
- Aerospace & Defense Instrumentation
